{"product_id":"namura-020-over-bore-piston-kit-for-kawasaki-kx250-1992-2004-66-9mm-nx-20025-2","title":"Namura .020 Over Bore Piston Kit for Kawasaki KX250 1992-2004 66.9mm NX-20025-2","description":"\u003ch2\u003eNamura .020 Over Bore Piston Kit for Kawasaki\u003c\/h2\u003e\u003cp\u003eThis Namura .020 over bore piston kit is a high-performance replacement for Kawasaki KX250 motorcycles, designed to restore compression and power with an oversized 66.9mm piston; it cross-references OEM part number NX-20025-2.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .020 over bore piston kit provides a direct-fit replacement for the Kawasaki KX250, delivering reliable performance and improved cylinder sealing. This 66.9mm piston kit is engineered for 1992-2004 models, making it an ideal choice for rebuilding or upgrading the top end of your KX250 engine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined from high-strength aluminum alloy for durability\u003c\/li\u003e\n\u003cli\u003e.020 over bore size allows cylinder reconditioning while maintaining close tolerances\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings, wrist pin, and pin clips for a complete top-end rebuild\u003c\/li\u003e\n\u003cli\u003eDesigned to match stock compression ratio for consistent power delivery\u003c\/li\u003e\n\u003cli\u003eHeat-treated and skirt-coated for reduced friction and longer service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Kawasaki KX250 (1992-2004)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross and off-road racing where top-end rebuilds are routine\u003c\/li\u003e\n\u003cli\u003eTrail riding and enduro competitions requiring reliable engine performance\u003c\/li\u003e\n\u003cli\u003eEngine rebuild projects for restoring vintage Kawasaki KX250 models\u003c\/li\u003e\n\u003cli\u003ePerformance-oriented maintenance to refresh worn cylinder bores\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNX-20025-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e66.9mm (.020 over bore)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKawasaki KX250 1992-2004\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 piston kit compatible with a standard bore cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a .020 over bore piston, so your cylinder must be bored to match the 66.9mm diameter. Always have a professional measure your cylinder before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the kit include a wrist pin bearing? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the wrist pin and pin clips, but you may need to reuse your existing wrist pin bearing if it is in good condition.\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":44890648215638,"sku":"SZ1F12229","price":142.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_dd120b60-f403-4ab7-a8ba-236abbc5a5a7.jpg?v=1781142461","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-kit-for-kawasaki-kx250-1992-2004-66-9mm-nx-20025-2","provider":"Solid Spare","version":"1.0","type":"link"}