BBR High Rev CDI Unit XR/CRF50/70/80/100 | 451-HXR-5001

BBR SKU: 80-9950
Regular price


Honda XR/CRF50/70/80/100
Fits CRF/XR50, CRF/XR70, CRF/XR80, and CRF/XR100 to eliminate the 9800 rpm rev limiter and provides a hotter advance curve.

This Rev Box also fits the Honda Z50R with electronic ignition (1988-1999). It will not work with any ignition that uses points.
  • Allows a higher rpm limit to fully take advantage of engine modifications
  • Eliminates 9800 rpm rev limiter
  • Ignition advance curve is optimized to work with engine modifications
  • Direct replacement for the OEM CDI ignition box
  • These items are designed exclusively for closed course competition use ONLY. Use on public lands or highways in the state of California is illegal.