Description
Features
- Simple but effective way to shift the torque curve to favor the low-end to mid-range band of the rev range
- CNC-machined, eliminating interference problems when installing; includes gaskets and bolts
- Insert spacer between cylinder and reed valve
- Made in the USA
| Position | Notes | |||
|---|---|---|---|---|
| 1987-2002 | Honda | CR125R | - | - |
| 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1993 | Yamaha | YZ125 | - | - |
| 1987-1988 | Suzuki | RM125 | - | - |