{"title":"Scooter Pistons \u0026 Piston Rings","description":"\u003cp\u003ePiston assemblies, rings, wrist pins, and clips for both 2-stroke and 4-stroke scooter engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFind parts by make:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/honda-ruckus-parts\"\u003eHonda Ruckus Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/vespa-parts\"\u003eVespa Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/yamaha-zuma-parts\"\u003eYamaha Zuma Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/niu-scooter-parts\"\u003eNIU Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/electric-scooter-parts\"\u003eElectric Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/chinese-scooter-parts\"\u003eChinese Scooter Parts\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eSee the full range in \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"47mm-gy6-50cc-139qmb-piston-kit","title":"47mm GY6 50cc (139QMB) Piston Kit","description":"\u003ch2\u003e47mm Piston Assembly for GY6 50cc Engines\u003c\/h2\u003e\u003cp\u003eThis 47mm piston assembly is built for 50cc QMB139 4-stroke engines. Everything needed for a full replacement is included: the piston, rings, wrist pin, and circlips. It belongs to the group of \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e that owners commonly replace during engine servicing or when upgrading performance. Installed correctly, it helps the engine run properly and last.\u003c\/p\u003e\u003ch3\u003ePart Dimensions\u003c\/h3\u003e\u003cp\u003eThe piston has a 47mm outer diameter and an overall height of 34.4mm. The compression height is 17.25mm, the wrist pin diameter is 13mm, and the wrist pin length is 36.8mm. Matching these measurements is key to a correct fit and good engine performance.\u003c\/p\u003e\u003ch3\u003eFitting Notes\u003c\/h3\u003e\u003cp\u003eSwapping the piston in a GY6 50cc engine is manageable for anyone comfortable with scooter repair. Check that every component is compatible and have the right tools ready before starting. Signs that a new piston may be due include lower compression and unfamiliar noises from the engine.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 47mm outer diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Height:\u003c\/strong\u003e 34.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 17.25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Length:\u003c\/strong\u003e 36.8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Piston, Pin, Rings, Circlips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 50cc QMB139 4-stroke engines with a 47mm cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGY6 50cc QMB139 4-stroke engines (47mm cylinder and head kit)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Select a piston that matches a 47mm bore, 13mm wrist pin, and 17.25mm compression height. The cylinder needs to be the 47mm 50cc QMB139 type.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse related:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc Scooter Parts (139QMB)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134195957817,"sku":"TT-14771","price":20.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/47mm-gy6-50cc-139qmb-piston-kit-1.jpg?v=1794340096"},{"product_id":"morini-41mm-piston-kit-for-scooters-mopeds","title":"Morini 41mm Piston Kit for Scooters \u0026 Mopeds","description":"\u003ch2\u003e41mm Piston Kit for Morini Engines in Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis 41mm piston kit suits the Morini AD50 engine found in a range of scooters, including models from Hyosung, Suzuki, and TGB. The package contains the piston, piston pin, rings, and circlips, so you have everything needed for an engine repair in one set. It is one of the \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e that can be fitted at home, helping your engine run smoothly. Built with performance in mind, it works with many popular scooter models.\u003c\/p\u003e\u003ch3\u003eComponent Overview\u003c\/h3\u003e\u003cp\u003eThe piston measures 41mm across the outside, has an overall height of 45mm, and a compression height of 19mm. The wrist pin is 10mm in diameter and 32.4mm long. These dimensions matter for a correct fit inside the engine and for the scooter to run as intended.\u003c\/p\u003e\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\u003cp\u003eSwapping in a new piston kit is a simple job that can bring back lost engine power and efficiency. Inspect the piston and rings from time to time, particularly if the scooter feels weaker or uses fuel less efficiently than before. Replacement is advisable once the engine shows wear, or when you are carrying out a full engine rebuild.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 41mm Piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Engine Cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Morini AD50 engines (41mm bore, 2-stroke 50cc) as used on Hyosung, Suzuki and TGB street scooters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMorini AD50 engine (41mm bore, 2-stroke, 50cc)\u003c\/li\u003e\n\u003cli\u003eHyosung scooters with Morini AD50 engine\u003c\/li\u003e\n\u003cli\u003eSuzuki scooters with Morini AD50 engine (Address 50, AP50, AZ50, Hi-Up, Lets II, Mollet 50, SJ50-QT, Sepia 50, Sepia ZZ, Street Magic, TR50, Verde, ZZ)\u003c\/li\u003e\n\u003cli\u003eTGB street scooters with Morini AD50 engine (Peirspeed Bolero, Delivery, Key Largo, Key West, Laser R5, Laser R9, Outback, R50X, RM50, Sunset)\u003c\/li\u003e\n\u003cli\u003eAprilia, Italjet, KTM, Malaguti, Benelli, Derbi scooters with Morini engine (Benelli 491 ST, Derbi Vamos, Italjet Formula 50, Italjet Torpedo 50, Italjet Velocifero 50, Malaguti Crosser CR1)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Make sure the bore matches your cylinder, meaning the piston outside diameter must be 41mm. The piston pin is 10mm in diameter and 32.4mm long, and the compression height is 19mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134352523321,"sku":"TT-14850","price":20.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/morini-41mm-piston-kit-1.jpg?v=1794342712"},{"product_id":"forged-4-piston-brake-caliper-black-left-universal-fit","title":"Forged 4 Piston Brake Caliper Black Left (Universal Fit)","description":"\u003ch2\u003eLeft-Side Forged 4-Piston Brake Caliper for Honda Ruckus\u003c\/h2\u003e\u003cp\u003eThis forged aluminum brake caliper on the left side is built for the Honda Ruckus and suits the scooter's braking setup. It works with standard disc conversion kits, so it can fit a range of configurations. You can find it alongside other \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons and piston rings\u003c\/a\u003e in our range. It's a good pick for riders who want to step up their scooter's stopping performance.\u003c\/p\u003e\u003ch3\u003eRole of This Component\u003c\/h3\u003e\u003cp\u003eThe brake caliper has a major influence on how well your scooter stops. When parts wear down, braking power can drop off, so swapping in a new one helps keep the brakes working as they should.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Left side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Universal left-side 4-piston caliper; also Honda Ruckus front end kit and NCY disc conversion kits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHonda Ruckus (front end kit replacement, NCY disc conversion kits)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-brakes\"\u003eScooter Brake Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Black","offer_id":51134367924281,"sku":"TT-14987","price":285.98,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":51134367957049,"sku":"TT-14988","price":264.98,"currency_code":"USD","in_stock":false},{"title":"Grey","offer_id":51134367989817,"sku":"TT-14989","price":264.98,"currency_code":"USD","in_stock":false},{"title":"Blue","offer_id":51134368022585,"sku":"TT-14990","price":264.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/forged-4-piston-brake-caliper-black-left-universal-fit-1.jpg?v=1794342791"},{"product_id":"performance-gy6-81cc-50mm-piston-kit","title":"Performance GY6 81cc 50mm Piston Kit","description":"\u003ch2\u003ePerformance Piston Kit for GY6 Engines\u003c\/h2\u003e\u003cp\u003eThis 81cc GY6 performance piston kit, measuring 50mm, is built for scooters running GY6 engines. The package contains a piston along with rings that form a snug seal inside the combustion chamber, which helps the engine run as intended. Among the \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 scooter parts\u003c\/a\u003e available, this kit plays an important role in keeping compression steady and limiting oil use. If components are worn, swapping them out can prevent problems such as heavy smoke and sluggish performance.\u003c\/p\u003e\u003ch3\u003eWhen to Replace It\u003c\/h3\u003e\u003cp\u003eThink about changing the piston kit if you see signs of wear, like oil being used up faster than normal or smoke coming from the engine. Worn piston rings may cause low compression, which can affect how well the engine performs overall.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 50mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Piston Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 81cc engines with a 50mm bore\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGY6 81cc engines (50mm bore)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e The bore must match your cylinder, and this kit is 50mm. Measure the cylinder bore before placing your order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/chinese-scooter-parts\"\u003eChinese Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134422155321,"sku":"TT-15431","price":9.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/rdln-performance-gy6-81cc-50mm-piston-kit-1.webp?v=1794343687"},{"product_id":"performance-gy6-50cc-139qmb-72cc-47mm-piston-kit-with-rings","title":"Performance GY6 50cc (139QMB) 72cc 47mm Piston Kit with Rings","description":"\u003ch2\u003e47mm Piston Kit for GY6 50cc Engines\u003c\/h2\u003e\u003cp\u003eThis 47mm piston kit is built for GY6 139QMB 50cc engines and gives your scooter a noticeable performance boost. Fitted into a big-bore cylinder, it brings the total displacement up to roughly 72cc, which makes it a budget-friendly way to refresh your engine instead of buying a whole new unit. It is one of the \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e suited to riders who want more go for off-road use.\u003c\/p\u003e\u003ch3\u003eComplete Piston Assembly\u003c\/h3\u003e\u003cp\u003eEverything needed for installation is included in this kit: a piston, piston rings, a 13mm piston pin, and two pin clips. Because the components come together as one assembly, they are designed to match, so a big-bore rebuild can be carried out without hunting down extra parts.\u003c\/p\u003e\u003ch3\u003eDurable Ring Set\u003c\/h3\u003e\u003cp\u003eThe rings are matched to the 47mm bore to create a proper seal and keep engine compression where it should be. If only the piston components are worn, replacing them can bring back lost power without buying a complete kit.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 47mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e Approximately 72cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Pin Diameter:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Piston, piston rings, piston pin, and 2 clips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Engine:\u003c\/strong\u003e GY6 139QMB 50cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 47mm big bore cylinders on GY6 139QMB 50cc engines (not for a stock 39mm 50cc cylinder)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGY6 139QMB 50cc engines with 47mm big bore cylinder\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check your cylinder bore first. This piston measures 47mm, so it only suits a 47mm big bore cylinder. Confirm that your piston pin is 13mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc Scooter Parts (139QMB)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134422712377,"sku":"TT-15438","price":9.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/rdln-performance-gy6-50cc-139qmb-72cc-47mm-piston-kit-with-rings-1.webp?v=1794343696"},{"product_id":"wrist-pin-bearing-i-for-15mm-pin-vespa-p-px-125-150","title":"Wrist Pin Bearing (I, for 15mm Pin) \u0026 Vespa P\/PX 125,150","description":"\u003ch2\u003eWrist Pin Bearing for Vespa P\/PX 125 and 150\u003c\/h2\u003e\u003cp\u003eThis needle bearing fits 15mm wrist pins and works with older Vespa P\/PX models, covering both the 125cc and 150cc engines. Its role is to help the piston move correctly, which supports a proper seal inside the combustion chamber. Like other \u003ca href=\"\/collections\/vintage-vespa-parts\"\u003eclassic Vespa components\u003c\/a\u003e, it goes in where the original bearing sat, so it suits home repair work. Running with a worn bearing can cause performance problems, making this a sensible upgrade for any Vespa rider.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Changing\u003c\/h3\u003e\u003cp\u003eConsider replacing this bearing if you see things like heavy smoke, higher oil use, or lower engine compression. A worn bearing can reduce engine output and cause bigger issues if left alone.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Needle Bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 15mm Pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Vespa 125 and 150 vintage models with 15mm wrist pin\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eVespa 125, 150 (15mm wrist pin)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Look at the slash marks on the end of your connecting rod. Two slashes indicate order I, which is the bearing for your rod.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/vintage-vespa-parts\"\u003eVintage Vespa Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/vespa-parts\"\u003eVespa Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-bearings\"\u003eScooter Bearings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134435688505,"sku":"TT-15615","price":12.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/wrist-pin-bearing-i-for-15mm-pin-vespa-p-px-125-150-1.jpg?v=1794343881"},{"product_id":"gy6-58-5mm-big-bore-kit-forged-piston","title":"GY6 58.5mm Big Bore Kit - Forged Piston","description":"\u003ch2\u003e58.5mm Big Bore Kit for GY6 125cc and 150cc Engines\u003c\/h2\u003e\u003cp\u003eThis 58.5mm big bore kit is built for GY6 4-stroke engines in the 125cc and 150cc range. A forged piston comes with the kit and raises displacement to 155cc. It is one of the \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 scooter parts\u003c\/a\u003e that can add performance without any crankcase work, and it can be fitted by someone with basic mechanical ability.\u003c\/p\u003e\u003ch3\u003eKit Build\u003c\/h3\u003e\u003cp\u003eThe piston in this kit is forged, a construction chosen for its durability and dependability. The cylinder stands 91.5mm tall and its outer sleeve measures 60.3mm across. The stud spacing is 76.5mm, so the kit is sized to sit correctly on compatible GY6 engines.\u003c\/p\u003e\u003ch3\u003eFitting Notes\u003c\/h3\u003e\u003cp\u003eNo crankcase modifications are needed with the 58.5mm Big Bore Kit. It bolts straight onto the engine, which makes it a practical choice for anyone wanting more power without a large amount of mechanical work.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 58.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Sleeve Diameter:\u003c\/strong\u003e 60.3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement Increase:\u003c\/strong\u003e 155cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height (Cylinder):\u003c\/strong\u003e 91.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStud Spacing:\u003c\/strong\u003e 76.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 150cc and 125cc 4-stroke engines with 60.3mm outer sleeve diameter and 76.5mm stud spacing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 QMI\/QMJ 152\/157 (150cc and 125cc 4-stroke engines)\u003c\/li\u003e\n\u003cli\u003eVarious unlisted makes and models with GY6 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check your cylinder's outer sleeve diameter. It needs to be 60.3mm, and the stud spacing needs to be 76.5mm for the kit to bolt on.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/chinese-scooter-parts\"\u003eChinese Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-cylinder-kits\"\u003eScooter Big Bore \u0026amp; Cylinder Kits\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134440472633,"sku":"TT-15669","price":181.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/gy6-58-5mm-big-bore-kit-forged-piston-1.jpg?v=1794343957"},{"product_id":"180cc-gy6-big-bore-kit-63mm-forged-piston","title":"180cc GY6 Big Bore Kit - 63mm Forged Piston","description":"\u003ch2\u003e180cc Big Bore Kit for GY6 125cc and 150cc Engines\u003c\/h2\u003e\u003cp\u003eThis 63 mm forged piston big bore kit is built to raise the performance of supported GY6 125cc and 150cc four-stroke engines. Increasing the displacement to roughly 180cc gives you a stronger base for torque and acceleration. It belongs to our \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 scooter parts\u003c\/a\u003e range and can make a clear difference to how your engine performs.\u003c\/p\u003e\u003ch3\u003eKey Components\u003c\/h3\u003e\u003cp\u003eEverything needed for the upgrade comes in the box: a finned cylinder to help with cooling, a forged piston, piston rings, a wrist pin, retaining clips, and the gaskets required for fitting. The fins work to shed heat, which helps the engine hold steady performance. Together these parts should give you a clearly stronger power delivery.\u003c\/p\u003e\u003ch3\u003eInstallation Requirements\u003c\/h3\u003e\u003cp\u003eFitting this big bore kit means the crankcase must be modified, so it is more involved than a straight swap. You will need the correct tools, including an engine case boring tool, to do the job properly. Plan for the extra work needed to make room for the new cylinder and piston.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine application:\u003c\/strong\u003e Suits GY6 125cc \/ 150cc four-stroke engines; not intended for QMK or 169cc engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 63 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e Roughly 180cc, varying with crankshaft stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter sleeve diameter:\u003c\/strong\u003e 64.9 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder height:\u003c\/strong\u003e 90 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist pin:\u003c\/strong\u003e 15 mm diameter × 48 mm length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder-stud spacing:\u003c\/strong\u003e 54 × 54 mm center-to-center\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 125cc and 150cc four-stroke starting engines (QMI\/QMJ configurations) once the crankcase has been bored\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 125cc and 150cc four-stroke starting engines (157QMJ, 152QMI, YN1P57QMJ, JJ157QMJ, 1P57QMJ, BN157QMJ, 1P52FMI, 154FMI and other QMI\/QMJ configurations; GY6-A type)\u003c\/li\u003e\n\u003cli\u003e54 × 54 mm cylinder-stud spacing, 15 mm wrist pin, and crankcase modification required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Look at the engine code on the case. It needs to be a 125cc or 150cc GY6-A engine with 54 × 54 mm cylinder-stud spacing, and the case must be bored to accept the 64.9 mm sleeve.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/chinese-scooter-parts\"\u003eChinese Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-cylinder-kits\"\u003eScooter Big Bore \u0026amp; Cylinder Kits\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134445355065,"sku":"TT-15719","price":221.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/180cc-gy6-big-bore-kit-63mm-forged-piston-1.jpg?v=1794344031"},{"product_id":"gy6-piston-set","title":"GY6 Piston Set","description":"\u003ch2\u003eGY6 Piston Kit for 125cc and 150cc Motors\u003c\/h2\u003e\u003cp\u003eThis GY6 piston kit, which includes the piston and rings, is built for 125cc and 150cc GY6 4-stroke motors. It comes in 58.5mm, 61mm, and 63mm bore sizes and is a practical choice for anyone moving up to a Big Bore cylinder kit. It is one of several \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 scooter parts\u003c\/a\u003e that can help boost engine output. Keep in mind that the 61mm piston will not work with 161QMK engines.\u003c\/p\u003e\u003ch3\u003ePiston Details\u003c\/h3\u003e\u003cp\u003eThe kit uses a 15mm piston pin and has a 20mm compression height. Together these dimensions help the piston seat correctly and compress the fuel mixture as intended. When picking a size, go with the one that suits your engine setup so the upgrade goes smoothly.\u003c\/p\u003e\u003ch3\u003eWhen to Replace and Use\u003c\/h3\u003e\u003cp\u003eThe piston plays a major role in how efficiently your GY6 engine runs, so it is worth paying attention to its condition during a rebuild. Common warning signs include strange noises from the engine, a drop in power, and oil use that seems higher than normal. Routine inspections can help you keep the engine running well for longer.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 58.5mm, 61mm, 63mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Pin Diameter:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 4-stroke 125cc and 150cc Big Bore cylinder kits, 58.5mm, 61mm and 63mm sizes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 QMI\/QMJ 152\/157 engines (150cc, 4-stroke)\u003c\/li\u003e\n\u003cli\u003eGY6 125cc and 150cc 4-stroke engines with Big Bore cylinder kits (various unlisted makes\/models)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Select the piston size that matches your Big Bore cylinder bore: 58.5mm, 61mm or 63mm. The 61mm piston is not designed for 161QMK engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse related parts:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/chinese-scooter-parts\"\u003eChinese Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"63","offer_id":51134450925625,"sku":"TT-15784","price":46.98,"currency_code":"USD","in_stock":true},{"title":"61","offer_id":51134450958393,"sku":"TT-15785","price":46.98,"currency_code":"USD","in_stock":true},{"title":"58.5","offer_id":51134450991161,"sku":"TT-15786","price":46.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/gy6-piston-set-1.jpg?v=1794344095"},{"product_id":"49cc-2-stroke-44mm-piston-kit-for-scooters-mopeds","title":"49cc 2-stroke 44mm Piston Kit for Scooters \u0026 Mopeds","description":"\u003ch2\u003e49cc Piston Kit for 2-Stroke Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis piston kit is made for 49cc mini 2-stroke engines, so it suits anyone looking to bring back lost power in a scooter or moped. The kit contains the piston, rings, pin, and circlips needed for a full restore of engine performance. It is one of the easiest \u003ca href=\"\/collections\/pocket-bike-parts\"\u003emini bike \u0026amp; pocket bike parts\u003c\/a\u003e to fit at home. You can pick either the 10mm or the 12mm piston pin option, depending on your setup.\u003c\/p\u003e\u003ch3\u003ePiston Dimensions and Components\u003c\/h3\u003e\u003cp\u003eThe piston measures 40mm in overall height with a 44mm outside diameter, so it sits correctly inside the cylinder. Its rings are 2mm thick with a 45mm outside diameter, which helps them seal properly for good running. Everything needed for a simple swap is included in this kit.\u003c\/p\u003e\u003ch3\u003eInstallation and Usage\u003c\/h3\u003e\u003cp\u003eSwapping out the piston kit is a routine job for scooter and moped owners. Consider replacing the piston and its parts when power falls off or the engine gets louder than usual, as this helps keep the vehicle running smoothly. The kit is built to fit a range of 49cc mini gas scooter makes and models.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 44mm diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness of Rings:\u003c\/strong\u003e 2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Pin Options:\u003c\/strong\u003e 10mm, 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 49cc 2-stroke mini engines, 44mm bore, 10mm or 12mm piston pin\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e49cc 2-stroke mini-gas scooters and mopeds (various unlisted makes and models)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Select the pin size that matches your wrist pin, either 10mm or 12mm, and confirm your cylinder has a 44mm bore.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/pocket-bike-parts\"\u003eMini Bike \u0026amp; Pocket Bike Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"12","offer_id":51134451220537,"sku":"TT-15789","price":17.98,"currency_code":"USD","in_stock":true},{"title":"10","offer_id":51134451253305,"sku":"TT-15790","price":20.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/49cc-2-stroke-44mm-piston-kit-1.jpg?v=1794344101"},{"product_id":"piston-pin-puller-for-scooters-mopeds","title":"Piston Pin Puller for Scooters \u0026 Mopeds","description":"\u003ch2\u003ePiston Pin Puller for Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis tool is made for pressing piston pins in and pulling them out on scooters and mopeds. It handles every pin from 12mm (1\/2\") up to 24mm (1\"). You can also browse our \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003erange of scooter pistons and piston rings\u003c\/a\u003e for related maintenance parts, whether you are a home mechanic or a professional.\u003c\/p\u003e\u003ch3\u003eConstruction and Design\u003c\/h3\u003e\u003cp\u003eThe body is cut from 6061 aluminum and finished with an anodized surface and knurling, so it stays easy to hold while you work. A laser-etched logo sits on the body without affecting how the tool operates. Because it is built solidly, it can be used many times over without losing its effectiveness.\u003c\/p\u003e\u003ch3\u003eAdapters Included\u003c\/h3\u003e\u003cp\u003eFour swappable non-marring aluminum adapters come in the box, measuring 12.5mm, 15.8mm, 19mm, and 22.2mm. Together they let you work with a range of piston sizes and different jobs. Using these adapters also helps protect the piston surface while the pin is being fitted or removed.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Fits piston pins from 12mm (1\/2\") to 24mm (1\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdapters:\u003c\/strong\u003e 12.5mm, 15.8mm, 19mm, 22.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Anodized Finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Universal piston pins from 12mm (1\/2\") to 24mm (1\") on scooters and mopeds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check the diameter of your piston pin, then select the adapter from 12.5mm, 15.8mm, 19mm, or 22.2mm that corresponds to it. The tool accepts pins between 12mm and 24mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134470684729,"sku":"TT-15964","price":44.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/piston-pin-puller-1.jpg?v=1794344350"},{"product_id":"piston-pin-for-scooters-mopeds","title":"Piston Pin for Scooters \u0026 Mopeds","description":"\u003ch2\u003ePiston Pin for 50cc 4-Stroke Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis piston pin is built for 50cc 4-stroke QMB139 engines, so it suits riders who want to keep their engine running well. It helps seal the combustion chamber, which is essential for normal operation. Listed among our \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e, it can help avoid problems like heavy smoke and oil use caused by worn rings. Picking the right diameter and size makes sure it matches your cylinder and keeps the engine working efficiently.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003eA worn piston pin should be swapped out to bring back proper compression and efficiency. When the piston rings are damaged or worn, oil use and smoke can rise. Checking this part regularly and replacing it when needed can help stop further damage to the engine.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 31mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 50cc 4-stroke QMB139 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eQMB139 50cc engines (4-stroke)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Make sure the piston pin matches your engine: 31mm long with a 13mm outer diameter, for a 4-stroke QMB139 engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134472224825,"sku":"TT-15982","price":3.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/piston-pin-1.jpg?v=1794344376"},{"product_id":"morini-47mm-piston-kit-for-scooters-mopeds","title":"Morini 47mm Piston Kit for Scooters \u0026 Mopeds","description":"\u003ch2\u003e47mm Piston Kit for Morini Engines in Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis 47mm piston set is built for Morini AD50 engines, which are found in a range of scooters and mopeds from brands such as Hyosung, Suzuki, and TGB. The package contains everything needed for a full swap: piston, piston pin, rings, and circlips. It is one of the \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e that riders commonly swap out to keep their engines running well.\u003c\/p\u003e\u003ch3\u003eEngine Specifications\u003c\/h3\u003e\u003cp\u003eThe Morini AD50 is a horizontal, single-cylinder, 2-stroke engine that relies on ambient air for cooling and uses a reed valve on the intake side. Displacement is 49cc, with a 41mm bore and a 37.4mm stroke. A continuously variable (CVT) automatic transmission drives the engine, which can be started either electrically or by kick.\u003c\/p\u003e\u003ch3\u003eReplacement Considerations\u003c\/h3\u003e\u003cp\u003eSigns that the piston may need attention include reduced power and heavy exhaust smoke. Staying on top of routine upkeep and replacing worn parts when needed can help the engine perform better over time. This kit is designed to drop into the existing setup, so it is a simple job for anyone comfortable with scooter maintenance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Outer Diameter:\u003c\/strong\u003e 47mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Piston Height:\u003c\/strong\u003e 45mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 19mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Length:\u003c\/strong\u003e 39.8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Piston, pin, rings, circlips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Morini AD50 engines on Hyosung, Suzuki and TGB street scooters, and Morini 70cc 2-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMorini AD50 engine (49cc, 2-stroke, 41mm bore) on Hyosung, Suzuki and TGB street scooters\u003c\/li\u003e\n\u003cli\u003eAprilia, Italjet, KTM, Malaguti and other Moto Morini \/ Franco Morini engines (listed by the seller)\u003c\/li\u003e\n\u003cli\u003eBenelli 491 ST\u003c\/li\u003e\n\u003cli\u003eDerbi Vamos\u003c\/li\u003e\n\u003cli\u003eItaljet Formula 50, Formula 50 LC, Torpedo 50, Velocifero 50\u003c\/li\u003e\n\u003cli\u003eMalaguti Crosser CR1\u003c\/li\u003e\n\u003cli\u003ePeirspeed Bolero, Delivery, Key Largo, Key West, Laser R5, Laser R9, Outback, R50X, RM50, Sunset\u003c\/li\u003e\n\u003cli\u003eSuzuki Address 50, AP50, AZ50, Hi-Up, Lets II, Mollet 50, SJ50-QT, Sepia 50, Sepia ZZ, Street Magic, TR50, Verde, ZZ\u003c\/li\u003e\n\u003cli\u003eMorini 70cc 2-stroke\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm that your engine's bore is 47mm, then match the 47mm piston outer diameter and 10mm wrist pin to your setup before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51134473961529,"sku":"TT-16001","price":17.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/morini-47mm-piston-kit-1.webp?v=1794344403"},{"product_id":"39mm-gy6-50cc-139qmb-piston","title":"39mm GY6 50cc (139QMB) Piston","description":"\u003ch2\u003e39mm Piston for 50cc QMB139 Engines\u003c\/h2\u003e\u003cp\u003eBuilt for 50cc 4-stroke QMB139 engines, this 39mm piston is a core part of the engine. It helps keep a firm seal inside the combustion chamber. Swapping out a worn piston and its rings can cure problems such as smoke, heavy oil use, and weak compression. If you're looking at other \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e, this one is worth considering for keeping your engine running well.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eThink about replacing this piston if the engine starts to smoke or loses power, since these can point to worn rings. Keeping this component in good condition supports engine performance and helps your scooter last longer.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 39mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height:\u003c\/strong\u003e 33mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Pin:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 17.25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCirclips:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 50cc 4-stroke QMB139 engines (39mm bore), GY6 type\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e50cc 4-stroke QMB139 engines\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm the 39mm bore and 13mm piston pin match your cylinder, and only fit it in a QMB139 engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc Scooter Parts (139QMB)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135651872825,"sku":"TT-16257","price":12.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/39mm-gy6-50cc-139qmb-piston-1.jpg?v=1794349447"},{"product_id":"wrist-pin-bearing-12mm-for-scooters-mopeds-2","title":"Wrist Pin Bearing, 12mm for Scooters \u0026 Mopeds (Premium)","description":"\u003ch2\u003e12mm Wrist Pin Bearing for Kymco Scooters\u003c\/h2\u003e\u003cp\u003eThis wrist pin bearing is made for a 12mm pin and can be used as a replacement on several Kymco scooters and mopeds. A bearing in good condition helps the piston and rings keep combustion where it belongs. When parts wear down, you may notice heavy smoke, higher oil use, and lower compression. It is one of the \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e that play a part in keeping the engine running well.\u003c\/p\u003e\u003ch3\u003eFunction of This Part\u003c\/h3\u003e\u003cp\u003eThe bearing links the piston to the connecting rod so the engine moves smoothly. If you find the bearing worn, replacing it is the best way to avoid further damage to the engine.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 12.10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 16.7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 14mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKymco Yup 50\u003c\/li\u003e\n\u003cli\u003eKymco Dink 50\u003c\/li\u003e\n\u003cli\u003eKymco Like 50\u003c\/li\u003e\n\u003cli\u003eKymco Super 8 50\u003c\/li\u003e\n\u003cli\u003eKymco Super 9 (49cc) '02-'06\u003c\/li\u003e\n\u003cli\u003eKymco Yager 50\u003c\/li\u003e\n\u003cli\u003eKymco ZX50 (49cc) '00-'06\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSizing guide:\u003c\/strong\u003e This bearing suits a 12mm wrist pin and measures 12.10mm inside, 16.7mm outside, and 14mm long. Check your wrist pin and the old bearing against these figures to confirm a match.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse related items:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-bearings\"\u003eScooter Bearings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135713837113,"sku":"TT-16365","price":7.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/wrist-pin-bearing-12mm-2-1.jpg?v=1794349601"},{"product_id":"gy6-232cc-cygnus-67mm-4v-forged-piston-kit","title":"GY6 232cc Cygnus 67mm 4V Forged Piston Kit","description":"\u003ch2\u003e67mm Forged Piston Kit for GY6 232cc Engines\u003c\/h2\u003e\u003cp\u003eThis GY6 232cc Cygnus 67mm 4V Forged Piston Kit suits riders building off-road or competition engines who want more output and better efficiency. It is made for \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 scooter parts\u003c\/a\u003e and matches 4-stroke engines such as the QMJ152, QMJ157, QMI152, and QMI157. Built from lightweight forged aluminum, this piston offers a reliable way to add power to your engine.\u003c\/p\u003e\u003ch3\u003ePiston Construction and Design\u003c\/h3\u003e\u003cp\u003eThe piston measures 67mm across and is forged from lightweight aluminum, so it can handle demanding performance use. It has four valve reliefs to suit a 4V Cygnus-style cylinder head. The crown carries the stamp \"67.0\", which makes it easy to identify and helps with accurate fitting.\u003c\/p\u003e\u003ch3\u003eInstallation and Components\u003c\/h3\u003e\u003cp\u003eEverything needed for installation comes in the box: one piston, three compression rings, one oil control ring, a 15mm steel wrist pin, and two circlips. With all parts included, the swap is simple on compatible engines. Replace the piston when performance drops or when engine parts show wear.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 67mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height:\u003c\/strong\u003e 38mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Valve Sizes:\u003c\/strong\u003e 23mm intake \/ 25mm exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Application:\u003c\/strong\u003e GY6 232cc 4-stroke, 4V Cygnus-style head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e piston, three compression rings, one oil control ring, wrist pin, two circlips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 232cc 4-stroke engines with 4V Cygnus-style cylinder heads (67mm bore)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 QMJ152 \/ QMJ157 (232cc 4V Cygnus-style head builds)\u003c\/li\u003e\n\u003cli\u003eGY6 QMI152 \/ QMI157 (232cc 4V Cygnus-style head builds)\u003c\/li\u003e\n\u003cli\u003eOther GY6-based 4V Cygnus-style head 232cc engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm the engine's valve sizes: 23mm intake and 25mm exhaust, on a 4V Cygnus-style head, with a 67mm bore.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/chinese-scooter-parts\"\u003eChinese Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135731990585,"sku":"TT-16392","price":146.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/67mm-4v-forged-piston-kit-for-gy6-232cc-cygnus-1.jpg?v=1794349641"},{"product_id":"50mm-honda-dio-sr-piston-kit","title":"50mm Honda Dio SR Piston Kit","description":"\u003ch2\u003e50mm Piston Kit for Honda Dio SR\u003c\/h2\u003e\u003cp\u003eThis 50mm piston set is made for the Honda Dio SR and serves as a dependable replacement for the engine's original piston. The package contains everything needed for the job: the piston, rings, piston pin, and circlips. If you want to keep your scooter running well or give it a boost, this set is a good match among \u003ca href=\"\/collections\/honda-scooter-parts\"\u003eHonda scooter parts\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eComponent Overview\u003c\/h3\u003e\u003cp\u003eThe piston has an outer diameter of 49.9mm and a total height of 57mm. Its compression height is 31.5mm, and the wrist pin measures 12mm across by 40mm long. Together, these dimensions are meant to seat correctly and work properly inside the Honda Dio SR engine.\u003c\/p\u003e\u003ch3\u003eInstallation Guidance\u003c\/h3\u003e\u003cp\u003eSwapping out the piston is an important step in keeping your scooter performing well. The kit is laid out for simple fitting, so the old piston can be replaced without major modification. If the engine starts to show wear or loses power, a new piston from this kit may be the fix to consider.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 50mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Honda Dio SR with a compatible 50mm big-bore cylinder setup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHonda Dio SR (compatible 50mm big-bore cylinder setup, 12mm wrist pin)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm your cylinder bore is 50mm and your wrist pin is 12mm x 40mm, then compare the piston height with your current setup: 57mm total, 31.5mm compression.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/honda-scooter-parts\"\u003eHonda Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135738052665,"sku":"TT-16401","price":31.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/50mm-dio-sr-piston-kit-1.jpg?v=1794349655"},{"product_id":"39mm-kymco-2-stroke-piston-kit","title":"39mm Kymco 2-Stroke Piston Kit","description":"\u003ch2\u003e39mm Piston Kit for Kymco 50cc Scooters\u003c\/h2\u003e\u003cp\u003eThis 39mm 2-stroke piston kit suits a range of Kymco 50cc scooters and offers a dependable replacement for your scooter's engine. Everything needed for a smooth, efficient running engine is included. It is one of the \u003ca href=\"\/collections\/kymco-scooter-parts\"\u003eKymco scooter parts\u003c\/a\u003e available for keeping both liquid-cooled and air-cooled engines performing well. Fitting a new piston can bring back your scooter's power and quick response on the road.\u003c\/p\u003e\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\u003cp\u003eThe kit contains a piston, a 12mm wrist pin, piston rings, and circlips, so you have everything needed in one package. The components are made to fit closely, which keeps installation simple. Correct fit matters for keeping the engine efficient and performing as it should.\u003c\/p\u003e\u003ch3\u003eDimensions and Measurements\u003c\/h3\u003e\u003cp\u003eThe piston measures 39mm across the outside and stands 53.5mm tall overall, with a compression height of 28mm. The wrist pin is 12mm in diameter and 32mm long. These exact dimensions are what allow the kit to match the listed Kymco models and support proper engine operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Outer Diameter:\u003c\/strong\u003e 39mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Piston Height:\u003c\/strong\u003e 53.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Length:\u003c\/strong\u003e 32mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufactured In:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Kymco 50 2-stroke air-cooled and liquid-cooled scooters (Agility, Grand Dink, Like, Mongoose, People)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKymco Agility 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Grand Dink 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Like 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Mongoose 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco People 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Super 8 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Super 9 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Top Boy (Cobra) 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Vitality 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Yup 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Yager (Spacer) 50 AC (air-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Super 9 50 LC ('00-'04, liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Dink 50 LC ('98-'02, liquid-cooled)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/kymco-scooter-parts\"\u003eKymco Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135738839097,"sku":"TT-16405","price":49.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/39mm-kymco-2-stroke-piston-kit-1.webp?v=1794349657"},{"product_id":"qingqi-qm50qt-b2-50cc-piston-ring-set-for-scooters-mopeds","title":"Qingqi QM50QT-B2 50cc Piston Ring Set for Scooters \u0026 Mopeds","description":"\u003ch2\u003e50cc Piston Ring Set for Qingqi QM50QT-B2 Scooters\u003c\/h2\u003e\u003cp\u003eThis piston ring set is made for the Qingqi QM50QT-B2, a 50cc 2-stroke scooter. Its job is to seal the combustion chamber so the engine runs properly. When the rings wear down, you may notice smoke, higher oil use, and lower compression, which is why replacing them can be necessary. They are one of the \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e worth checking during routine maintenance.\u003c\/p\u003e\u003ch3\u003eFunction of This Part\u003c\/h3\u003e\u003cp\u003eThe piston rings help keep the combustion chamber sealed. Once they wear out, problems such as oil leaking into the chamber and reduced engine efficiency can follow. Fitting a new set is an important step in bringing back the scooter's performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Diameter:\u003c\/strong\u003e 42mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressed Diameter:\u003c\/strong\u003e 40.7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Thickness:\u003c\/strong\u003e 1.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter:\u003c\/strong\u003e 39.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Width:\u003c\/strong\u003e 1.6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Qingqi QM50QT-B2 50cc 2-stroke scooters and mopeds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eQingqi QM50QT-B2 50cc 2-stroke scooter (42mm bore piston rings)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check your piston's bore. The ring set's total diameter is 42mm, so it is meant for a 42mm bore.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135748866105,"sku":"TT-16418","price":6.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/qingqi-qm50qt-b2-50cc-piston-ring-set-1.jpg?v=1794349681"},{"product_id":"minarelli-47-6mm-piston-kit","title":"Minarelli 47.6mm Piston Kit","description":"\u003ch2\u003e47.6mm Piston Kit for Minarelli 50cc Engines\u003c\/h2\u003e\u003cp\u003eThis piston set is made for 50cc 2-stroke Minarelli engines and is meant to help boost performance. It comes with a single-ring PTFE piston that works with the Hoca Ceramic Big Bore Racing Kit, which has a Nikasil coating. It belongs to the \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha jog scooter parts\u003c\/a\u003e range and can noticeably affect how an engine responds and how high it revs.\u003c\/p\u003e\u003ch3\u003ePiston Construction\u003c\/h3\u003e\u003cp\u003eThe piston measures 47.6mm across (excluding the ring) and has a PTFE coating that helps cut down on friction and wear. The single compression ring is built for higher RPM use, so it suits racing or performance builds. The overall height is 50.5mm, which is sized to sit properly inside the cylinder.\u003c\/p\u003e\u003ch3\u003eInstallation and Usage\u003c\/h3\u003e\u003cp\u003eFitting this kit is simple for anyone already comfortable working on scooters. The package includes a 10mm wrist pin, a wrist pin bearing, circlips, and the compression ring. This part is not approved for public road use, so it is best used in racing or on closed circuits where performance is the main goal.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 47.6mm Diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 25.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height:\u003c\/strong\u003e 50.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 50cc 2-stroke Minarelli engines, for use with Hoca Ceramic Big Bore Racing Kit (47.6mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMinarelli 50cc 2-stroke engines (with Hoca Ceramic Big Bore Racing Kit, 47.6mm bore)\u003c\/li\u003e\n\u003cli\u003e40QMB 50cc 2-stroke\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Make sure the cylinder bore is 47.6mm, the wrist pin is 10mm, and the cylinder overall height is 50.5mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha Jog Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135751880761,"sku":"TT-16423","price":52.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/minarelli-47-6mm-piston-kit-1.webp?v=1794349688"},{"product_id":"47mm-kymco-2-stroke-big-bore-piston-kit","title":"47mm Kymco 2-Stroke Big Bore Piston Kit","description":"\u003ch2\u003e47mm Big Bore Piston Kit for Kymco 50cc Models\u003c\/h2\u003e\u003cp\u003eThis 47mm big bore piston kit suits a range of Kymco 50cc scooters, whether they use air-cooled or liquid-cooled engines. If you are swapping out your current piston, the kit has all the pieces needed for the job: a piston, wrist pin, rings, and circlips. You can also browse our \u003ca href=\"\/collections\/kymco-scooter-parts\"\u003eselection of Kymco scooter parts\u003c\/a\u003e for other options.\u003c\/p\u003e\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\u003cp\u003eEach kit contains a piston, a 12mm wrist pin, rings, and circlips. These parts work together to keep the fit secure and the engine running properly. Having everything in one package makes the replacement simpler, which is helpful for anyone who prefers to do their own scooter maintenance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Outer Diameter:\u003c\/strong\u003e 46.9mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Piston Height:\u003c\/strong\u003e 53mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Length:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Kymco 50 2-stroke scooters and scooter engines (air-cooled and liquid-cooled) listed by model below\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKymco Agility 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Grand Dink 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Like 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Mongoose 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Quad Mongoose 50\u003c\/li\u003e\n\u003cli\u003eKymco People 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Super 8 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Super 9 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Top Boy (Cobra) 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Cobra 50\u003c\/li\u003e\n\u003cli\u003eKymco Vitality 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Yup 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Yager (Spacer) 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003cli\u003eKymco Yager 50\u003c\/li\u003e\n\u003cli\u003eKymco Dink 50 (air-cooled and liquid-cooled)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check the outer diameter of your current piston. This kit measures 46.9mm, with a 12mm wrist pin and a 40mm pin length.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/kymco-scooter-parts\"\u003eKymco Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-cylinder-kits\"\u003eScooter Big Bore \u0026amp; Cylinder Kits\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135770984505,"sku":"TT-16454","price":37.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/47mm-kymco-2-stroke-big-bore-piston-kit-1.webp?v=1794349730"},{"product_id":"heavy-duty-12mm-wrist-pin-bearing-for-50cc-2t-for-scooters-mopeds","title":"Heavy Duty 12mm Wrist Pin Bearing for 50cc 2T for Scooters \u0026 Mopeds","description":"\u003ch2\u003eHeavy Duty 12mm Wrist Pin Bearing for 50cc 2-Stroke Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis heavy-duty wrist pin bearing suits 50cc 2-stroke engines, helping keep your scooter or moped running reliably. It keeps the engine steady at high RPM, so it is an important part for performance work or routine upkeep. The bearing has a silver-plated cage that copes with intense heat while cutting down on friction. It is one of the \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e parts that can noticeably affect how long your engine lasts and how it performs.\u003c\/p\u003e\u003ch3\u003eBuild and Performance\u003c\/h3\u003e\u003cp\u003eThe bearing uses a heavy-duty silver cage, which conducts heat away better than standard bearings. This helps it last longer and hold up under load. Its precision needle rollers are made of hardened steel, allowing the piston to move smoothly and handle heavy loads. It is well suited to sport and mid-race use, where crankshaft RPM goes beyond factory specifications.\u003c\/p\u003e\u003ch3\u003eFitting and Upkeep\u003c\/h3\u003e\u003cp\u003eThe wrist pin bearing should be replaced during a top-end rebuild, since neglecting it can lead to engine failure. Before fitting, coat the bearing well with 2-Stroke Racing Oil so it is lubricated right from the first start. It is also worth checking the tension of the piston circlips during the job for dependable operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Silver-Plated Heavy Duty Cage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 12mm Inner Diameter, 17mm Outer Diameter, 13mm Length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Small End Bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 50cc 2-stroke scooters and mopeds using a 12mm wrist pin (Vespa\/Piaggio, Honda, Aprilia, Kymco\/SYM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVespa \/ Piaggio ET2, LX\/LXV, Primavera, Sprint 50, Fly 50, Typhoon 50\u003c\/li\u003e\n\u003cli\u003eHonda Dio, Elite 50 (1994+, AF27\/AF28\/AF34\/AF35)\u003c\/li\u003e\n\u003cli\u003eAprilia SR 50, Mojito, Scarabeo, Sport City One 50\u003c\/li\u003e\n\u003cli\u003eKymco \/ SYM Super 9, Agility, Like 50, DD 50, Fiddle I, Jet 50\u003c\/li\u003e\n\u003cli\u003eVintage Vespa PK 50, V 50\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Check your wrist pin first. It needs to be 12mm inner diameter, with a 17mm outer diameter and 13mm length.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-bearings\"\u003eScooter Bearings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135794610233,"sku":"TT-16479","price":9.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/heavy-duty-12mm-wrist-pin-bearing-for-50cc-2t-1.jpg?v=1794349769"},{"product_id":"70cc-47mm-piston-for-ac-and-lc-minarelli","title":"70cc (47mm) Piston for AC and LC Minarelli","description":"\u003ch2\u003e70cc Piston for Minarelli Engines\u003c\/h2\u003e\u003cp\u003eThis 70cc piston suits both air-cooled and liquid-cooled Minarelli big bore cylinder kits. It has a 47mm diameter and a 10mm wrist pin, so it lines up accurately with the cylinder and pin for dependable operation. It's a useful piece for anyone servicing a Minarelli engine, and it sits among the \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha jog scooter parts\u003c\/a\u003e on offer. A solid replacement like this helps keep your scooter running reliably.\u003c\/p\u003e\u003ch3\u003eConstruction and Compatibility\u003c\/h3\u003e\u003cp\u003eThe piston is made to the specifications needed for smooth running. It works with a range of models, so you can swap out a worn or damaged piston with confidence. Because it supports both air-cooled and liquid-cooled cylinder kits, it adapts easily to different setups.\u003c\/p\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cp\u003eFitting a new piston generally means taking the engine apart. For step-by-step instructions, refer to the service manual for your specific scooter model. Correct installation can improve engine response and extend engine life, which makes a real difference over running with a failing piston.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 47mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 70cc (47mm) Minarelli AC and LC horizontal big bore cylinders; Aprilia, Eton, Buddy, Roughhouse, Malaguti\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAprilia (horizontal Minarelli 70cc big bore)\u003c\/li\u003e\n\u003cli\u003eEton (horizontal Minarelli 70cc big bore)\u003c\/li\u003e\n\u003cli\u003eBuddy 50 (horizontal Minarelli 70cc big bore)\u003c\/li\u003e\n\u003cli\u003eRoughhouse 50 (horizontal Minarelli 70cc big bore)\u003c\/li\u003e\n\u003cli\u003eMalaguti Ciak 50 (49cc, '02-'05)\u003c\/li\u003e\n\u003cli\u003eMalaguti Yesterday (49cc, '01-'06)\u003c\/li\u003e\n\u003cli\u003eYamaha (horizontal Minarelli 70cc big bore)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Before fitting, confirm that the piston's 47mm diameter and 10mm wrist pin match your cylinder kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha Jog Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135806570553,"sku":"TT-16493","price":42.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/70cc-47mm-piston-for-ac-and-lc-minarelli-1.webp?v=1794349791"},{"product_id":"gy6-50cc-139qmb-47mm-piston-kit","title":"GY6 50cc (139QMB) 47mm Piston Kit","description":"\u003ch2\u003e47mm Piston Assembly for GY6 50cc Engines\u003c\/h2\u003e\u003cp\u003eThis replacement piston assembly is built for the QMB139 4-stroke engine, which has a 47mm bore. The package includes a piston, rings, a piston pin, and circlips. It is one of the essential \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e that help keep the combustion chamber sealed, which guards against problems such as oil burning and poor compression. Getting the piston diameter and pin size to match your cylinder is key for good running.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eConsider swapping the piston assembly if you see heavy exhaust smoke or your engine is using more oil than usual, as worn rings can cause both. Good compression is necessary for an efficient engine, so replacing a worn piston in good time helps the scooter run dependably.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 47mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Piston Height:\u003c\/strong\u003e 34.1mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 50cc QMB139 4-stroke engines (47mm piston, 13mm wrist pin)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm the bore against your cylinder. This assembly measures 47mm, uses a 13mm wrist pin, and has a total piston height of 34.1mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse related parts:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc Scooter Parts (139QMB)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135810469945,"sku":"TT-16500","price":33.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/47mm-piston-kit-for-gy6-50cc-139qmb-1.webp?v=1794349800"},{"product_id":"minarelli-wrist-pin-bearing-10mm-or-12mm","title":"Minarelli Wrist Pin Bearing - 10mm or 12mm","description":"\u003ch2\u003eMinarelli Wrist Pin Bearing for 50cc and 90cc Engines\u003c\/h2\u003e\u003cp\u003eThis wrist pin bearing is made for Minarelli-style engines and comes in two options, one for 50cc and one for 90cc models. The 10mm size works with 50cc engines, and the 12mm size works with 90cc engines. It belongs to the range of \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha jog scooter parts\u003c\/a\u003e that help keep an engine running smoothly and dependably.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eThe wrist pin bearing links the piston to the connecting rod, so it plays a vital role. As it wears, performance can drop and the engine can be damaged. Unusual noises or a noticeable loss of power are good reasons to check it and consider a replacement.\u003c\/p\u003e\u003ch3\u003eBuild and Compatibility\u003c\/h3\u003e\u003cp\u003eTwo sizes are offered: 10mm and 12mm. The 10mm bearing suits Minarelli 50cc 2-stroke engines, and the 12mm bearing is intended for 90cc 2-stroke engines. Choose the size that matches your engine so it performs as it should.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 10mm ID x 14mm OD x 12.5mm length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 105-78 10 (10mm) \/ 105-78 12 (12mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Minarelli-style engines: 10mm version for 50cc 2-stroke, 12mm version for 90cc 2-stroke\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMinarelli 50cc 2-stroke engine (10mm wrist pin)\u003c\/li\u003e\n\u003cli\u003eMinarelli 90cc 2-stroke engine (12mm wrist pin)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Measure the diameter of your wrist pin. Use the 10mm bearing for a 10mm pin and the 12mm bearing for a 12mm pin.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha Jog Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-bearings\"\u003eScooter Bearings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"10","offer_id":51135908872249,"sku":"TT-16670","price":5.98,"currency_code":"USD","in_stock":false},{"title":"12","offer_id":51135908905017,"sku":"TT-16671","price":6.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/minarelli-wrist-pin-bearing-10mm-or-12mm-1.jpg?v=1794350041"},{"product_id":"minarelli-40mm-piston-kit-10mm-or-12mm-wrist-pin","title":"Minarelli 40mm Piston Kit - 10mm or 12mm Wrist Pin","description":"\u003ch2\u003e40mm Piston Kit for Minarelli Engines and Yamaha Scooters\u003c\/h2\u003e\u003cp\u003eThis piston kit suits Minarelli 1PE40QMB and 40QMB engines, which are typically used in a range of 50cc scooters. Everything required for a full replacement is included, so fitting it is fairly simple. It falls under our \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha Jog scooter parts\u003c\/a\u003e range and plays a key role in keeping the engine running well. You can pick a 10mm or 12mm wrist pin so it lines up with your engine setup.\u003c\/p\u003e\u003ch3\u003eEverything Included in the Kit\u003c\/h3\u003e\u003cp\u003eThe kit comes with a piston, wrist pin, piston rings, and two circlips, covering a complete rebuild. These parts are meant to work together for dependable engine operation. The piston measures 40mm across the bore and 50mm in height, and it serves as a direct OEM-style replacement for the original piston.\u003c\/p\u003e\u003ch3\u003eWhich Engines It Works With\u003c\/h3\u003e\u003cp\u003eThis piston is made for Yamaha Jog-based 50cc two-stroke engines as well as a number of Chinese 40QMB clone engines. It suits riders who want to restore power or deal with worn parts in their scooter engine. Swapping in a new piston when the old one shows wear or damage helps keep the engine in good overall condition.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Height:\u003c\/strong\u003e 50mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Pin:\u003c\/strong\u003e 10mm or 12mm (choose your variant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e piston, pin, rings, and 2 circlips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e Minarelli 1PE40QMB \/ 40QMB 50cc 2-stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Minarelli 1PE40QMB (40QMB) 50cc 2-stroke engines, including Yamaha Jog-style and Chinese 40QMB clones\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMinarelli 1PE40QMB (40QMB) 50cc 2-stroke engine\u003c\/li\u003e\n\u003cli\u003eYamaha Jog 50\u003c\/li\u003e\n\u003cli\u003eYamaha BWS 50\u003c\/li\u003e\n\u003cli\u003eChinese 40QMB-based 50cc 2-stroke scooters\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Pick the 10mm or 12mm pin size that suits your engine. Each size is listed as a separate variant, identified by the SKU suffix -10 or -12.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse related parts:\u003c\/strong\u003e \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha Jog Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"12","offer_id":51135924240441,"sku":"TT-16740","price":18.98,"currency_code":"USD","in_stock":false},{"title":"10","offer_id":51135924273209,"sku":"TT-16741","price":18.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/minarelli-40mm-piston-kit-10mm-or-12mm-wrist-pin-1.jpg?v=1794350082"},{"product_id":"minarelli-47mm-piston-kit","title":"Minarelli 47mm Piston Kit","description":"\u003ch2\u003e47mm Piston Kit for Minarelli 50cc \/ Yamaha Jog Engines\u003c\/h2\u003e\u003cp\u003eThis kit supplies a piston and ring set built for 70cc, 2-stroke Minarelli engines. Keeping the piston assembly in good condition supports consistent engine output and efficiency. It belongs to our \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha jog scooter parts\u003c\/a\u003e range and can address problems tied to smoke and oil use. Swapping out worn pistons and rings can bring back compression and smooth out running.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003eThe piston and rings seal the combustion chamber. Once the rings lose their grip, the engine may burn more oil and lose efficiency.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 47mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 10mm or 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e Piston, pin, rings, and cir clips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Minarelli 70cc 2-stroke engines with 47mm bore, 10mm or 12mm wrist pin\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMinarelli 70cc 2-stroke engines (47mm bore)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Pick the 10mm or 12mm version that matches your existing piston, using the diameter of the old pin as your guide.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/minarelli-50cc-parts\"\u003eMinarelli 50cc \/ Yamaha Jog Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"12","offer_id":51135924437049,"sku":"TT-16745","price":35.98,"currency_code":"USD","in_stock":false},{"title":"10","offer_id":51135924469817,"sku":"TT-16746","price":37.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/minarelli-47mm-piston-kit-1.jpg?v=1794350088"},{"product_id":"47cc-2-stroke-40mm-piston-kit-for-scooters-mopeds","title":"47cc 2-stroke 40mm Piston Kit for Scooters \u0026 Mopeds","description":"\u003ch2\u003e47cc Piston Kit for 2-Stroke Scooters and Mopeds\u003c\/h2\u003e\u003cp\u003eThis kit is made for 47cc mini 2-stroke engines. The package contains a piston, piston rings, a piston pin, and circlips, so you get everything needed for a full swap. It is one of the simpler \u003ca href=\"\/collections\/pocket-bike-parts\"\u003emini bike \u0026amp; pocket bike parts\u003c\/a\u003e for home mechanics working on engine repairs. Swapping out worn parts can help bring back engine power and cut down on oil use.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eThe piston and rings seal the combustion chamber, so they play a key role in how the engine runs. Heavier exhaust smoke, higher oil consumption, or weak compression are signs that these parts may need replacing to keep the engine working properly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height:\u003c\/strong\u003e 41mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter (Piston):\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter (Rings):\u003c\/strong\u003e 41.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness (Rings):\u003c\/strong\u003e 1.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 18mm with 10mm Piston Pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Pin Size:\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e 47cc 2-stroke mini engines with 40mm bore, for scooters and mopeds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e47cc 2-stroke mini engines (40mm bore, 10mm piston pin)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChoosing the right kit:\u003c\/strong\u003e Confirm that your cylinder bore is 40mm and your piston pin is 10mm before ordering this kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse related parts:\u003c\/strong\u003e \u003ca href=\"\/collections\/pocket-bike-parts\"\u003eMini Bike \u0026amp; Pocket Bike Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135927517241,"sku":"TT-16835","price":17.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/47cc-2-stroke-40mm-piston-kit-1.jpg?v=1794350135"},{"product_id":"calper-adapter-4-piston-for-245mm-disc-for-scooters-mopeds","title":"Calper Adapter (4-Piston) for 245mm Disc for Scooters \u0026 Mopeds","description":"\u003ch2\u003eCaliper Adapter for Honda Grom and Honda Monkey\u003c\/h2\u003e\u003cp\u003eThis caliper bracket lets you mount a 4-piston brake caliper and a 245mm floating disc rotor on Honda Grom and Honda Monkey models. It works by modifying the stock fork legs, which were originally built for smaller factory rotors and a 2-piston setup. Keeping the caliper lined up with the larger rotor allows the pads to contact it correctly, supporting dependable stopping power. If you are planning a brake upgrade for better safety and control, you may also want to look at \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003ePrecision Machining\u003c\/h3\u003e\u003cp\u003eThis adapter is precision machined to hold the caliper in the correct position relative to the 245mm rotor surface. Accurate alignment like this is essential for even pad-to-rotor contact, so braking force spreads across the rotor evenly. Well-aligned brakes contribute to better braking efficiency and rider safety.\u003c\/p\u003e\u003ch3\u003eLightweight Design\u003c\/h3\u003e\u003cp\u003eBuilt from lightweight material, the adapter adds very little mass to your scooter or moped. This keeps the braking system effective without compromising the agility and responsiveness of the ride. It is sold individually, so it is a simple part to add to your brake upgrade.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 245mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Mounting Bracket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Honda Grom and Honda Monkey, for use with the NCY 4-piston caliper and 245mm floating disc\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHonda Grom (with NCY 4-piston caliper and 245mm floating disc)\u003c\/li\u003e\n\u003cli\u003eHonda Monkey (with NCY 4-piston caliper and 245mm floating disc)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-brakes\"\u003eScooter Brake Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135931383865,"sku":"TT-16931","price":69.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/calper-adapter-4-piston-for-245mm-disc-1.webp?v=1794350237"},{"product_id":"forged-4-piston-brake-caliper-black-right-universal-fit","title":"Forged 4 Piston Brake Caliper Black Right (Universal Fit)","description":"\u003ch2\u003e4-Piston Brake Caliper for Scooters and Small Motorcycles\u003c\/h2\u003e\u003cp\u003eThis universal right-side 4-piston brake caliper suits scooters, small motorcycles, and mini-motos. Compared with a typical 2-piston caliper, it is a meaningful step up, with the potential for shorter stopping distances and a more refined braking feel. It also belongs to the wider range of \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003escooter pistons \u0026amp; piston rings\u003c\/a\u003e, and it works best when matched with a suitable brake rotor.\u003c\/p\u003e\u003ch3\u003eStronger Clamping Force for More Reliable Stopping\u003c\/h3\u003e\u003cp\u003eWith four pistons, this caliper delivers greater clamping force, which helps braking feel more even during firm stops. Predictable response under hard braking supports both safety and control. The anodized black finish gives the caliper a clean look and helps resist corrosion, adding to its service life.\u003c\/p\u003e\u003ch3\u003eUniversal Fitment Design\u003c\/h3\u003e\u003cp\u003eThe caliper is built for a right-side mount and comes with a universal bracket. That flexibility lets it work with many custom and aftermarket fork setups, so it can be fitted into an existing build without much trouble. Standard brake line fittings allow it to connect with your current brake lines.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Right-side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Anodized Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Universal aftermarket fit for scooters, mini-motos and small motorcycles (right side)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eUniversal aftermarket fork setups (right side, custom and aftermarket applications)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Pair it with a 245mm floating disc rotor, and use the NCY Caliper Adapter if your setup requires one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-brakes\"\u003eScooter Brake Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135933939769,"sku":"TT-17002","price":245.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/forged-4-piston-brake-caliper-black-right-universal-fit-1.webp?v=1794350321"},{"product_id":"oem-scooter-co-piston-ring-rattler-110","title":"OEM Scooter Co. Piston Ring, Rattler 110","description":"\u003ch2\u003ePiston Ring for Rattler 110 Scooter\u003c\/h2\u003e\u003cp\u003eThis piston ring is made to suit the Rattler 110 and helps keep the combustion chamber properly sealed. A dependable ring plays a key role in engine power and fuel efficiency. When rings wear down, you may see more oil being burned, blue or grey smoke, and lower compression. It belongs to the \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine scooter parts\u003c\/a\u003e range that supports smooth day-to-day running.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Changing\u003c\/h3\u003e\u003cp\u003eIf your scooter is producing heavy smoke or using more oil than usual, the rings may be worn and due for replacement. A tight seal is essential for the engine to work properly, and getting the piston diameter and pin size right makes sure the new ring sits correctly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Combustion chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard, 1st or 2nd oversize available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Rattler 110\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGenuine Rattler 110\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Rings are supplied in standard, 1st oversize and 2nd oversize. Measure your piston bore first, then pick the size that matches it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135951601721,"sku":"TT-17163","price":28.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-scooter-co-piston-ring-rattler-110-1.webp?v=1794350536"},{"product_id":"oem-piston-wrist-pin-7x10x29-2-for-genuine-rattler-125-urbano-125","title":"OEM Piston Wrist Pin 7X10X29.2 for Genuine Rattler 125, Urbano 125","description":"\u003ch2\u003eOEM Piston Wrist Pin for Rattler 125 and Urbano 125\u003c\/h2\u003e\u003cp\u003eThis original-equipment wrist pin is made for the Rattler 125 and Urbano 125 scooters. It helps seal the combustion chamber so the engine runs as it should. Among \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003egenuine scooter parts\u003c\/a\u003e, it contributes to steady performance and dependable operation. Swapping out a worn pin can help avoid problems like heavy smoke, oil use, and weak compression.\u003c\/p\u003e\u003ch3\u003eFunction of This Part\u003c\/h3\u003e\u003cp\u003eThe wrist pin links the piston to the connecting rod and lets the two move smoothly together inside the engine. When this pin wears down, it can cause major engine trouble, so replacing it is the way to bring the engine back to normal operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 7X10X29.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Rattler 125, Urbano 125\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Rattler 125\u003c\/li\u003e\n\u003cli\u003eGenuine Urbano 125\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation location:\u003c\/strong\u003e part #4 on the crankshaft diagram for the Rattler 125; part #4 on the crankshaft diagram for the Urbano 125.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135962251321,"sku":"TT-17226","price":2.14,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-wrist-pin-7x10x29-2-for-genuine-rattler-125-urbano-125-1.png?v=1794350617"},{"product_id":"genuine-scooter-oem-piston-ring-set-rings","title":"Genuine Scooter OEM Piston Ring Set Rings","description":"\u003ch2\u003ePiston Ring Set for Genuine Scooters\u003c\/h2\u003e\u003cp\u003eThis set of piston rings is built for genuine scooters and helps maintain a tight seal in the combustion chamber. When an engine shows low compression, burns oil, or produces smoke, the piston rings may need replacing. Like other \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003egenuine scooter parts\u003c\/a\u003e, this component is simple to fit, so it suits anyone handling their own repairs. Confirm that the piston size, pin dimensions, and oversize match your cylinder before installing.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eWorn piston rings can cause serious engine problems, such as higher oil use and smoke from the exhaust. Seeing these signs means a replacement is needed to keep the engine running properly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard, 1st or 2nd over\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Combustion chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Urbano 50i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGenuine Urbano 50i\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePlacement:\u003c\/strong\u003e part #5 on the crankshaft and piston diagram for the Urbano 50i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136160301113,"sku":"TT-18477","price":16.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-ring-set-rings-for-genuine-scooters-1.png?v=1794353929"},{"product_id":"oem-piston-ring-set-rings-for-genuine-urbano-200i-rattler-200i","title":"OEM Piston Ring Set Rings for Genuine Urbano 200i, Rattler 200i","description":"\u003ch2\u003ePiston Ring Set for Urbano 200i and Rattler 200i\u003c\/h2\u003e\u003cp\u003eThis ring set is made for the Urbano 200i and Rattler 200i scooters and helps keep the combustion chamber properly sealed. When the rings start to wear, you may see more smoke and oil use, along with lower compression that hurts engine output. Swapping in new rings can help your engine run as efficiently as it should. It's one of the \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine scooter parts\u003c\/a\u003e that supports the everyday operation of your vehicle.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003eWithin the engine, piston rings are what seal the combustion chamber. As they wear down, symptoms can include heavier smoke, higher oil consumption, and weaker compression, any of which can cause performance problems.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Rattler 200i, Urbano 200i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Rattler 200i\u003c\/li\u003e\n\u003cli\u003eGenuine Urbano 200i\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #2 on the crankshaft diagram for the Rattler 200i; part #2 on the crankshaft diagram for the Urbano 200i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136168820793,"sku":"TT-18541","price":16.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-ring-set-rings-for-genuine-urbano-200i-rattler-200i-1.jpg?v=1794354019"},{"product_id":"royal-alloy-gp300s-oem-piston-ring-1","title":"Royal Alloy GP300S OEM Piston Ring 1","description":"\u003ch2\u003eRoyal Alloy GP300S Piston Ring Replacement\u003c\/h2\u003e\u003cp\u003eThe Royal Alloy GP300S OEM Piston Ring helps your scooter's engine keep a tight seal inside the combustion chamber, which cuts down on problems such as heavy smoke and high oil use. Like other \u003ca href=\"\/collections\/royal-alloy-parts\"\u003eRoyal Alloy scooter parts\u003c\/a\u003e, it is built to drop into the existing setup without modification. Swapping out a worn piston ring is an effective way to bring back compression and get your engine running efficiently again.\u003c\/p\u003e\u003ch3\u003eWhen to Replace It\u003c\/h3\u003e\u003cp\u003eA worn piston ring can cause serious engine trouble, such as visible smoke and rising oil consumption. If your engine seems to have lost power or compression, consider replacing the piston ring to help it run smoothly once more.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Combustion chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e GP300S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Royal Alloy GP300S\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eRoyal Alloy GP300S\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #3 on the cylinder and piston diagram for the GP300S.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/royal-alloy-parts\"\u003eRoyal Alloy Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136169181241,"sku":"TT-18545","price":15.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-ring-1-for-royal-alloy-gp300s-1.webp?v=1794354025"},{"product_id":"royal-alloy-gp300s-oem-piston-ring-2","title":"Royal Alloy GP300S OEM Piston Ring 2","description":"\u003ch2\u003eRoyal Alloy GP300S Piston Ring for Scooters\u003c\/h2\u003e\u003cp\u003eThe Royal Alloy GP300S OEM Piston Ring plays a key role in keeping your scooter's engine running well. It seals the combustion chamber so the engine can work efficiently. Among \u003ca href=\"\/collections\/royal-alloy-parts\"\u003eRoyal Alloy scooter parts\u003c\/a\u003e, this one has a noticeable effect on how the scooter rides once it starts to wear.\u003c\/p\u003e\u003ch3\u003eWhen to Replace It\u003c\/h3\u003e\u003cp\u003eSmoke coming from the exhaust or a noticeable loss of engine power are signs you should think about swapping it out. A worn ring can cause serious problems, affecting how long the engine lasts and how the scooter feels to ride.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard, 1st or 2nd over\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Combustion chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Royal Alloy GP300S\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eRoyal Alloy GP300S\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #4 on the cylinder and piston diagram for the GP300S.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/royal-alloy-parts\"\u003eRoyal Alloy Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136169705529,"sku":"TT-18551","price":6.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-ring-2-for-royal-alloy-gp300s-1.webp?v=1794354033"},{"product_id":"genuine-g400-oem-piston-rings-kit","title":"Genuine G400 OEM Piston Rings Kit","description":"\u003ch2\u003eG400 Piston Rings Kit for Scooters\u003c\/h2\u003e\u003cp\u003eThis genuine G400 OEM piston rings kit creates a tight seal in the scooter's combustion chamber, which helps the engine run well and use fuel efficiently. Among \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003egenuine scooter parts\u003c\/a\u003e, it plays a key role in keeping the engine smooth and durable. If you notice heavy smoke, higher oil use, or weak compression, new piston rings may be the fix.\u003c\/p\u003e\u003ch3\u003eWhen to Replace It\u003c\/h3\u003e\u003cp\u003eOver time, piston rings lose their effectiveness and engine performance drops. Common warning signs include more oil being burned, exhaust smoke, and reduced compression. Installing new rings can bring back engine efficiency and cut down on unwanted emissions.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Match to cylinder diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Combustion chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e G400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine G400\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGenuine G400\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #4 on the piston and piston rings kit diagram for the G400.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136192446521,"sku":"TT-18840","price":58.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-rings-kit-for-genuine-g400-1.jpg?v=1794354460"},{"product_id":"genuine-buddy-170i-hooligan-oem-piston-ring-2","title":"Genuine Buddy 170i\/Hooligan OEM Piston Ring (#2)","description":"\u003ch2\u003eGenuine Piston Ring for Buddy 170i and Hooligan Models\u003c\/h2\u003e\u003cp\u003eThis piston ring is made to match the Buddy 170i and Hooligan scooters, giving a precise fit and dependable operation. A healthy piston ring seals the combustion chamber, which helps prevent problems like heavy oil use and poor compression. Swapping out worn rings is key to bringing back engine efficiency. It belongs to the \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy scooter parts\u003c\/a\u003e range and plays a large role in how your scooter runs.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eWorn piston rings may cause smoke, higher oil consumption, and lower compression inside the engine. If you see these signs, replacing the piston ring can help restore your scooter's performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Buddy 170i, Hooligan 170i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Buddy 170i\u003c\/li\u003e\n\u003cli\u003eGenuine Hooligan 170i\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation location:\u003c\/strong\u003e part #11 on the cylinder crankshaft diagram for the Buddy 170i; part #11 on the crankshaft diagram for the Hooligan 170i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136192708665,"sku":"TT-18845","price":11.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-ring-2-for-genuine-buddy-170i-hooligan-1.webp?v=1794354468"},{"product_id":"oem-40mm-piston-ring-for-genuine-buddy-50-roughhouse-50","title":"OEM 40mm Piston Ring for Genuine Buddy 50 \u0026 Roughhouse 50","description":"\u003ch2\u003e40mm Piston Ring for Buddy 50 and Roughhouse 50 Scooters\u003c\/h2\u003e\u003cp\u003eThis OEM piston ring is made for 40mm cylinder bores and helps bring back compression when you are doing a top-end rebuild. It works with a range of machines, among them the Buddy 50 and Roughhouse 50, so your scooter should run more consistently. Like other \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy scooter parts\u003c\/a\u003e, it sits in the same spot as the original ring, which keeps the job simple.\u003c\/p\u003e\u003ch3\u003eFunction and Build\u003c\/h3\u003e\u003cp\u003eThe ring has a split design that seats into the piston groove and holds compression in, which helps the engine run more smoothly. When a ring wears out or gets damaged, it can cause performance problems, so swapping it out is the fix. Checking the piston ring on a regular basis helps a two-stroke engine last longer and work more efficiently.\u003c\/p\u003e\u003ch3\u003eFitting Notes\u003c\/h3\u003e\u003cp\u003eSwapping the ring is a simple job that means taking off the cylinder head and piston. Make sure the new ring settles correctly into the piston groove so the engine keeps its performance. A full replacement needs two rings, so it is worth buying a spare one to keep on hand.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Piston ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Bore Application:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Diameter:\u003c\/strong\u003e 42mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressed Diameter:\u003c\/strong\u003e 39.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter:\u003c\/strong\u003e 38.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Thickness:\u003c\/strong\u003e 1.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Width:\u003c\/strong\u003e 1.75mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Supplied:\u003c\/strong\u003e One ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e Two rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Buddy 50, Genuine Rattler 50 and Genuine Roughhouse 50 (40mm bore, 2-stroke)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Buddy 50\u003c\/li\u003e\n\u003cli\u003eGenuine Rattler 50\u003c\/li\u003e\n\u003cli\u003eGenuine Roughhouse 50 (includes Sport)\u003c\/li\u003e\n\u003cli\u003eGenuine Black Cat 50\u003c\/li\u003e\n\u003cli\u003eYamaha Jog 50cc two-stroke (matching piston-ring dimensions)\u003c\/li\u003e\n\u003cli\u003eMinarelli 50cc two-stroke (matching 40mm-bore piston and ring dimensions)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm the cylinder bore is 40mm and that the piston ring groove dimensions match before you order. A full set takes two rings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #18 on the cylinder diagram for the Buddy 50; part #18 on the cylinder diagram for the Rattler 50; part #18 on the cylinder diagram for the Roughhouse 50.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136192806969,"sku":"TT-18848","price":7.18,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-40mm-piston-ring-for-genuine-buddy-50-roughhouse-50-1.jpg?v=1794354470"},{"product_id":"genuine-scooter-oem-piston-ring-1-c5067310000","title":"Genuine Scooter OEM Piston Ring (1) C5067310000","description":"\u003ch2\u003eGenuine OEM Piston Ring for Scooters\u003c\/h2\u003e\u003cp\u003eThis OEM piston ring is built to help your scooter's engine run as it should. It seals the combustion chamber, which helps limit oil use and smoke. Restoring proper compression and overall engine operation is its main job. It belongs to the \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine scooter parts\u003c\/a\u003e range and is made to fit precisely and work dependably.\u003c\/p\u003e\u003ch3\u003ePurpose of This Part\u003c\/h3\u003e\u003cp\u003ePiston rings keep the combustion chamber sealed. As they wear, you might see more oil being burned and smoke leaving the exhaust, which are signs it's time to swap them out. Matching the piston size, pin dimensions, and oversize is essential for the ring to perform properly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Buddy 150\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGenuine Buddy 150\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #6 on the crankshaft diagram for the Buddy 150.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136193265721,"sku":"TT-18852","price":8.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-ring-1-c5067310000-for-genuine-scooters-1.webp?v=1794354477"},{"product_id":"genuine-rattler-110-oem-scooter-co-piston-wrist-pin","title":"Genuine Rattler 110 OEM Scooter Co. Piston Wrist Pin","description":"\u003ch2\u003eOEM Piston Wrist Pin for Genuine Scooters\u003c\/h2\u003e\u003cp\u003eThe Genuine Rattler 110 OEM Scooter Co. Piston Wrist Pin plays an important role in keeping the engine running well. It is made to suit specific scooter models, so it lines up correctly and works dependably. As with many \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine scooter parts\u003c\/a\u003e, installation is simple, which makes it a practical choice for home repairs. Swapping out a worn wrist pin can help bring back compression and cut down on oil use.\u003c\/p\u003e\u003ch3\u003eWhen to Replace It\u003c\/h3\u003e\u003cp\u003eThink about replacing the piston wrist pin if the scooter shows low compression, uses more oil than usual, or puffs smoke from the exhaust. Worn piston rings can cause these same problems, and it matters that the wrist pin size matches your cylinder to keep the engine performing properly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Rattler 110\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGenuine Rattler 110\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136193429561,"sku":"TT-18856","price":3.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-scooter-co-piston-wrist-pin-for-genuine-rattler-110-1.png?v=1794354481"},{"product_id":"genuine-buddy-150-blur-150-oem-piston-pin","title":"Genuine Buddy 150 \/Blur 150 OEM Piston Pin","description":"\u003ch2\u003eGenuine Piston Pin for Buddy 150 and Blur 150 Scooters\u003c\/h2\u003e\u003cp\u003eThis piston pin is built for the Buddy 150 and Blur 150 models and contributes to how the engine runs. Keeping it in good shape is important for your scooter to operate properly. Swapping it out may be needed if you notice smoke, heavy oil use, or weak compression. As with other \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy scooter parts\u003c\/a\u003e, make sure the pin size and piston diameter suit your cylinder so it fits correctly.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eConsider changing the piston pin when your engine shows signs of wear. Worn piston rings can cause oil leaks, smoke, and lower compression, which all reduce how well your scooter performs. Choosing a part that matches your cylinder will help bring back your engine's efficiency.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Buddy 150, Blur 150\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Buddy 150\u003c\/li\u003e\n\u003cli\u003eGenuine Blur 150\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #5 on the crankshaft diagram for the Buddy 150.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136193593401,"sku":"TT-18860","price":6.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-pin-for-genuine-buddy-150-blur-150-1.webp?v=1794354487"},{"product_id":"royal-alloy-gt150-oem-piston-pin-7x10x29-2","title":"Royal Alloy GT150 OEM Piston Pin 7X10X29.2","description":"\u003ch2\u003eOEM Piston Pin for Royal Alloy GT150\u003c\/h2\u003e\u003cp\u003eThis piston pin is made to suit the Royal Alloy GT150 specifically, so it lines up properly with your engine. It sits in the combustion chamber alongside the pistons and rings and helps keep everything working together. When worn rings are swapped out, this part can help avoid problems like smoke, heavy oil use, and poor compression. It belongs to the \u003ca href=\"\/collections\/royal-alloy-parts\"\u003erange of Royal Alloy scooter parts\u003c\/a\u003e that a home mechanic can usually fit without special tools, which makes it a sensible option for do-it-yourself work.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003eRings that have worn out can cause real engine trouble, such as visible smoke and reduced efficiency. Installing a new piston pin helps restore a good seal inside the combustion chamber, and that improves how the engine runs.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 7X10X29.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Royal Alloy GT150\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eRoyal Alloy GT150\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #4 on the crank shaft diagram for the GT150.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/royal-alloy-parts\"\u003eRoyal Alloy Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136193724473,"sku":"TT-18863","price":2.68,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-pin-7x10x29-2-for-royal-alloy-gt150-1.png?v=1794354494"},{"product_id":"genuine-g400-oem-piston","title":"Genuine G400 OEM Piston","description":"\u003ch2\u003eG400 Piston for Your Scooter\u003c\/h2\u003e\u003cp\u003eThe G400 piston is a core engine part made for scooter motors. It helps seal the combustion chamber, which supports solid engine output. Among \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003egenuine scooter parts\u003c\/a\u003e, it has a noticeable effect on how efficiently your vehicle runs. Keeping up with routine checks and replacing this component when needed can help prevent problems such as heavy smoke and high oil use.\u003c\/p\u003e\u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\u003cp\u003ePistons and rings work together to keep the engine running as it should. When piston rings wear down, you may notice smoke, higher oil consumption, and lower compression, all of which can cut into performance. Matching the piston size, pin dimensions, and oversize choice to your cylinder is key to dependable operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard, 1st or 2nd oversize\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine G400\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGenuine G400\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e part #1 on the piston and piston rings kit diagram for the G400.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136193986617,"sku":"TT-18867","price":24.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-for-genuine-g400-1.png?v=1794354505"},{"product_id":"genuine-blur-220i-oem-piston","title":"Genuine Blur 220i OEM Piston","description":"\u003ch2\u003eGenuine OEM Piston for the Blur 220i Scooter\u003c\/h2\u003e\u003cp\u003eThis original-equipment piston is built for the Genuine Blur 220i and helps keep the combustion chamber properly sealed, which supports steady engine operation. It is one of the \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine scooter parts\u003c\/a\u003e that directly affects how a scooter rides and how long the engine lasts. A worn piston can cause smoke, higher oil use, and lower compression, so swapping in a new one can address those problems.\u003c\/p\u003e\u003ch3\u003eRole of This Part\u003c\/h3\u003e\u003cp\u003eThe piston and its rings work together to seal the combustion area. As they wear, oil consumption tends to climb and the engine may start to lose performance. Getting the piston diameter and pin size to match your cylinder is essential for it to work correctly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard, 1st over, or 2nd over\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Blur 220i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGenuine Blur 220i\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eLocation:\u003c\/strong\u003e refer to part #10 in the cylinder and crankshaft diagram for the Blur 220i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse related items:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136194150457,"sku":"TT-18873","price":157.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-for-genuine-blur-220i-1.webp?v=1794354504"},{"product_id":"genuine-g400-oem-pin-piston","title":"Genuine G400 OEM Pin, Piston","description":"\u003ch2\u003eOEM Pin and Piston for G400 Scooter\u003c\/h2\u003e\u003cp\u003eThis genuine G400 OEM pin and piston assembly is made to fit particular models, giving you an exact-match replacement for your scooter. It works as a key part in sealing the combustion chamber. \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eBrowse genuine scooter parts\u003c\/a\u003e such as this one to help keep the engine running well and operating efficiently.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eWhen the piston or its rings wear down, you may see heavy smoke, oil use going up, and lower engine compression. If these problems show up, swapping out the piston and pin may bring the engine back to proper working order.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Match to cylinder dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Combustion chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine G400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e G400 OEM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGenuine G400\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eLocation on diagram:\u003c\/strong\u003e part #2 on the piston and piston rings kit diagram for the G400.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore related parts:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-hardware\"\u003eScooter Bolts, Screws \u0026amp; Hardware\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136194904121,"sku":"TT-18892","price":2.45,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-pin-piston-for-genuine-g400-1.jpg?v=1794354535"},{"product_id":"oem-piston-for-genuine-urbano-200i-rattler-200i","title":"OEM Piston for Genuine Urbano 200i, Rattler 200i","description":"\u003ch2\u003eReplacement OEM Piston for Urbano 200i and Rattler 200i Scooters\u003c\/h2\u003e\u003cp\u003eThis original-equipment piston is made for the Urbano 200i and Rattler 200i scooters. Its job is to seal the combustion chamber so the engine runs as it should. You can find it among \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine scooter parts\u003c\/a\u003e that help keep your scooter running efficiently. If you notice heavy smoke or weak compression, this piston may be what your ride needs.\u003c\/p\u003e\u003ch3\u003eSigns It May Need Replacing\u003c\/h3\u003e\u003cp\u003ePiston rings work with the piston to keep the combustion chamber sealed. Once those rings wear down, oil can start getting burned and more smoke can come out of the exhaust. If you see these symptoms, swapping out the piston is a sensible step to protect the engine.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Rattler 200i, Urbano 200i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Rattler 200i\u003c\/li\u003e\n\u003cli\u003eGenuine Urbano 200i\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eLocation:\u003c\/strong\u003e Shown as part #3 on the crankshaft diagram for the Rattler 200i; shown as part #3 on the crankshaft diagram for the Urbano 200i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse related items:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136195133497,"sku":"TT-18899","price":27.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-for-genuine-urbano-200i-rattler-200i-1.webp?v=1794354545"},{"product_id":"oem-piston-ring-set-for-genuine-rattler-125-urbano-125","title":"OEM Piston Ring Set for Genuine Rattler 125, Urbano 125","description":"\u003ch2\u003ePiston Ring Set Compatible with Rattler 125 and Urbano 125\u003c\/h2\u003e\u003cp\u003eThis piston ring set is made for the Genuine Rattler 125 and Urbano 125 scooters. Its job is to seal the combustion chamber so the engine runs as it should. Like other \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine scooter parts\u003c\/a\u003e, it is simple to fit and can help with problems such as heavy smoke and high oil use. Swapping out worn rings can also bring back compression and improve how efficiently the engine runs.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003ePiston rings are due for replacement once they begin to wear out, which may show up as more oil being burned and visible smoke from the engine. Paying attention to how the engine performs will make it clear when a new set is needed to keep things working properly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Rattler 125, Urbano 125\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Rattler 125\u003c\/li\u003e\n\u003cli\u003eGenuine Urbano 125\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation location:\u003c\/strong\u003e part #2 on the crankshaft diagram for the Rattler 125; part #2 on the crankshaft diagram for the Urbano 125.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136195264569,"sku":"TT-18903","price":12.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-ring-set-for-genuine-rattler-125-urbano-125-1.webp?v=1794354552"},{"product_id":"genuine-buddy-150-blur-oem-piston-ring-2","title":"Genuine Buddy 150\/Blur OEM Piston Ring (2)","description":"\u003ch2\u003eGenuine OEM Piston Ring Set for Buddy 150 and Blur Scooters\u003c\/h2\u003e\u003cp\u003eThis original-equipment piston ring set is made for the Genuine Buddy 150 and Blur models. Its main job is to seal the combustion chamber so the engine runs as it should. As with other \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy scooter parts\u003c\/a\u003e, swapping it in is fairly simple, so it suits home mechanics who like to do their own work. Rings that have worn down can cause heavy exhaust smoke, higher oil use, and lower compression, so replacing them promptly matters.\u003c\/p\u003e\u003ch3\u003eSigns It Needs Replacing\u003c\/h3\u003e\u003cp\u003eConsider changing the piston rings if you see oil leaking, smoke coming from the exhaust, or a drop in engine power. Low compression can also point to worn rings that should be replaced with new ones.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Buddy 150, Blur\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Buddy 150\u003c\/li\u003e\n\u003cli\u003eGenuine Blur\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eLocation:\u003c\/strong\u003e part #7 on the crankshaft diagram for the Buddy 150.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-buddy-parts\"\u003eGenuine Buddy Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136195362873,"sku":"TT-18906","price":7.18,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-ring-2-for-genuine-buddy-150-blur-1.jpg?v=1794354554"},{"product_id":"genuine-blur-220i-oem-piston-ring-1","title":"Genuine Blur 220i OEM Piston Ring 1","description":"\u003ch2\u003eReplacement Piston Ring for Blur 220i\u003c\/h2\u003e\u003cp\u003eThis genuine OEM piston ring is made for the Blur 220i and helps create a tight seal inside the combustion chamber. Worn rings can lead to higher oil use, visible smoke, and lower engine compression. It is one of the \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine scooter parts\u003c\/a\u003e that you can swap out without much hassle to bring back your engine's performance. For the best outcome, confirm that the piston diameter and pin size match.\u003c\/p\u003e\u003ch3\u003eFunction of This Part\u003c\/h3\u003e\u003cp\u003ePiston rings are essential for sealing off the combustion chamber. Once they wear down, they can cause serious engine problems such as heavy smoke, greater oil consumption, and reduced compression. Checking them regularly and replacing them when needed helps keep the engine running well.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e OEM Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Combustion chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 220i Piston Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Genuine Blur 220i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGenuine Blur 220i\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eLocation:\u003c\/strong\u003e part #13 on the cylinder and crankshaft diagram for the Blur 220i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/genuine-scooter-parts\"\u003eGenuine Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-pistons-rings\"\u003eScooter Pistons \u0026amp; Piston Rings\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51136195493945,"sku":"TT-18910","price":6.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/oem-piston-ring-1-for-genuine-blur-220i-1.webp?v=1794354561"}],"url":"https:\/\/www.trendtimes.com\/collections\/scooter-pistons-rings.oembed?page=3","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}