- Kit includes all necessary parts to rebuild accelerator pump circuit
- Includes o-rings, diaphragm, spring and screws
- Improperly functioning accelerator pumps can cause poor performance, and bogging on acceleration
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1998-2000 | Yamaha | WR400F | |
| 2001-2002 | Yamaha | WR426F | |
| 1998-1999 | Yamaha | YZ400F | |
| 2000-2002 | Yamaha | YZ426F | |