The Hot Rods OSK0040 Countershaft Seal Kit provides a complete solution for repairing a leaking countershaft seal on select Yamaha YFZ450 sport ATVs. Designed for dependable service and convenient installation, this kit combines the primary sealing and hardware components needed to restore the countershaft area and help prevent ongoing oil leakage.
This Hot Rods repair kit includes a countershaft seal, countershaft bushing, O-rings, and sprocket nut washer where applicable. Each component is selected to support proper fitment and reliable performance in the specified application. The kit is intended for riders and technicians who want to replace related countershaft sealing components together rather than sourcing individual parts separately. It does not include a water pump bearing or transmission bearings.
Fitment includes the 2004 through 2009 Yamaha YFZ450, along with the 2007 and 2008 YFZ450 SE and the 2006 and 2007 YFZ450 Bill Balance Edition. Verify the model year and application before installation. Manufacturer part number OSK0040 and vendor part number OSK0040 identify this Hot Rods countershaft seal kit.
Features:
- Complete repair solution for a leaking countershaft seal
- Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer where applicable
- Designed to fit select 2004-2009 Yamaha YFZ450 models
- Compatible with 2007-2008 Yamaha YFZ450 SE models
- Compatible with 2006-2007 Yamaha YFZ450 Bill Balance Edition models
- Does not include a water pump bearing or transmission bearings
Fitment:
2003 Yamaha YZ450F
2004 Yamaha WR450F
2004 Yamaha YFZ450
2004 Yamaha YZ450F
2005 Yamaha WR450F
2005 Yamaha YFZ450
2005 Yamaha YZ450F
2006 Yamaha WR450F
2006 Yamaha YFZ450
2006 Yamaha YFZ450 Bill Balance Edition
2006 Yamaha YZ450F
2007 Yamaha WR450F
2007 Yamaha YFZ450
2007 Yamaha YFZ450 Bill Balance Edition
2007 Yamaha YFZ450 SE
2007 Yamaha YZ450F
2008 Yamaha WR450F
2008 Yamaha YFZ450
2008 Yamaha YFZ450 SE
2008 Yamaha YZ450F
2009 Yamaha WR450F
2009 Yamaha YFZ450
2009 Yamaha YZ450F
2010 Yamaha WR450F
2010 Yamaha YZ450F
2011 Yamaha WR450F
2011 Yamaha YZ450F
2012 Yamaha WR450F
2012 Yamaha YZ450F
2013 Yamaha WR450F
2013 Yamaha YZ450F
2014 Yamaha WR450F
2014 Yamaha YZ450F
2015 Yamaha WR450F
2015 Yamaha YZ450F
2016 Yamaha WR450F
2016 Yamaha YZ450F
2016 Yamaha YZ450FX
2017 Yamaha WR450F
2017 Yamaha YZ450F
2017 Yamaha YZ450FX
2018 Yamaha WR450F
2018 Yamaha YZ450F
2018 Yamaha YZ450FX
2019 Yamaha WR450F
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2020 Yamaha WR450F
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2021 Yamaha WR450F
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2022 Yamaha WR450F
2022 Yamaha YZ450F
2023 Yamaha WR450F