{"product_id":"namura-020-over-bore-piston-gasket-kit-for-kymco-2005-2010-300-atv-s-73-2mm","title":"Namura .020 Over Bore Piston \u0026 Gasket Kit for KYMCO 2005-2010 300 ATV's 73.2mm","description":"\u003ch2\u003e.020 Over Bore Piston \u0026amp; Gasket Kit for Namura for KYMCO 2005-2010 300 ATV's\u003c\/h2\u003e\u003cp\u003eThis .020 over bore piston and gasket kit is a direct replacement for KYMCO 300 ATV engines from 2005 to 2010, providing a precise fit for a 73.2mm bore. It includes the piston, rings, and all necessary gaskets for a complete upper engine overhaul. OEM cross-reference numbers are not listed, but this kit is specifically designed for the 300cc KYMCO platform.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .020 over bore piston and gasket kit is designed for rebuilding KYMCO 300 ATV engines, restoring compression and performance. This kit contains a 73.2mm piston with rings and a full set of gaskets for a complete top-end refresh. It is an ideal solution for worn cylinders that require an oversized piston to achieve proper clearance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e.020 over bore size (0.5mm) for worn cylinder restoration\u003c\/li\u003e\n\u003cli\u003eIncludes piston, rings, wrist pin, and complete gasket set\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy piston for durability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for exact fit in KYMCO 300 engines\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to OEM replacement parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor KYMCO 300 ATV (2005-2010)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine rebuilding after bore wear or damage\u003c\/li\u003e\n\u003cli\u003eRestoring power and compression in high-mileage ATVs\u003c\/li\u003e\n\u003cli\u003eTrail riding and utility work requiring reliable engine performance\u003c\/li\u003e\n\u003cli\u003eDIY mechanic and professional shop repairs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e73.2mm (.020 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, Rings, Wrist Pin, Gasket Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Namura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2005-2010 KYMCO 300 ATV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit come with a new wrist pin bearing? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the wrist pin, but does not include a separate bearing; the pin fits directly into the piston and connecting rod.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is cylinder honing required before installation? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the cylinder should be honed to the proper crosshatch pattern for the new .020 over piston to ensure ring seating and oil control.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44949789016150,"sku":"SZ1F14965","price":252.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_e20e93cc-e9f4-4cd0-b834-8bc9ad704868.jpg?v=1781399122","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-gasket-kit-for-kymco-2005-2010-300-atv-s-73-2mm","provider":"Solid Spare","version":"1.0","type":"link"}