{"product_id":"namura-standard-bore-top-end-rebuild-kit-size-c-for-yamaha-yz85-2019-2025-47-5mm","title":"Namura Standard Bore Top End Rebuild Kit Size C for Yamaha YZ85 2019-2025 47.5mm","description":"\u003ch2\u003eStandard Bore Top End Rebuild Kit Size C for Yamaha YZ85\u003c\/h2\u003e\u003cp\u003eThis top end rebuild kit from Namura is a high-quality replacement for the Yamaha YZ85, providing everything needed to restore cylinder and piston assembly on 2019-2025 models with a 47.5mm bore.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Standard Bore Top End Rebuild Kit Size C is a complete solution for rebuilding the top end of the Yamaha YZ85 engine. This top end rebuild kit includes a piston, rings, wrist pin, and circlips, ensuring a reliable rebuild. Designed for Yamaha YZ85 models from 2019 to 2025, this kit uses a 47.5mm bore size to match OEM specifications.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for high-strength and durability\u003c\/li\u003e\n\u003cli\u003ePlasma-coated ring set for reduced friction and improved seal\u003c\/li\u003e\n\u003cli\u003ePrecision-machined wrist pin for smooth operation\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary circlips and retaining clips\u003c\/li\u003e\n\u003cli\u003eDesigned for high-RPM two-stroke operation\u003c\/li\u003e\n\u003cli\u003eBore size matched to standard factory specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha YZ85 (2019-2025)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross racing requiring top-end refresh between events\u003c\/li\u003e\n\u003cli\u003eTrail riding and off-road competition\u003c\/li\u003e\n\u003cli\u003eEngine rebuild after piston seizure or wear\u003c\/li\u003e\n\u003cli\u003ePreventative maintenance for high-hour engines\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\u003eSize C (Namura Standard Bore Top End Rebuild Kit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YZ85 2-stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2019-2025\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 What is included in this top end rebuild kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes a forged piston, piston rings, wrist pin, and circlips – all necessary components for a complete top end rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this kit be used with a modified cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is intended for standard bore cylinders. For oversized or modified cylinders, select a corresponding oversized kit from Namura.\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":44890906296406,"sku":"SZ1F13547","price":175.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_dd7f148d-af2c-470e-bbfa-6bcc4c08bd43.jpg?v=1781144261","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-rebuild-kit-size-c-for-yamaha-yz85-2019-2025-47-5mm","provider":"Solid Spare","version":"1.0","type":"link"}