{"product_id":"namura-020-over-bore-piston-kit-for-yamaha-grizzly-600-fits-1998-2001-95-5mm","title":"Namura .020 Over Bore Piston Kit for Yamaha Grizzly 600 fits 1998-2001 95.5mm","description":"\u003ch2\u003eNamura .020 Over Bore Piston Kit for Yamaha Grizzly 600\u003c\/h2\u003e\u003cp\u003eThis Namura .020 over bore piston kit is designed for Yamaha Grizzly 600 ATVs manufactured between 1998 and 2001, providing a direct replacement piston with a 95.5mm bore size to restore engine compression and performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eNamura .020 over bore piston kit for Yamaha Grizzly 600 is an aftermarket piston assembly that increases the engine displacement slightly while maintaining reliability. This kit includes the piston, rings, wrist pin, and circlips for a complete top-end overhaul. It is intended for ATV owners rebuilding the engine of their Grizzly 600.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCast aluminum alloy piston with reinforced skirt for durability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to .020 over factory bore size (95.5mm)\u003c\/li\u003e\n\u003cli\u003eIncludes high-quality piston rings for proper sealing\u003c\/li\u003e\n\u003cli\u003eWrist pin and circlips included for complete installation\u003c\/li\u003e\n\u003cli\u003eEngineered to match OEM specifications for Yamaha Grizzly 600\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Grizzly 600 (1998-2001)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eATV trail riding and utility work\u003c\/li\u003e\n\u003cli\u003eEngine rebuild after worn piston or cylinder bore damage\u003c\/li\u003e\n\u003cli\u003ePerformance restoration for aging Grizzly 600 engines\u003c\/li\u003e\n\u003cli\u003eOff-road 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\u003e95.5mm\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 inch (0.51mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Grizzly 600 (1998-2001)\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, 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 Does this piston kit require cylinder boring? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, because it is .020 over size, the cylinder must be bored to 95.5mm to ensure proper clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What break-in procedure is recommended? \u003cstrong\u003eA:\u003c\/strong\u003e Follow a standard piston ring break-in with varying loads and avoid prolonged idle for the first hour of operation.\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":44890812678230,"sku":"SZ1F13334","price":164.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_0478f950-7dfe-48ba-8b8f-bb83c2c86c80.jpg?v=1781143990","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-kit-for-yamaha-grizzly-600-fits-1998-2001-95-5mm","provider":"Solid Spare","version":"1.0","type":"link"}