TDPRO Lifan 125cc 1P54FMI Semi-Automatic 4-Stroke Engine Kit USATD204

Replace or upgrade a compatible small powersports engine with this TDPRO Lifan 125cc 1P54FMI engine kit. The semi-automatic 4-stroke engine features N-1-2-3-4 gearing, an automatic clutch, a 15T 428 chain sprocket, and a 20mm shaft. The kit includes the engine, kick starter lever, gear shift lever, intake manifold, and manifold hardware kit. The source lists compatibility with Trail Bike CT70, 90, 110, and 125 applications, as well as monkey, Dax, Super Cub, and pit bike configurations; verify mounting-hole spacing before purchase.