Description
Features
- Complete standard bore kits
- Complete standard bore high compression kits
- Complete Big Bore Kits
- Includes cylinder, piston kit and gaskets
- Top end gasket kit does not include valve stem seals
- Matched with vertex pistons to ensure longevity, performance and reduce engine noise
- Replacement piston, gaskets, and ring sets available
- Cylinder looks just like stock
- Nickel silicon carbide plated for longer life
- No machine work needed *
- Replacement cylinder for standard bore only
| 2023 | Yamaha | WR450F |
| 2022 | Yamaha | WR450F |
| 2021 | Yamaha | WR450F |
| 2022 | Yamaha | YZ450F |
| 2021 | Yamaha | YZ450F |
| 2020 | Yamaha | YZ450F |
| 2023 | Yamaha | YZ450FX |
| 2022 | Yamaha | YZ450FX |
| 2021 | Yamaha | YZ450FX |
