BIG GUN Exhaust Rev Box for Mini MX Yamaha - Part Number 40-R29

If you are looking to swap out the stock Yamaha TTR 125 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.

Increases overall RPM limit
Advanced timing curve
Easy direct plug in replacement to stock CDI box
6 Month Limited Warranty

Enhance your Yamaha Mini MX with the BIG GUN Rev Box, part number 40-R29, designed specifically to improve engine performance and throttle response. Manufactured by BIG GUN EXHAUST, this rev box optimizes your ATV's ignition timing, resulting in increased acceleration and overall power. Crafted for durability and precise fit, it ensures seamless integration with your Yamaha Mini MX's electrical system.

Constructed with high-quality components, the BIG GUN Rev Box is engineered to withstand the rigors of off-road riding. Its compact design allows for easy installation without requiring extensive modifications. Whether you’re racing or enjoying recreational riding, this rev box provides a noticeable boost in engine responsiveness, helping you get more out of your Yamaha Mini MX.

Designed for enthusiasts seeking reliable performance upgrades, the BIG GUN EXHAUST Rev Box is a straightforward upgrade that can be installed by most riders with basic mechanical skills. Improve your Mini MX’s power curve and enjoy a smoother, more responsive riding experience with this durable and effective ignition enhancement.

Features:

• Designed specifically for Yamaha Mini MX models

• Optimizes ignition timing for increased power and acceleration

• Durable construction built to withstand off-road conditions

• Compact design for easy installation and seamless fit

• Engineered by BIG GUN EXHAUST for reliable performance