{"product_id":"vertex-vtktc24371b-top-end-piston-kit-2019-2025-yamaha-yz250f-wr250f","title":"Vertex VTKTC24371B Top End Piston Kit 2019-2025 Yamaha YZ250F WR250F","description":"\u003cp\u003eRebuilding your top end shouldn't involve hunting down individual gaskets and clips. The Vertex Top End Piston Kit is the ultimate \u003cstrong\u003eOEM Replacement\u003c\/strong\u003e all-in-one solution, providing everything you need to restore factory-spec compression and reliability in a single box. At Moto-House MX, we specialize in high-performance maintenance, and this kit is the gold standard for riders who want a seamless, professional-grade overhaul for their Yamaha 250F.\u003c\/p\u003e\n\u003cp\u003eAt the core of this kit is a 13.8:1 high-compression piston forged from 2618 aluminum for \u003cstrong\u003eHeavy Duty\u003c\/strong\u003e durability and superior heat management. Every piston features a high-tech Molybdenum Disulfide skirt coating to ensure \u003cstrong\u003eRacing Performance\u003c\/strong\u003e with reduced friction and lightning-fast break-in times. Because it includes the forged piston, rings, wrist pin, circlips, and the complete top-end gasket set, you can spend less time at the parts counter and more time at the track.\u003c\/p\u003e\n\u003ch3\u003eTop Features: Vertex Top End Kit VTKTC24371B\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged 2618 Aluminum Construction:\u003c\/strong\u003e Offers the structural integrity required for high-RPM racing and long-term durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Top End Solution:\u003c\/strong\u003e Includes the piston, rings, pin, circlips, and a high-quality top-end gasket kit for a comprehensive rebuild.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolybdenum Disulfide Coating:\u003c\/strong\u003e Advanced skirt treatment reduces wear and provides a protective layer during the critical initial startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-5 Hardening:\u003c\/strong\u003e Each piston undergoes a specialized tempering cycle to ensure it can withstand the extreme pressures of a 13.8:1 compression ratio.\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003e2019-2023\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2024\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250FX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2025\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\u003eQ: What makes the \"Top End Kit\" different from a standard Piston Kit?\u003c\/strong\u003e\u003cbr\u003eA: While a standard kit only includes the piston and rings, this Top End Kit includes the necessary top-end gaskets, saving you the hassle of buying a separate gasket set for your rebuild.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit maintain the stock compression ratio?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 13.8:1 ratio is designed to meet or slightly enhance OEM specifications, providing excellent power delivery without requiring specialized race fuels in most conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are Vertex pistons better than the original Yamaha equipment?\u003c\/strong\u003e\u003cbr\u003eA: Vertex is a premier supplier for many European factory race teams. Their forged pistons often provide superior strength-to-weight ratios compared to standard cast OEM units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade Your Ride\u003c\/strong\u003e at Moto-House MX and experience the Vertex difference!\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":"WesternPowerSports cloned at 11:16:56","offers":[{"title":"Default Title","offer_id":44188398288979,"sku":"VTKTC24371B","price":273.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/336c-62bde34dcc1c8_a9588803-7ee2-4d7e-a81d-c57f298bf1f2.jpg?v=1773545846","url":"https:\/\/motohousemx.com\/products\/vertex-vtktc24371b-top-end-piston-kit-2019-2025-yamaha-yz250f-wr250f","provider":"Moto-House MX","version":"1.0","type":"link"}