The DIRT TRICKS YZ-Series Rear 49-Tooth Chromoly Sprocket (Part Number: YZ-49-RAW) is engineered for durability and performance in off-road riding. Designed by expert Greg Burns, this sprocket incorporates aerospace-grade steels, heat treatments, and FEA stress analysis to ensure exceptional strength and longevity. Built to withstand a full season of rigorous riding, it offers a durability rivaled only by the toughest off-road sprockets on the market. Its lightweight design is comparable to aluminum, reducing rotational mass for improved handling and acceleration. The sprocket's innovative construction combines minimalism with strength, making it an ideal upgrade for serious riders seeking reliability and performance.
Featuring a sleek raw finish, this sprocket is part of DIRT TRICKS’ revolutionary line that includes Diamond Black, Chromatic, and Zirconium coatings. The Zirconium coating, in particular, reduces friction by up to 50%, enhances durability, and provides an eye-catching look. These sprockets are over two and a half times stronger than stainless steel, providing an outstanding balance of strength and weight savings. The two-year guarantee underscores DIRT TRICKS’ confidence in their product, promising replacement if worn out.
Compatible with Yamaha YZ and WR models from 1999 to 2008, this 49-tooth sprocket is designed to fit models including the YZ125, YZ400F, YZ426F, and WR426F. Its robust yet lightweight construction enhances drivetrain efficiency and extends component life, making it a valuable upgrade for off-road enthusiasts. Whether you’re racing or trail riding, this sprocket offers the durability and performance necessary to keep your Yamaha motorcycle performing at its best in challenging terrain.
Features:
- Designed and patented by Greg Burns in 2002 using aerospace steels, heat treatments, and FEA stress analysis
- Built to last an entire season of hard riding while maintaining a lightweight profile comparable to aluminum
- Available in Diamond Black, Chromatic, and Zirconium coatings for enhanced durability and aesthetics
- Zirconium coating reduces friction by up to 50%, increases wear resistance, and offers a striking appearance
- Constructed to be over 2.5 times stronger than stainless steel with a minimalist design and appearance
- Backed by a two-year guarantee, with replacement if worn out
- Compatible with Yamaha YZ and WR models from 1999 to 2008, including YZ125, YZ400F, YZ426F, and WR426F
Fits
1999 Yamaha YZ250
1999 Yamaha YZ400F
2000 Yamaha YZ250
2000 Yamaha YZ426F
2001 Yamaha WR250F
2001 Yamaha WR426F
2001 Yamaha YZ250
2001 Yamaha YZ250F
2001 Yamaha YZ426F
2002 Yamaha WR250F
2002 Yamaha WR426F
2002 Yamaha YZ250
2002 Yamaha YZ250F
2002 Yamaha YZ426F
2003 Yamaha WR250F
2003 Yamaha WR450F
2003 Yamaha YZ250
2003 Yamaha YZ250F
2003 Yamaha YZ450F
2004 Yamaha WR250F
2004 Yamaha WR450F
2004 Yamaha YZ250
2004 Yamaha YZ250F
2004 Yamaha YZ450F
2005 Yamaha WR250F
2005 Yamaha WR450F
2005 Yamaha YZ125
2005 Yamaha YZ250
2005 Yamaha YZ250F
2005 Yamaha YZ450F
2006 Yamaha WR250F
2006 Yamaha WR450F
2006 Yamaha YZ125
2006 Yamaha YZ250
2006 Yamaha YZ250F
2006 Yamaha YZ450F
2007 Yamaha WR250F
2007 Yamaha WR450F
2007 Yamaha YZ125
2007 Yamaha YZ250
2007 Yamaha YZ250F
2007 Yamaha YZ450F
2008 Yamaha WR250F
2008 Yamaha WR450F
2008 Yamaha YZ125
2008 Yamaha YZ250
2008 Yamaha YZ250F
2008 Yamaha YZ450F
2009 Yamaha WR250F
2009 Yamaha WR450F
2009 Yamaha YZ125
2009 Yamaha YZ250
2009 Yamaha YZ250F
2009 Yamaha YZ450F
2010 Yamaha WR250F
2010 Yamaha WR450F
2010 Yamaha YZ125
2010 Yamaha YZ250
2010 Yamaha YZ250F
2010 Yamaha YZ450F
2011 Yamaha WR250F
2011 Yamaha WR450F
2011 Yamaha YZ125
2011 Yamaha YZ250
2011 Yamaha YZ250F
2011 Yamaha YZ450F
2012 Yamaha WR250F
2012 Yamaha WR450F
2012 Yamaha YZ125
2012 Yamaha YZ250
2012 Yamaha YZ250F
2012 Yamaha YZ450F
2013 Yamaha WR250F
2013 Yamaha WR450F
2013 Yamaha YZ125
2013 Yamaha YZ250
2013 Yamaha YZ250F
2013 Yamaha YZ450F
2014 Yamaha WR250F
2014 Yamaha WR450F
2014 Yamaha YZ125
2014 Yamaha YZ250
2014 Yamaha YZ250F
2014 Yamaha YZ450F
2015 Yamaha WR250F
2015 Yamaha WR450F
2015 Yamaha YZ125
2015 Yamaha YZ250
2015 Yamaha YZ250F
2015 Yamaha YZ250FX
2015 Yamaha YZ450F
2016 Yamaha WR250F
2016 Yamaha WR450F
2016 Yamaha YZ125
2016 Yamaha YZ250
2016 Yamaha YZ250F
2016 Yamaha YZ250FX
2016 Yamaha YZ250X
2016 Yamaha YZ450F
2016 Yamaha YZ450FX
2017 Yamaha WR250F
2017 Yamaha WR450F
2017 Yamaha YZ125
2017 Yamaha YZ250
2017 Yamaha YZ250F
2017 Yamaha YZ250FX
2017 Yamaha YZ250X
2017 Yamaha YZ450F
2017 Yamaha YZ450FX
2018 Yamaha WR250F
2018 Yamaha WR450F
2018 Yamaha YZ125
2018 Yamaha YZ250
2018 Yamaha YZ250F
2018 Yamaha YZ250FX
2018 Yamaha YZ250X
2018 Yamaha YZ450F
2018 Yamaha YZ450FX
2019 Yamaha WR250F
2019 Yamaha WR450F
2019 Yamaha YZ125
2019 Yamaha YZ250
2019 Yamaha YZ250F
2019 Yamaha YZ250FX
2019 Yamaha YZ250X
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2020 Yamaha WR250F
2020 Yamaha WR450F
2020 Yamaha YZ125
2020 Yamaha YZ125X
2020 Yamaha YZ250
2020 Yamaha YZ250F
2020 Yamaha YZ250FX
2020 Yamaha YZ250X
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2021 Yamaha WR250F
2021 Yamaha WR450F
2021 Yamaha YZ125
2021 Yamaha YZ125X
2021 Yamaha YZ250
2021 Yamaha YZ250F
2021 Yamaha YZ250FX
2021 Yamaha YZ250X
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2022 Yamaha WR250F
2022 Yamaha WR450F
2022 Yamaha YZ125
2022 Yamaha YZ125X
2022 Yamaha YZ250
2022 Yamaha YZ250F
2022 Yamaha YZ250FX
2022 Yamaha YZ250X
2022 Yamaha YZ450F
2022 Yamaha YZ450FX
2023 Yamaha WR250F
2023 Yamaha WR450F
2023 Yamaha YZ125
2023 Yamaha YZ125X
2023 Yamaha YZ250
2023 Yamaha YZ250F
2023 Yamaha YZ250FX
2023 Yamaha YZ250X
2023 Yamaha YZ450F
2023 Yamaha YZ450FX
2024 Yamaha WR250F
2024 Yamaha WR450F
2024 Yamaha YZ125
2024 Yamaha YZ125X
2024 Yamaha YZ250
2024 Yamaha YZ250F
2024 Yamaha YZ250FX
2024 Yamaha YZ250X
2024 Yamaha YZ450F
2024 Yamaha YZ450FX
2025 Yamaha WR250F
2025 Yamaha WR450F
2025 Yamaha YZ125
2025 Yamaha YZ125X
2025 Yamaha YZ250
2025 Yamaha YZ250F
2025 Yamaha YZ250FX
2025 Yamaha YZ250X
2025 Yamaha YZ450F
2025 Yamaha YZ450FX
2026 Yamaha WR250F
2026 Yamaha WR450F
2026 Yamaha YZ125
2026 Yamaha YZ125X
2026 Yamaha YZ250
2026 Yamaha YZ250F
2026 Yamaha YZ250FX
2026 Yamaha YZ250X
2026 Yamaha YZ450F
2026 Yamaha YZ450FX