{"product_id":"namura-size-b-forged-piston-kit-for-yamaha-2014-2019-yz450f-standard-bore-97mm","title":"Namura Size B Forged Piston Kit for Yamaha 2014-2019 YZ450F Standard Bore 97mm","description":"\u003ch2\u003eNamura Size B Forged Piston Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThe Namura Size B Forged Piston Kit for Yamaha YZ450F is a high-performance replacement piston designed for standard bore 97mm engines, offering improved durability and power for your dirt bike.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Namura forged piston kit is engineered for the Yamaha YZ450F from 2014 to 2019, providing a direct replacement that restores compression and enhances engine response. The kit includes the piston, rings, and wrist pin for a complete top-end rebuild.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged from high-strength 4032 aluminum alloy for superior heat resistance\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to exacting tolerances for optimal ring seal\u003c\/li\u003e\n\u003cli\u003eLightweight design reduces reciprocating mass for quicker revs\u003c\/li\u003e\n\u003cli\u003eReinforced pin boss area to handle high horsepower loads\u003c\/li\u003e\n\u003cli\u003eIncludes premium chrome-plated steel rings for reduced friction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha YZ450F (2014-2019)\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 competitions\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds and performance upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged Piston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSize B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e97mm Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ450F 2014-2019\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 Do I need to replace the cylinder with this piston? \u003cstrong\u003eA:\u003c\/strong\u003e No, this piston is designed for a standard bore cylinder; simply ensure the cylinder is within service limits and deglazed before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What clearance should I use for this forged piston? \u003cstrong\u003eA:\u003c\/strong\u003e Forged pistons require a slightly larger piston-to-wall clearance than cast pistons; follow the manufacturer's specifications included in the kit.\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":44949839216726,"sku":"SZ1F15653","price":316.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_4371ba23-2171-40bb-a34e-fc54de9dca9f.jpg?v=1781400044","url":"https:\/\/www.solidspare.com\/products\/namura-size-b-forged-piston-kit-for-yamaha-2014-2019-yz450f-standard-bore-97mm","provider":"Solid Spare","version":"1.0","type":"link"}