{"product_id":"namura-020-over-bore-top-end-rebuild-kit-for-kawasaki-kx250-1993-2003-66-9mm","title":"Namura .020 Over Bore Top End Rebuild Kit for Kawasaki KX250 1993-2003 66.9mm","description":"\u003ch2\u003eNamura .020 Over Bore Top End Rebuild Kit for Kawasaki\u003c\/h2\u003e\u003cp\u003eThis top end rebuild kit is designed for a .020 over bore (66.9mm) on Kawasaki KX250 engines from 1993 to 2003. It includes a piston, rings, pin, and circlips to refresh a worn cylinder that has been bored to .020 oversize.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .020 Over Bore Top End Rebuild Kit provides a complete piston assembly for Kawasaki KX250 models, sized at 66.9mm to match a .020 overbore. This top end kit is essential for riders rebuilding a cylinder that cannot use a standard bore piston. With all needed components, this top end rebuild kit simplifies the engine overhaul process.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes piston, rings, pin, and circlips for .020 over bore\u003c\/li\u003e\n\u003cli\u003e66.9mm diameter for 1993-2003 KX250\u003c\/li\u003e\n\u003cli\u003eDurable aluminum alloy piston casting\u003c\/li\u003e\n\u003cli\u003eMolybdenum-coated wrist pin for reduced wear\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves for stable compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Kawasaki KX250 (1993-2003) with .020 overbore\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCylinder boring and engine rebuild services\u003c\/li\u003e\n\u003cli\u003eMotocross racing after cylinder damage\u003c\/li\u003e\n\u003cli\u003eOff-road trail riding with high-hour engines\u003c\/li\u003e\n\u003cli\u003eCompetition engine refresh between seasons\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\u003e66.9mm (.020 over)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020 Over Bore Rebuild Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKawasaki KX250 1993-2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\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 require my cylinder to be bored to .020 over? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this kit is intended for a cylinder that has been professionally bored to 66.9mm. Do not use in a stock bore cylinder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What other parts should I replace when using this kit? \u003cstrong\u003eA:\u003c\/strong\u003e Replace the wrist pin bearing and cylinder gaskets. Also check the piston-to-cylinder clearance and ring end gap before assembly.\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":44949749071958,"sku":"SZ1F13997","price":191.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_e3b31ba7-aa34-439f-a7cb-786267f9eebb.jpg?v=1781397919","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-top-end-rebuild-kit-for-kawasaki-kx250-1993-2003-66-9mm","provider":"Solid Spare","version":"1.0","type":"link"}