Honda XR/CRF 50 Rev Box

Unleash Your Honda XR/CRF 50's Full Potential

Upgrade your ride with the 50 Caliber Rev Box, engineered to eliminate the restrictive stock rev limiter. Experience maximized performance and higher RPMs, giving your pit bike the edge it needs on the track or trail. This essential upgrade features an improved timing curve for a noticeable boost in power, offering incredible value for enthusiasts looking to get the most out of their engine.

What’s in the Box (Based on selected options)

Why Riders Upgrade

Rev Box vs. Stock Ignitor

Common Questions

Will this fit my Honda XR/CRF 50?
Yes, this rev box is designed to fit all model years of Honda XR50 and CRF50.

What kind of performance gains can I expect?
You can expect increased top-end RPMs and a more responsive throttle due to the removal of the stock rev limiter and the improved timing curve.

Is installation difficult?
Installation is straightforward and typically involves replacing the stock ignition module. Detailed instructions are included.

Does this remove the factory rev limiter?
Absolutely, this is the primary function of the rev box – to eliminate the stock rev limiter and allow your engine to achieve its maximum RPM capability.

What Riders Are Saying

This rev box made a huge difference on my son's CRF50. It really woke the bike up and he loves the extra power. Easy to install too!
— Mark S., California

Finally, my XR50 can rev out! The improved timing is noticeable, and it feels much more aggressive. Great value for the performance boost.
— Jessica R., Texas