{"product_id":"gy6-150cc-57-4mm-cylinder-kit","title":"GY6 150cc 57.4mm Cylinder Kit","description":"\u003ch2\u003e57.4mm Cylinder Kit for GY6 150cc Engines\u003c\/h2\u003e\u003cp\u003eThis cylinder kit is a replacement cylinder and piston set for 150cc GY6 4-stroke engines. It can help bring back lost compression or enlarge engine displacement for stronger output. It belongs to our range of \u003ca href=\"\/collections\/gy6-150cc-parts\"\u003eGY6 150cc scooter parts\u003c\/a\u003e and comes with the pieces needed for a full fitting. Check the bore size and engine code before ordering to confirm it suits your engine.\u003c\/p\u003e\u003ch3\u003ePurpose of This Part\u003c\/h3\u003e\u003cp\u003eMost people fit this kit when the original cylinder or piston has become worn and the engine is losing power. It is also an option for riders who want more output from a big bore conversion, though that setup may call for extra changes such as re-jetting.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 57.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Height:\u003c\/strong\u003e 90mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Sleeve Outer Diameter:\u003c\/strong\u003e 60.7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Pin Diameter:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Pin Length:\u003c\/strong\u003e 42mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 150cc 4-stroke engines (QMI\/QMJ 152\/157) with 57.4mm bore, various unlisted makes and models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 150cc 4-stroke engines (QMI\/QMJ 152\/157)\u003c\/li\u003e\n\u003cli\u003eVarious unlisted makes and models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Before purchasing, make sure your engine has a 57.4mm bore and a piston pin measuring 15mm in diameter by 42mm in length.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse further:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-150cc-parts\"\u003eGY6 150cc Scooter Parts (157QMJ)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-cylinder-kits\"\u003eScooter Big Bore \u0026amp; Cylinder Kits\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":51134435557433,"sku":"TT-15612","price":57.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/gy6-150cc-57-4mm-cylinder-kit-1.jpg?v=1794343878","url":"https:\/\/www.trendtimes.com\/products\/gy6-150cc-57-4mm-cylinder-kit","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}