If you are looking to swap out the stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2009,2011-2013 | Honda | CRF100F | Base |
| 2003-2009,2012-2016 | Honda | CRF150F | Base |
| 2007-2016 | Honda | CRF150R | Base |
| 2003-2009,2012-2017 | Honda | CRF230F | Base |
| 2008-2009 | Honda | CRF230L | Base |
| 2009 | Honda | CRF230M | Base |
| 2004-2009,2011-2016 | Honda | CRF50F | Base |
| 2004-2009,2011-2012 | Honda | CRF70F | Base |
| 2004-2009,2011-2013 | Honda | CRF80F | Base |
| 1981-1984 | Honda | XR100 | Base |
| 1985-2003 | Honda | XR100R | Base |
| 2000-2003 | Honda | XR50R | Base |
| 1997-2003 | Honda | XR70R | Base |
| 1979-1984 | Honda | XR80 | Base |
| 1985-2003 | Honda | XR80R | Base |
