Description
Stage 1: single-cam motor.
Stage 1 has improved power at all RPMs over OEM.
Performs well with stock air box lid and exhaust.
Uses stock valve springs and rockers.
Uses stock auto-decompression mechanism.
| Year | Make | Model |
|---|---|---|
| 1977-1978 | Honda | XR75 |
| 1979-1984 | Honda | XR80 |
| 1981-1984 | Honda | XR100 |
| 1985-2003 | Honda | XR100R |
| 1985-2003 | Honda | XR80R |
| 2004-2009 | Honda | CRF100F |
| 2004-2009 | Honda | CRF80F |
| 2011-2013 | Honda | CRF100F |
| 2011-2013 | Honda | CRF80F |
