{"product_id":"namura-standard-bore-top-end-kit-size-a-for-kawasaki-kx250-fits-1993-2003-66-4mm","title":"Namura Standard Bore Top End Kit Size A for Kawasaki KX250 fits 1993-2003 66.4mm","description":"\u003ch2\u003eNamura Standard Bore Top End Kit Size A for Kawasaki\u003c\/h2\u003e\u003cp\u003eThis top end kit includes a piston, rings, pin, and circlips for rebuilding the cylinder on Kawasaki KX250 models from 1993 to 2003. Designed as a standard bore (66.4mm) replacement, this top end kit restores compression and performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Standard Bore Top End Kit Size A is a direct-fit replacement for Kawasaki KX250 engines, featuring a 66.4mm piston and all necessary components. This top end kit is ideal for riders needing a reliable rebuild without oversizing the cylinder. With precise machining, this top end kit ensures consistent power delivery.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes piston, rings, pin, and circlips\u003c\/li\u003e\n\u003cli\u003e66.4mm standard bore size for 1993-2003 KX250\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy piston\u003c\/li\u003e\n\u003cli\u003eChrome-plated piston rings for reduced friction\u003c\/li\u003e\n\u003cli\u003ePrecise tolerances for minimal break-in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Kawasaki KX250 (1993-2003)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross track riding\u003c\/li\u003e\n\u003cli\u003eTrail and off-road use\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds and top-end overhauls\u003c\/li\u003e\n\u003cli\u003eCompetition and recreational riding\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\u003e66.4mm\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\u003eSize A (Standard Bore)\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 Is this kit compatible with a stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the standard bore 66.4mm piston is designed for a stock cylinder that has not been overbored. Always measure the cylinder before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace anything else during installation? \u003cstrong\u003eA:\u003c\/strong\u003e It is recommended to replace the wrist pin bearing and inspect the cylinder for wear. Use fresh gaskets and seals for a proper rebuild.\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":44949749039190,"sku":"SZ1F13996","price":191.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_758dd4e7-13a3-4f67-8565-b614210ccc41.jpg?v=1781397917","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-kit-size-a-for-kawasaki-kx250-fits-1993-2003-66-4mm","provider":"Solid Spare","version":"1.0","type":"link"}