{"product_id":"namura-standard-bore-piston-kit-size-b-96-96mm-for-yamaha-yz450fx-2021-2023-97mm","title":"Namura Standard Bore Piston Kit Size B 96.96mm for Yamaha YZ450FX 2021-2023 97mm","description":"\u003ch2\u003eStandard Bore Piston Kit Size B 96.96mm for Yamaha YZ450FX 2021-2023\u003c\/h2\u003e\u003cp\u003eThis standard bore piston kit is a direct replacement for the Yamaha YZ450FX, delivering OEM-grade compression and power restoration for 2021-2023 models.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura standard bore piston kit provides a reliable top-end rebuild solution for the Yamaha YZ450FX. This size B 96.96mm piston ensures a precise fit without cylinder boring. It is designed for riders maintaining their high-performance dirt bikes between overhauls.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined from high-strength aluminum alloy\u003c\/li\u003e\n\u003cli\u003eIncludes rings, wrist pin, and circlips for a complete kit\u003c\/li\u003e\n\u003cli\u003eSized to fit stock cylinder bore within service limits\u003c\/li\u003e\n\u003cli\u003eHeat-treated for improved strength and longevity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha YZ450FX 2021-2023\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross racing\u003c\/li\u003e\n\u003cli\u003eOff-road trail riding\u003c\/li\u003e\n\u003cli\u003eEnduro competition\u003c\/li\u003e\n\u003cli\u003eEngine rebuilding and top-end refresh\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore Piston Kit Size B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96.96mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinal Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e97mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ450FX 2021-2023\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\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this piston kit compatible with the stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, as a standard bore kit it fits the stock cylinder provided the cylinder is within wear limits and not damaged.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is included in this kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the piston, piston rings, wrist pin, and circlips for a complete top end rebuild.\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":44949796585558,"sku":"SZ1F15151","price":263.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_d59dab68-5dc5-41aa-8be2-91b2e97e2344.jpg?v=1781399380","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-kit-size-b-96-96mm-for-yamaha-yz450fx-2021-2023-97mm","provider":"Solid Spare","version":"1.0","type":"link"}