robbing power

  1. Marine One

    Engine Trouble Knocking at Higher RPMs

    Hello all and great site yall have. Long time lurker, first time poster. I recently bought my first 66/80 cc motorized bike, it came with 1 spare engine and most of the parts for another kit. The bike had a large crack in the frame near the bottom where you pedal but I already had a better bike...

Top