The ProX Crankshaft Bearing and Seal Kit is a complete replacement solution for select Yamaha YZ250F and YZ250FX four-stroke motorcycles. Manufactured by leading OEM factories and produced to exact OEM specifications, this kit is designed to support reliable engine performance, proper crankshaft operation, and long-term durability. The kit includes the required crankshaft bearings and seals for the applicable model, making replacement more convenient and helping ensure dependable results during engine service.
Designed for professional technicians, powersports enthusiasts, and engine rebuild applications, the ProX kit can be used with other ProX or OEM crankshaft-related components. Replacing the bearings and seals together helps promote consistent fitment and performance throughout the crankshaft assembly. Verify the motorcycle model and year before ordering to ensure compatibility with your application.
Fitment includes 2001 through 2007 Yamaha YZ250F models and 2015 through 2017 Yamaha YZ250FX models. This product is manufactured by ProX and is identified by manufacturer and vendor part number 23.CBS24001. It is intended as a model-specific crankshaft bearing and seal replacement kit for the listed Yamaha applications.
Features:
- OEM-specification construction: Manufactured by leading OEM factories to support dependable performance and durability
- Complete replacement kit: Includes crankshaft bearings and seals required for the applicable application
- Application-specific fitment: Designed for select Yamaha YZ250F and YZ250FX motorcycles
- Compatible components: Can be used with other ProX or OEM crankshaft-related products
- Reliable service: Replacing the bearings and seals together helps support consistent crankshaft operation
- Professional-grade solution: Suitable for engine rebuilding and replacement service applications
Fitment:
2001 Yamaha WR250F
2001 Yamaha YZ250F
2002 Yamaha WR250F
2002 Yamaha YZ250F
2003 Yamaha WR250F
2003 Yamaha YZ250F
2004 Yamaha WR250F
2004 Yamaha YZ250F
2005 Yamaha WR250F
2005 Yamaha YZ250F
2006 Yamaha WR250F
2006 Yamaha YZ250F
2007 Yamaha WR250F
2007 Yamaha YZ250F
2008 Yamaha WR250F
2008 Yamaha YZ250F
2009 Yamaha WR250F
2009 Yamaha YZ250F
2010 Gas-Gas EC 250F
2010 Yamaha WR250F
2010 Yamaha YZ250F
2011 Gas-Gas EC 250F
2011 Yamaha WR250F
2011 Yamaha YZ250F
2012 Gas-Gas EC 250F
2012 Yamaha WR250F
2012 Yamaha YZ250F
2013 Gas-Gas EC 250F
2013 Gas-Gas EC 300
2013 Yamaha WR250F
2013 Yamaha YZ250F
2014 Gas-Gas EC 250F
2014 Gas-Gas EC 300
2014 Yamaha WR250F
2014 Yamaha YZ250F
2015 Gas Gas EC 300
2015 Gas-Gas EC 250F
2015 Yamaha WR250F
2015 Yamaha YZ250F
2015 Yamaha YZ250FX
2016 Yamaha WR250F
2016 Yamaha YZ250F
2016 Yamaha YZ250FX
2017 Yamaha WR250F
2017 Yamaha YZ250F
2017 Yamaha YZ250FX
2018 Yamaha WR250F
2018 Yamaha YZ250F
2018 Yamaha YZ250FX
2019 Yamaha WR250F
2019 Yamaha YZ250F
2019 Yamaha YZ250FX
2020 Yamaha WR250F
2020 Yamaha YZ250F
2020 Yamaha YZ250FX
2021 Yamaha WR250F
2021 Yamaha YZ250F
2021 Yamaha YZ250FX
2022 Yamaha WR250F
2022 Yamaha YZ250F
2022 Yamaha YZ250FX
2023 Yamaha WR250F
2023 Yamaha YZ250F
2023 Yamaha YZ250FX
2024 Yamaha WR250F
2024 Yamaha YZ250F
2024 Yamaha YZ250FX
2025 Yamaha WR250F
2025 Yamaha YZ250F
2025 Yamaha YZ250FX