{"product_id":"namura-040-over-bore-piston-kit-for-kawasaki-kfx400-2003-2006-models-91mm","title":"Namura .040 Over Bore Piston Kit for Kawasaki KFX400 2003-2006 models 91mm","description":"\u003ch2\u003eNamura .040 Over Bore Piston Kit for Kawasaki\u003c\/h2\u003e\u003cp\u003eThis Namura .040 over bore piston kit is a direct replacement oversized piston for Kawasaki KFX400 models 2003-2006, offering a 91mm bore to restore engine compression and power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Namura piston kit provides a .040 over bore (91mm) piston designed specifically for Kawasaki KFX400 ATVs from 2003 to 2006. It restores lost compression and performance after cylinder wear, making it an essential repair component for high-mileage engines. The kit includes the piston, rings, wrist pin, and circlips for a complete top-end rebuild.\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.040 over bore size (91mm) to clean up worn cylinder walls\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings, wrist pin, and circlips for complete installation\u003c\/li\u003e\n\u003cli\u003eDesigned for high-RPM operation without compromising reliability\u003c\/li\u003e\n\u003cli\u003eStrict quality control ensures consistent fit and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Kawasaki KFX400 2003\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KFX400 2004\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KFX400 2005\u003c\/li\u003e\n\u003cli\u003efor Kawasaki KFX400 2006\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\u003e91mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040 in (1.016mm)\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\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, Rings, Wrist Pin, Circlips\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 Will this piston kit work with my stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed for cylinders that have been bored to 91mm (.040 over), so your cylinder must be machined to accept this oversize piston. Confirm your cylinder's current bore before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include piston rings? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes a complete set of piston rings, wrist pin, and circlips for a full top-end rebuild. No additional parts are needed.\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":44890819887190,"sku":"SZ1F13368","price":164.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_c3ba444a-3886-469c-bb80-b46bb5be470a.jpg?v=1781144036","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-kit-for-kawasaki-kfx400-2003-2006-models-91mm","provider":"Solid Spare","version":"1.0","type":"link"}