{"product_id":"namura-top-end-kit-forged-76-95-std-yam-fx-40050k","title":"Namura 76.95mm Standard Forged Top End Kit 2019-2022 Yamaha YZ250F","description":"\u003cp\u003eRestore the explosive power and high-RPM reliability of your Yamaha with the Namura Forged Top End Rebuild Kit. If your engine is losing compression or it's simply time for scheduled maintenance, Moto-House MX provides this comprehensive \u003cstrong\u003eOEM Replacement\u003c\/strong\u003e solution to get your 250F back to the front of the pack. Engineered specifically for the 2019-2022 Yamaha YZ250F, this kit ensures your top end is built to handle the rigors of modern motocross.\u003c\/p\u003e\n\n\u003cp\u003eEvery Namura kit is designed for \u003cstrong\u003eRacing Performance\u003c\/strong\u003e and \u003cstrong\u003eHeavy Duty\u003c\/strong\u003e durability. Featuring a precision-forged 76.95mm standard bore piston, this kit provides superior strength-to-weight ratios compared to traditional cast alternatives. This forged construction is essential for withstanding the high heat and extreme cylinder pressures of a high-revving 4-stroke engine, ensuring consistent performance throughout your entire moto.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: Namura Forged Top End Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForged Piston Technology:\u003c\/strong\u003e Precision-forged for maximum structural integrity and reduced reciprocating weight.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Rebuild Solution:\u003c\/strong\u003e Includes the piston, high-quality rings, wrist pin, circlips, top-end bearing, and a complete gasket set.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Bore 76.95mm:\u003c\/strong\u003e Engineered to match factory specifications for a perfect fit in standard-sized cylinders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Gasket Set:\u003c\/strong\u003e Provides a total seal for the top end, preventing pressure loss and oil weeping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Performance:\u003c\/strong\u003e Designed to restore factory-level snap and throttle response to your Yamaha powerplant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eYear Range\u003c\/th\u003e\n      \u003cth\u003eVehicle Brand\u003c\/th\u003e\n      \u003cth\u003eVehicle Model \u0026amp; Size\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2022\u003c\/td\u003e\n      \u003ctd\u003eYamaha\u003c\/td\u003e\n      \u003ctd\u003eYZ250F\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2021\u003c\/td\u003e\n      \u003ctd\u003eYamaha\u003c\/td\u003e\n      \u003ctd\u003eYZ250F\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2020\u003c\/td\u003e\n      \u003ctd\u003eYamaha\u003c\/td\u003e\n      \u003ctd\u003eYZ250F\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2019\u003c\/td\u003e\n      \u003ctd\u003eYamaha\u003c\/td\u003e\n      \u003ctd\u003eYZ250F\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit better than the stock Yamaha piston?\u003c\/strong\u003e\u003cbr\u003e\nA: Namura forged pistons offer increased strength over the original equipment cast pistons, making them highly resistant to shattering and wear under racing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this include the head and base gaskets?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, this is a complete \"Top End\" kit, meaning it includes all the necessary gaskets and O-rings required to reassemble your cylinder and head.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is 76.95mm the standard size for the 2019-2022 YZ250F?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, 76.95mm is the standard bore diameter. If your cylinder has been bored over or has excessive wear, you may need an oversize kit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUpgrade Your Ride\u003c\/strong\u003e and bring your YZ250F back to peak performance today!\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMoto-House MX\u003c\/strong\u003e – \u003cb\u003eChoice of Champions\u003c\/b\u003e – is located in Clermont\/Montverde, FL. The best motocross shop in Central Florida.\u003c\/p\u003e","brand":"AutomaticDistributors cloned at 11:17:46","offers":[{"title":"Default Title","offer_id":44183613440083,"sku":"FX-40050K","price":237.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/5e32-60aebd4167e15.png?v=1774751650","url":"https:\/\/motohousemx.com\/products\/namura-top-end-kit-forged-76-95-std-yam-fx-40050k","provider":"Moto-House MX","version":"1.0","type":"link"}