Description
Dual-cam motor: intake and exhaust cams sold separately. Excellent midrange increase, improved throttle response, and smooth power delivery. Intake comes with adjustable sprocket (factory preset at 105). Exhaust cam includes auto-decompression mechanism.
| Year | Make | Model |
|---|---|---|
| 1998-2000 | Yamaha | WR400F |
| 1998-1999 | Yamaha | YZ400F |
| 2000-2002 | Yamaha | YZ426F |
| 2001-2002 | Yamaha | WR426F |