{"product_id":"moose-0926-3193-exhaust-valve-spring-kit-19-26-yamaha-yz250f-yz250fx-wr250f","title":"Moose 0926-3193 Exhaust Valve Spring Kit 19-26 Yamaha YZ250F YZ250FX WR250F","description":"\u003cp\u003eStop worrying about premature engine wear and frequent top-end teardowns. The Moose Offroad 0926-3193 Exhaust Valve and Spring Kit is a premium \u003cstrong\u003eHeavy Duty\u003c\/strong\u003e stainless steel conversion engineered to solve the durability issues of stock titanium exhaust valves. Moto-House MX knows that exhaust valves endure the highest thermal stress in your motor, and this kit provides the heat resistance and longevity required to keep your Yamaha performing at its peak through every moto.\u003c\/p\u003e\n\u003cp\u003eThis conversion kit utilizes high-grade stainless steel Black Diamond™ valves, which can extend the life of your valve train by as much as four times over OEM titanium components. Every valve and spring is designed using Finite Element Analysis (F.E.A.) and proprietary software to ensure they flow better and offer superior \u003cstrong\u003eRacing Performance\u003c\/strong\u003e compared to factory parts. Whether you are navigating tight trails or wide-open tracks in Central Florida, this American-made kit ensures your exhaust side is built to last.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e 2x Black Diamond™ Exhaust Valves and 2x Specially Engineered Valve Springs.\u003c\/p\u003e\n\u003ch3\u003eTop Features: Moose Offroad 0926-3193 Exhaust Valve and Spring Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Diamond™ Stainless:\u003c\/strong\u003e High-performance stainless steel valves designed to withstand extreme exhaust temperatures and last 4x longer than OEM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered Flow:\u003c\/strong\u003e Specifically designed to flow and perform better than factory components for improved engine efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eF.E.A. Validated:\u003c\/strong\u003e Created using Finite Element Analysis software to ensure maximum structural integrity and consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Conversion:\u003c\/strong\u003e Includes the essential valves and springs needed to convert your cylinder head to a long-life stainless setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured in the United States using proprietary camshaft and spring design technology.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\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\u003ctr\u003e\n\u003ctd\u003e2019-2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250FX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eWR250F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I run these stainless exhaust valves with my stock intake valves?\u003c\/strong\u003e\u003cbr\u003eYes, you can run these independently. However, for the most reliable engine build, many riders choose to convert both the intake and exhaust sides to stainless steel simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these valves heavier than the stock titanium versions?\u003c\/strong\u003e\u003cbr\u003eStainless steel is slightly heavier than titanium, which is why this kit includes specifically engineered springs to maintain proper valve control and prevent \"valve float\" at high RPMs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a specific break-in procedure for these valves?\u003c\/strong\u003e\u003cbr\u003eWe recommend standard engine break-in procedures. Always ensure your valve seats are in good condition or professionally cut at Moto-House MX before installation to ensure a perfect seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade Your Ride\u003c\/strong\u003e at Moto-House MX today and build a bulletproof top end!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMoto-House MX – Choice of Champions \u003c\/strong\u003e– is located in Clermont\/Montverde, FL. The best motocross shop in Central Florida.\u003c\/p\u003e","brand":"MOOSE OFFROAD","offers":[{"title":"Default Title","offer_id":44174213513299,"sku":"M80-82360","price":196.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/823842.png?v=1772933158","url":"https:\/\/motohousemx.com\/products\/moose-0926-3193-exhaust-valve-spring-kit-19-26-yamaha-yz250f-yz250fx-wr250f","provider":"Moto-House MX","version":"1.0","type":"link"}