Description
Features
- 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
| Position | Notes | |||
|---|---|---|---|---|
| 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 | Yamaha | WR250F | - | - |
| 2000 | Yamaha | WR 426 F | - | - |
| 1999-2000 | Yamaha | WR400F | - | - |
| 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 | Yamaha | WR450F | - | - |
| 1999-2026 | Yamaha | YZ125 | - | - |
| 2020, 2021, 2022, 2025, 2026 | Yamaha | YZ125X | - | - |
| 1999-2026 | Yamaha | YZ250 | - | - |
| 2001-2026 | Yamaha | YZ250F | - | - |
| 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2025 | Yamaha | YZ250FX | - | - |
| 2003-2026 | Yamaha | YZ450F | - | - |
| 2001-2002 | Yamaha | WR426F | - | - |
| 2000-2002 | Yamaha | YZ426F | - | - |
| 2016, 2017, 2018, 2019, 2020, 2021, 2024, 2025 | Yamaha | YZ450FX | - | - |
| 2016, 2017, 2018, 2019, 2021, 2022, 2025, 2026 | Yamaha | YZ250X | - | - |
