Lifan 125CC Engine Motor Carb For Honda XR50 CRF50 XR70 CRF70 CT70 ST70 110CC 70 NEW RACE HIGH PERFORMANCE ENGINE, 1 Down 3 UP w/Clutch, 4 Stroke 4 Speed Complete Racing Engine A bolt-in replacement/ upgrade for the XR50/ CRF50 This complete kit comes with: 1P52FMI engine, intake manifold, carburetor, CDI, coil, kick starter This complete kit comes with spark plug, shifter, wire harness