The All Balls Countershaft Washer Kit provides replacement sealing and retention components for motorcycle countershaft service. Part Number 25-6018 is designed as a convenient 10-piece kit, helping restore proper fit and protection during drivetrain maintenance. The kit includes the replacement outer seal along with the O-rings, snap rings, and lock washers required for installation where applicable.
Built for dependable service, this All Balls kit supports repairs on select Yamaha and Kawasaki off-road motorcycles. It fits the 2015–2017 Yamaha YZ250FX, 2014–2017 Kawasaki KX250F, and 2005–2007 Yamaha YZ125. Verify the motorcycle model and year before ordering to ensure the correct application.
Brand: All Balls
Manufacturer Part Number: 25-6018
Vendor Part Number: 25-6018
Fitment: 2015–2017 Yamaha YZ250FX; 2014–2017 Kawasaki KX250F; 2005–2007 Yamaha YZ125
Features:
- 10-piece countershaft washer and seal service kit
- Includes a replacement outer seal
- Includes required O-rings, snap rings, and lock washers where applicable
- Designed for select Yamaha YZ250FX, Yamaha YZ125, and Kawasaki KX250F models
- Brand: All Balls
- Manufacturer Part Number: 25-6018
- Vendor Part Number: 25-6018
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 YZ125
2005 Yamaha YZ250F
2006 Yamaha WR250F
2006 Yamaha YZ125
2006 Yamaha YZ250F
2007 Yamaha WR250F
2007 Yamaha YZ125
2007 Yamaha YZ250F
2008 Yamaha WR250F
2008 Yamaha YZ125
2008 Yamaha YZ250F
2009 Yamaha WR250F
2009 Yamaha YZ125
2009 Yamaha YZ250F
2010 Yamaha WR250F
2010 Yamaha YZ125
2010 Yamaha YZ250F
2011 Yamaha WR250F
2011 Yamaha YZ125
2011 Yamaha YZ250F
2012 Yamaha WR250F
2012 Yamaha YZ125
2012 Yamaha YZ250F
2013 Yamaha WR250F
2013 Yamaha YZ125
2013 Yamaha YZ250F
2014 Kawasaki KX250F
2014 Yamaha WR250F
2014 Yamaha YZ125
2014 Yamaha YZ250F
2015 Kawasaki KX250F
2015 Yamaha WR250F
2015 Yamaha YZ125
2015 Yamaha YZ250F
2015 Yamaha YZ250FX
2016 Kawasaki KX250F
2016 Yamaha WR250F
2016 Yamaha YZ125
2016 Yamaha YZ250F
2016 Yamaha YZ250FX
2017 Kawasaki KX250F
2017 Yamaha WR250F
2017 Yamaha YZ125
2017 Yamaha YZ250F
2017 Yamaha YZ250FX
2018 Kawasaki KX250F
2018 Yamaha WR250F
2018 Yamaha YZ125
2018 Yamaha YZ250F
2018 Yamaha YZ250FX
2019 Kawasaki KX250F
2019 Yamaha WR250F
2019 Yamaha YZ125
2019 Yamaha YZ250F
2019 Yamaha YZ250FX
2020 Kawasaki KX250F
2020 Yamaha WR250F
2020 Yamaha YZ125
2020 Yamaha YZ125X
2020 Yamaha YZ250F
2020 Yamaha YZ250FX
2021 Kawasaki KX250F
2021 Kawasaki KX250X
2021 Yamaha WR250F
2021 Yamaha YZ125
2021 Yamaha YZ125X
2021 Yamaha YZ250F
2021 Yamaha YZ250FX
2022 Kawasaki KX250F
2022 Kawasaki KX250X
2022 Yamaha WR250F
2022 Yamaha YZ125
2022 Yamaha YZ125X
2022 Yamaha YZ250F
2022 Yamaha YZ250FX
2023 Kawasaki KX250F
2023 Kawasaki KX250X
2023 Yamaha WR250F
2023 Yamaha YZ125
2023 Yamaha YZ125X
2023 Yamaha YZ250F
2023 Yamaha YZ250FX
2024 Kawasaki KX250F
2024 Kawasaki KX250X
2024 Yamaha WR250F
2024 Yamaha YZ125
2024 Yamaha YZ125X
2024 Yamaha YZ250F
2024 Yamaha YZ250FX
2025 Kawasaki KX250F
2025 Kawasaki KX250X
2025 Yamaha WR250F
2025 Yamaha YZ125
2025 Yamaha YZ125X
2025 Yamaha YZ250F
2025 Yamaha YZ250FX
2026 Kawasaki KX250F
2026 Kawasaki KX250X
2026 Yamaha WR250F
2026 Yamaha YZ125
2026 Yamaha YZ125X
2026 Yamaha YZ250F
2026 Yamaha YZ250FX