Modifications are specific to each model. Includes heavy-duty components, advanced curve, hotter spark, multiple spark and increased redline.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986-1987 | Honda | ATC250ES Big Red | Base |
| 1986-1987 | Honda | ATC250SX | Base |
