{"product_id":"namura-standard-bore-piston-rings-for-yamaha-660-raptor-grizzly-rhino-100mm","title":"Namura Standard Bore Piston Rings for Yamaha 660 Raptor, Grizzly \u0026 Rhino 100mm","description":"\u003ch2\u003eNamura Standard Bore Piston Rings for Yamaha\u003c\/h2\u003e\u003cp\u003eThese standard bore piston rings measure 100mm and are designed for Yamaha 660 Raptor, Grizzly, and Rhino engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura standard bore piston rings are manufactured for Yamaha 660 Raptor, Grizzly, and Rhino models with a 100mm bore size. They provide a precise seal between piston and cylinder to maintain compression and reduce oil consumption. These rings are ideal for engine rebuilds or top-end refreshes on these popular Yamaha ATV and side-by-side vehicles.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard bore size of 100mm for OEM replacement\u003c\/li\u003e\n\u003cli\u003eMade from high-strength ductile iron for durability\u003c\/li\u003e\n\u003cli\u003ePrecision-ground faces for optimal cylinder sealing\u003c\/li\u003e\n\u003cli\u003eIncludes top and second ring for complete set\u003c\/li\u003e\n\u003cli\u003eTested for consistent tension and heat resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Raptor 660\u003c\/li\u003e\n\u003cli\u003efor Yamaha Grizzly 660\u003c\/li\u003e\n\u003cli\u003efor Yamaha Rhino 660\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding Yamaha 660 engines after wear or failure\u003c\/li\u003e\n\u003cli\u003eRestoring compression in high-mileage ATVs and UTVs\u003c\/li\u003e\n\u003cli\u003eTrail riding, farm work, and recreational use\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\u003e100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRing Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore Piston Rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNamura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Raptor 660, Grizzly 660, Rhino 660\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 Are these rings compatible with a stock Yamaha 660 piston? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, they are designed for standard bore OEM or aftermarket pistons with a 100mm diameter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to gap these rings before installation? \u003cstrong\u003eA:\u003c\/strong\u003e It is always recommended to check ring end gap according to your engine specifications and file-fit if needed for proper clearance.\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":44847212560470,"sku":"SZ1F05698","price":50.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_35686438-f196-4e34-a024-f7922d58ab4c.jpg?v=1781059774","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-rings-for-yamaha-660-raptor-grizzly-rhino-100mm","provider":"Solid Spare","version":"1.0","type":"link"}