{"product_id":"namura-standard-bore-piston-kit-size-c-96-97mm-for-yamaha-yz450fx-2021-2023-97mm","title":"Namura Standard Bore Piston Kit Size C 96.97mm for Yamaha YZ450FX 2021-2023 97mm","description":"\u003ch2\u003eStandard Bore Piston Kit Size C 96.97mm for Yamaha\u003c\/h2\u003e\u003cp\u003eThis is a Namura Standard Bore Piston Kit Size C 96.97mm designed to replace the factory piston in your Yamaha YZ450FX from 2021-2023, offering a direct-fit 97mm bore solution for restoring compression and performance. This Namura Standard Bore Piston Kit provides a reliable OEM replacement using premium materials and precise machining.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Standard Bore Piston Kit Size C 96.97mm is a direct replacement piston for the Yamaha YZ450FX 2021-2023 models, featuring a 97mm bore diameter. This piston kit restores lost compression and performance by replacing a worn or damaged factory piston, utilizing a forged aluminum design for strength and thermal stability. It is specifically sized as a \"C\" fitment to allow for proper cylinder clearance and reliable engine operation.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged aluminum construction for high strength and heat resistance\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves ensure proper ring sealing and oil control\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings, wrist pin, and circlips for a complete replacement\u003c\/li\u003e\n\u003cli\u003eManufactured to OEM specifications for a direct fit without modification\u003c\/li\u003e\n\u003cli\u003eLightweight design reduces reciprocating mass for improved throttle response\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\u003eReplace a worn or damaged piston during top-end rebuilds on competition dirt bikes\u003c\/li\u003e\n\u003cli\u003eIdeal for routine engine maintenance after high-hour use on off-road tracks or trails\u003c\/li\u003e\n\u003cli\u003eUse when restoring compression and power output on a high-mileage YZ450FX motor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNamura Standard Bore Piston Kit Size C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96.97mm (97mm nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSize C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ450FX 2021-2023\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 include all necessary components for installation? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes the piston, rings, wrist pin, and circlips needed for a complete top-end rebuild, though you should always replace the cylinder gasket set separately for best results.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How does the \"Size C\" designation affect fitment on my YZ450FX? \u003cstrong\u003eA:\u003c\/strong\u003e Size C indicates a specific production tolerance range used by Namura to match cylinder wear; you should measure your cylinder bore to ensure this size falls within the clearance spec for a 97mm piston.\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":44949796782166,"sku":"SZ1F15157","price":263.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_146b9bab-442b-4fd4-ae5f-05becd29d161.jpg?v=1781399387","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-kit-size-c-96-97mm-for-yamaha-yz450fx-2021-2023-97mm","provider":"Solid Spare","version":"1.0","type":"link"}