Jack shaft Systems

Showing all 11 results

Fix your poor performing Baja or MotoVox Mini Bike!

The PMR bolt on Jackshaft Kit is an easy to install performance upgrade for the Baja Motorsports Mini bikes, Motovox MBX10 Mini Bikes and other Kart and Mini Bike projects. Sturdy lightweight CNC Aluminum construction with double bearing housing.

DirtBug and DoodleBug and Motovox Mini Bikes suffer badly from not having a gear reduction system. Installing this kit and adjusting the throttle stop screw will result in surprising performance gains. Great mod for kids and adults alike.