TDPRO 140cc Semi-Automatic Engine 607 with Electric Start and Reverse

This TDPRO 140cc engine kit features a single-cylinder horizontal 4-stroke design with a 2-valve OHC head and oil cooling. It includes electric and kick starting, CDI ignition, an automatic clutch, 3+1 gears with reverse, and a 14T 428 chain sprocket with a 17mm shaft. The kit includes the engine, kick starter lever, gear shift lever, intake manifold, and manifold hardware kit. The source lists compatibility with Monkey, Dax, Super Cub, pit bikes, and Trail Bike CT70, 90, 110, and 125 applications. Verify mounting-hole spacing before installation.