Restore dependable top-end performance with the Cylinder Works 20003 Standard Cylinder, designed for select Yamaha YZ450F and WR450F models. This cylinder uses a stock-style design to provide a practical replacement for the original component while supporting proper engine fitment and reliable operation.
The Cylinder Works cylinder is nickel silicon carbide plated to promote extended service life, improved wear resistance, and consistent cylinder performance. Its standard 95 mm bore specification is intended for applications that retain the factory-style bore configuration. Manufacturer part number 20003 and vendor part number 20003 identify this Cylinder Works replacement cylinder.
Fitment includes the 2006-2009 Yamaha YZ450F, 2007-2009 Yamaha WR450F, and 2011-2013 Yamaha WR450F. Verify the model year and engine configuration before installation to ensure compatibility. This product is a cylinder-only replacement and is intended for use with the appropriate piston, rings, gaskets, and related installation components.
Features:
- Stock-style cylinder appearance for a factory-like replacement
- Nickel silicon carbide plating helps promote longer service life and wear resistance
- Standard 95 mm bore for compatible Yamaha engine applications
- Fits 2006-2009 Yamaha YZ450F models
- Fits 2007-2009 and 2011-2013 Yamaha WR450F models
- Brand: Cylinder Works
- Manufacturer part number: 20003
- Vendor part number: 20003
Fitment:
2006 Yamaha YZ450F
2007 Yamaha WR450F
2007 Yamaha YZ450F
2008 Yamaha WR450F
2008 Yamaha YZ450F
2009 Yamaha WR450F
2009 Yamaha YFZ450R
2009 Yamaha YFZ450R SE
2009 Yamaha YZ450F
2010 Yamaha WR450F
2010 Yamaha YFZ450R
2010 Yamaha YFZ450R SE
2010 Yamaha YFZ450X
2011 Yamaha WR450F
2011 Yamaha YFZ450R
2011 Yamaha YFZ450R SE
2011 Yamaha YFZ450X
2012 Yamaha WR450F
2012 Yamaha YFZ450R
2012 Yamaha YFZ450R SE
2013 Yamaha WR450F
2013 Yamaha YFZ450R
2013 Yamaha YFZ450R SE
2014 Yamaha WR450F
2014 Yamaha YFZ450R
2014 Yamaha YFZ450R SE
2015 Yamaha WR450F
2015 Yamaha YFZ450R
2015 Yamaha YFZ450R SE
2016 Yamaha YFZ450R
2016 Yamaha YFZ450R SE
2017 Yamaha YFZ450R
2017 Yamaha YFZ450R SE
2018 Yamaha YFZ450R
2018 Yamaha YFZ450R SE
2019 Yamaha YFZ450R
2019 Yamaha YFZ450R SE
2020 Yamaha YFZ450R
2020 Yamaha YFZ450R SE
2021 Yamaha YFZ450R
2022 Yamaha YFZ450R
2022 Yamaha YFZ450R SE
2023 Yamaha YFZ450R
2023 Yamaha YFZ450R SE
2024 Yamaha YFZ450R
2025 Yamaha YFZ450R