OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2010-2018 | Yamaha | WR450F | Base |
| 2016-2018 | Yamaha | YZ250 | Base |
| 2010-2017 | Yamaha | YZ450F | Base |
| 2016-2018 | Yamaha | YZ450FX | Base |
