{"product_id":"prox-23-cbs24001-crankshaft-bearing-seal-kit-01-25-yamaha-yz250f-wr250f","title":"ProX 23.CBS24001 Crankshaft Bearing \u0026 Seal Kit 01-25 Yamaha YZ250F\/WR250F","description":"\u003cp\u003e\u003cstrong\u003ePROX - Crankshaft Bearing Kit - 2001-2022 Yamaha YZ250F \/ 2015-2021 Yamaha YZ250FX and 2015-2021 WR250F  \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen its time to rebuild your 2001-2022 Yamaha YZ250F \/ YZ250FX. ProX offers OEM quality replacement crank seals and main bearings. ProX uses the same manufactures as the OEM. This insures great fitment and reliability at a great price. \u003c\/p\u003e\n\u003cul class=\"mb-4 mt-2 pl-3 font-weight-light\"\u003e\n\u003cli\u003eManufactured by the leading OEM factories\u003c\/li\u003e\n\u003cli\u003eMade to exact OEM specifications to offer maximum performance and durability\u003c\/li\u003e\n\u003cli\u003eComplete bearing and seal kit per application for easy replacement\u003c\/li\u003e\n\u003cli\u003eCan be used in combination with all other ProX or OEM crankshaft related products\u003c\/li\u003e\n\u003cli\u003eReliable performance because of complete replacement\u003c\/li\u003e\n\u003cli\u003eThe best choice and replacement for every professional user\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eFor use with OEM or Pro X crankshafts\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003eFitment Yamaha 2001-2022 YZ250F \/ 2015-2021 YZ250FX \/ 2001-2021 WR250F $$$$\n\u003cp\u003eA worn-out bottom end can lead to catastrophic engine failure when you're pushing for the holeshot. The ProX 23.CBS24001 Crankshaft Bearing and Seal Kit provides the professional-grade \u003cstrong\u003eOEM Replacement\u003c\/strong\u003e solution riders trust to restore smooth, reliable crank rotation. At Moto-House MX, we know that precision is the difference between a podium finish and a long walk back to the pits.\u003c\/p\u003e\n\u003cp\u003eEngineered for high-stress racing environments, this kit features premium ball-style bearings and high-pressure seals designed to withstand the extreme heat of modern 4-stroke engines. Whether you are running a stock setup or a Pro-X crankshaft, these components offer the reduced friction and enhanced durability required for maximum Racing Performance and longevity.\u003c\/p\u003e\n\u003ch3\u003eTop Features: ProX Crankshaft Bearing and Seal Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Precision:\u003c\/strong\u003e Manufactured to exact original equipment specifications for a perfect drop-in fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Solution:\u003c\/strong\u003e Includes all necessary bearings and seals required for a full crankshaft service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Designed for seamless integration with either OEM or Pro-X crankshafts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Duty Build:\u003c\/strong\u003e Engineered specifically for the high-RPM demands of Motocross and Off-Road riding.\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\u003e2001-2025\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2025\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eWR250F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2025\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ250FX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2015\u003c\/td\u003e\n\u003ctd\u003eGas Gas\u003c\/td\u003e\n\u003ctd\u003eEC 300F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010-2015\u003c\/td\u003e\n\u003ctd\u003eGas Gas\u003c\/td\u003e\n\u003ctd\u003eEC 250F\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\u003eDoes this kit include both sides of the crankshaft?\u003c\/strong\u003e\u003cbr\u003eYes, this kit is a complete solution that includes all the necessary bearings and seals for a full crankshaft component replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with an aftermarket crankshaft?\u003c\/strong\u003e\u003cbr\u003eThis kit is specifically designed for use with either an OEM crankshaft or a Pro-X branded crankshaft to ensure proper tolerances.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a 4-stroke specific kit?\u003c\/strong\u003e\u003cbr\u003eYes, this specific kit is engineered for the 4-stroke applications listed in the fitment table, including the YZ250F and WR250F series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade Your Ride\u003c\/strong\u003e and ensure your engine is race-ready with the ProX Crankshaft Bearing and Seal Kit from Moto-House MX.\u003c\/p\u003e\n\u003cp\u003eMoto-House MX – \u003cstrong\u003eChoice of Champions\u003c\/strong\u003e – is located in Clermont\/Montverde, FL. The best motocross shop in Central Florida.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/yamaha-yz250f-performance-upgrades-engine-mods-and-accessories-moto-house-mx\" title=\"See More Yamaha YZ250F Performance Upgrades Engine Mods Accessories | Moto-House MX\" data-mce-fragment=\"1\" target=\"_blank\"\u003eYamaha YZ250F Performance Upgrades Engine Mods Accessories\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e","brand":"Pro-X","offers":[{"title":"Default Title","offer_id":40304585179219,"sku":"23.CBS24001","price":133.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/prox-23cbs24001-crankshaft-bearing-kit-2001-2022-yamaha-yz250f-yz250fx-wr250f-990001.jpg?v=1735459809","url":"https:\/\/motohousemx.com\/products\/prox-23-cbs24001-crankshaft-bearing-seal-kit-01-25-yamaha-yz250f-wr250f","provider":"Moto-House MX","version":"1.0","type":"link"}