{"product_id":"scooterworks-big-bore-kit-63mm-180cc-gy6-150-1100-1438","title":"Scooterworks Big Bore Kit (63mm, 180cc); GY6 150","description":"\u003cp\u003eScooterworks Big Bore Kit (63mm, 180cc) for 150cc GY6 engines. Upgrades to 180cc based on a stock stroke of 57.8mm!\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 164-310\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNOTE: \u003c\/strong\u003eYou may need to modify your engine case to accommodate the larger cylinder; the engine boring tool is available online (\u003ca href=\"https:\/\/www.scooterworks.com\/products\/ssp-g-engine-case-boring-tool\" title=\"engine case boring tool gy6\"\u003eSKU 202-37\u003c\/a\u003e).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes cylinder, piston, pin, circlips, rings, head gasket and base gasket\u003c\/li\u003e\n\u003cli\u003eUpgrades to 180cc\u003c\/li\u003e\n\u003cli\u003eBore: 63mm\u003c\/li\u003e\n\u003cli\u003eOverall Height: 90.5mm\u003c\/li\u003e\n\u003cli\u003eCylinder Sleeve Outer Diameter: 64.9mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003e157QMJ-based 125cc \/ 150cc \/ 169cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%; height: 92.3437px;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e161QMK\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e152QMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P61QMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5781px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eYN1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e1P52FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003e154FMI\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 26.5781px;\"\u003eJJ157QMJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003e1P57QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN157QMJ\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eBN161QMK-A\u003c\/td\u003e\n\u003ctd style=\"width: 24.7892%; height: 39.1875px;\"\u003eOther QMJ, QMK, and QMI models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", this product is compatible with your vehicle.\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eAbout Scooterworks:\u003c\/b\u003e Since our beginning in 1989, Scooterworks has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.\u003c\/p\u003e","brand":"Scooterworks","offers":[{"title":"Default Title","offer_id":47670928277669,"sku":"1100-1438","price":127.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/2627\/1141\/files\/1100-1438_241b98e9-e9ac-43df-a562-11cf29d1b320.jpg?v=1774953239","url":"https:\/\/classicscootersusa.com\/products\/scooterworks-big-bore-kit-63mm-180cc-gy6-150-1100-1438","provider":"Classic Scooters USA","version":"1.0","type":"link"}