Description

The BBR Rev Box (Part Number 451-HXR-5001) is engineered to improve the performance of Honda CRF100F and CRF50F models by allowing a higher RPM limit, enabling enthusiasts to fully utilize engine modifications. This device eliminates the factory rev limiter at 9,800 RPM, providing a significant increase in engine revs for more aggressive power delivery. The ignition advance curve is carefully optimized to work seamlessly with modified engines, ensuring smooth throttle response and improved acceleration. Constructed for serious riders involved in closed-course competition, this rev box enhances engine capability without compromising reliability when used appropriately.

Designed specifically for Honda CRF100F models from 2004 to 2013 and the CRF50F from 2004, the BBR Rev Box is easy to install and provides immediate performance benefits. Its durable construction ensures consistent operation under demanding conditions, making it a reliable upgrade for amateur and professional racers alike. It is important to note that this product is intended exclusively for closed-course use; utilizing it on public lands or highways in California or other regulated areas is illegal. Proper installation and adherence to local laws are essential to ensure safe and legal use of this high-performance component.

Overall, the BBR Rev Box offers a substantial upgrade for riders seeking to maximize their engine’s potential in competitive environments, providing an optimized ignition timing and an increased RPM ceiling that unlocks additional horsepower and torque. Whether you’re looking to improve acceleration or prepare your bike for racing, this rev box is a valuable addition to your performance toolkit, designed to deliver reliable power gains while maintaining engine integrity.

Features:

• Allows a higher RPM limit to fully take advantage of engine modifications

• Eliminates factory rev limiter at 9,800 RPM

• Optimized ignition advance curve for modified engines

• Designed exclusively for closed-course competition use only

Fitment:
Honda CRF100F2004
Honda CRF100F2005
Honda CRF100F2006
Honda CRF100F2007
Honda CRF100F2008
Honda CRF100F2009
Honda CRF100F2011
Honda CRF100F2012
Honda CRF100F2013
Honda CRF50F2004
Honda CRF50F2005
Honda CRF50F2006
Honda CRF50F2007
Honda CRF50F2008
Honda CRF50F2009
Honda CRF50F2011
Honda CRF50F2012
Honda CRF50F2013
Honda CRF50F2014
Honda CRF50F2015
Honda CRF70F2004
Honda CRF70F2005
Honda CRF70F2006
Honda CRF70F2007
Honda CRF70F2008
Honda CRF70F2009
Honda CRF70F2011
Honda CRF70F2012
Honda CRF80F2004
Honda CRF80F2005
Honda CRF80F2006
Honda CRF80F2007
Honda CRF80F2008
Honda CRF80F2009
Honda CRF80F2011
Honda CRF80F2012
Honda CRF80F2013
Honda XR100R1993
Honda XR100R1994
Honda XR100R1995
Honda XR100R1996
Honda XR100R1997
Honda XR100R1998
Honda XR100R1999
Honda XR100R2000
Honda XR100R2001
Honda XR100R2002
Honda XR100R2003
Honda XR50R2000
Honda XR50R2001
Honda XR50R2002
Honda XR50R2003
Honda XR70R1997
Honda XR70R1998
Honda XR70R1999
Honda XR70R2000
Honda XR70R2001
Honda XR70R2002
Honda XR70R2003
Honda XR80R1993
Honda XR80R1994
Honda XR80R1995
Honda XR80R1996
Honda XR80R1997
Honda XR80R1998
Honda XR80R1999
Honda XR80R2000
Honda XR80R2001
Honda XR80R2002
Honda XR80R2003