{"product_id":"namura-standard-bore-piston-rings-for-yamaha-2003-2009-yz450f-2003-2015-wr450f","title":"Namura Standard Bore Piston Rings for Yamaha 2003-2009 YZ450F \u0026 2003-2015 WR450F","description":"\u003ch2\u003eNamura Standard Bore Piston Rings for Yamaha\u003c\/h2\u003e\u003cp\u003eThese Namura Standard Bore Piston Rings for Yamaha provide reliable compression and oil control for YZ450F and WR450F engines, ensuring proper sealing and reduced blow-by in high-performance dirt bikes.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Standard Bore Piston Rings are designed for Yamaha YZ450F and WR450F models from 2003 to 2009 and 2003 to 2015 respectively. They serve as a direct replacement for worn OEM rings, restoring engine performance. These rings are ideal for off-road enthusiasts and racers rebuilding their top end.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard bore diameter for OEM replacement\u003c\/li\u003e\n\u003cli\u003eHigh-quality steel alloy construction\u003c\/li\u003e\n\u003cli\u003eDesigned for improved ring seal and durability\u003c\/li\u003e\n\u003cli\u003eIncludes top and second compression rings plus oil ring\u003c\/li\u003e\n\u003cli\u003eCompatible with stock pistons and cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ450F 2003-2009\u003c\/li\u003e\n\u003cli\u003efor Yamaha WR450F 2003-2015\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding and enduro competitions\u003c\/li\u003e\n\u003cli\u003eMotocross track days\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds and top-end overhauls\u003c\/li\u003e\n\u003cli\u003eGeneral off-road 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\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNamura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ450F\/WR450F\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 Can these rings be used with oversized pistons?\u003cstrong\u003eA:\u003c\/strong\u003e No, these are standard bore rings designed for a standard bore cylinder and piston.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do they come with a gap specification?\u003cstrong\u003eA:\u003c\/strong\u003e Yes, new rings should be installed with the recommended end gap per the Yamaha service manual.\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":44847192473686,"sku":"SZ1F05413","price":48.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_3e2052d4-a0ab-4dc2-812e-10ff2ad68af9.jpg?v=1781059369","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-rings-for-yamaha-2003-2009-yz450f-2003-2015-wr450f","provider":"Solid Spare","version":"1.0","type":"link"}