Mahugde 140cc 4-Stroke Dirt Bike Engine Motor Kit, 4-Speed Manual Clutch, Bike Engine Kit

Mahugde bike engine kit featuring a 140cc 4-stroke engine, 4-speed manual clutch, and carburetor. The engine is described as being made from aluminum alloy and cast steel and is listed for CRF50, CRF70, XR50, XR70, Z50, Z50R, XL70, and ST70 models. The source lists maximum power of 8 kW at 7,500 ± 375 rpm and maximum torque of 9.5 N·m at 5,000 ± 250 rpm.