Description
- CNC-machined (not stamped) and feature a computer-aided ultra-light design to reduce unsprung weight and increase power transfer
- Rear sprockets made from high-strength, specially enhanced 7075-T6 aluminum that is 33% lighter than steel to further reduce weight and increase power transfer without sacrificing strength
- Rear sprockets also feature a special tooth profile that allows the chain to roll easily on and off the sprocket for longer wear, less noise and more power
Fitments
2020-2022, 2025-2026 Yamaha YZ125X – – 2016-2021, 2024-2025 Yamaha YZ450FX – – 2016-2019, 2021-2022, 2025-2026 Yamaha YZ250X – – 2015-2022, 2025 Yamaha YZ250FX – – 2003-2026 Yamaha YZ450F – – 2003-2009, 2011-2025 Yamaha WR450F – – 2001-2026 Yamaha YZ250F – – 2001-2009, 2011-2013, 2015-2025 Yamaha WR250F – – 2001-2002 Yamaha WR426F – – 2000-2002 Yamaha YZ426F – – 2000 Yamaha WR 426 F – – 1999-2026 Yamaha YZ250 – – 1999-2026 Yamaha YZ125 – – 1999-2000 Yamaha WR400F – – Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer’s information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.






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