{"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","url":"https:\/\/www.trendtimes.com\/products\/performance-gy6-50cc-139qmb-72cc-47mm-piston-kit-with-rings","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}