• Due to COVID-19 we are experiencing shipping delays from our suppliers. Our engines will be back in stock soon!


49cc Gas Powered 4 Stroke Engine

$189.99 $169.99

Replace you old and worn 4-stroke engine with a brand new EPA approved Hua Sheng F142 49cc 4 stroke engine - available in either 78 mm tapered shaft or 5/8" keyed straight shaft. (NOTE: clutch, transmission, and installation kit sold separately. At...

Stand alone 2 stroke and 4 stroke replacement bicycle engines. Did your engine give up the ghost? Get a replacement motor without having to buy the entire motorized bike engine kit.

Have engine problems and need help troubleshooting? Check out our troubleshooting guide

View 2 Stroke Troubleshooting Guide Here