{"product_id":"namura-020-over-bore-top-end-kit-for-yamaha-kodiak-grizzly-400-2000-2008-85mm","title":"Namura .020 Over Bore Top End Kit for Yamaha Kodiak \u0026 Grizzly 400 2000-2008 85mm","description":"\u003ch2\u003eNamura .020 Over Bore Top End Kit for Yamaha Kodiak \u0026amp; Grizzly 400\u003c\/h2\u003e\u003cp\u003eThis Namura .020 over bore top end kit includes a piston, rings, pin, and gaskets designed to restore compression and performance for Yamaha Kodiak and Grizzly 400 ATVs from 2000 to 2008 with an 85mm bore size.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .020 over bore top end kit is a direct replacement for worn-out top ends on Yamaha Kodiak and Grizzly 400 engines. It provides the necessary components to rebuild the cylinder with a .020 oversize piston, ensuring a tight seal and renewed power output. This kit is ideal for riders and mechanics performing an engine rebuild on these popular ATV models.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined piston with .020 over bore for accurate fit\u003c\/li\u003e\n\u003cli\u003eHigh-strength rings for optimal compression and oil control\u003c\/li\u003e\n\u003cli\u003eIncludes wrist pin and circlips for secure assembly\u003c\/li\u003e\n\u003cli\u003eComplete gasket set for a reliable seal during installation\u003c\/li\u003e\n\u003cli\u003eDesigned to match OEM specifications for Yamaha 400 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Kodiak 400 (2000-2008)\u003c\/li\u003e\n\u003cli\u003efor Yamaha Grizzly 400 (2000-2008)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding and off-road adventures requiring dependable engine performance\u003c\/li\u003e\n\u003cli\u003eUtility work such as hauling or plowing where low-end torque is essential\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds during routine maintenance or after top-end failure\u003c\/li\u003e\n\u003cli\u003eRestoring an older ATV to like-new condition\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\u003e85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Kodiak \u0026amp; Grizzly 400 (2000-2008)\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, pin, circlips, gaskets\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 stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this .020 over bore kit is designed for cylinders that have been bored to 85mm to accept the oversized piston. Your cylinder must be machined to the correct dimension before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need any additional parts for the rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e You may need a new cylinder if the original is damaged beyond boring, as well as fresh engine oil and coolant. Always inspect the cylinder bore before ordering the oversized piston.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44949787934806,"sku":"SZ1F14935","price":252.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_bb2b2e2b-ba77-44f7-bd4e-89f7734b43e6.jpg?v=1781399073","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-top-end-kit-for-yamaha-kodiak-grizzly-400-2000-2008-85mm","provider":"Solid Spare","version":"1.0","type":"link"}