{"product_id":"namura-standard-bore-cylinder-top-end-kit-for-yamaha-yfz450r-yfz450x-95mm","title":"Namura Standard Bore Cylinder \u0026 Top End Kit for Yamaha YFZ450R \u0026 YFZ450X 95mm","description":"\u003ch2\u003eNamura Standard Bore Cylinder \u0026amp; Top End Kit for Yamaha YFZ450R \u0026amp; YFZ450X 95mm\u003c\/h2\u003e\u003cp\u003eThe Namura Standard Bore Cylinder \u0026amp; Top End Kit is a direct replacement top end assembly for Yamaha YFZ450R and YFZ450X ATVs, featuring a 95mm bore for restored compression and power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Standard Bore Cylinder \u0026amp; Top End Kit from Namura provides a complete top end rebuild solution for the Yamaha YFZ450R and YFZ450X. This 95mm bore kit includes a new cylinder, piston, rings, and gaskets to refresh your engine's performance. Designed for standard bore applications, this Top End Kit ensures reliable operation and easy installation.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-quality aluminum cylinder with Nikasil plating for durability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston and ring set for optimal sealing\u003c\/li\u003e\n\u003cli\u003eComplete gasket kit included for a hassle-free rebuild\u003c\/li\u003e\n\u003cli\u003eDirect OEM fitment ensures proper alignment and timing\u003c\/li\u003e\n\u003cli\u003eTested for consistent compression and power output\u003c\/li\u003e\n\u003cli\u003eIdeal for routine top end replacement or repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YFZ450R\u003c\/li\u003e\n\u003cli\u003efor Yamaha YFZ450X\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross and desert racing\u003c\/li\u003e\n\u003cli\u003eTrail riding and recreational off-road\u003c\/li\u003e\n\u003cli\u003eSand dune and hill climbing events\u003c\/li\u003e\n\u003cli\u003eCompetitive ATV endurance racing\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds and performance restoration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore Top End Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible with\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha YFZ450R and YFZ450X\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 kit a complete top end? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it includes the cylinder, piston, rings, wrist pin, and all necessary gaskets for a complete top end rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to hone the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e The cylinder is prefinished and ready to install; no honing required, but always measure clearance per manufacturer specifications.\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":44949989490774,"sku":"SZ1F16856","price":681.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_2fcd2e66-9763-4e70-98b1-51ab3f8d96bd.jpg?v=1781402112","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-cylinder-top-end-kit-for-yamaha-yfz450r-yfz450x-95mm","provider":"Solid Spare","version":"1.0","type":"link"}