Takegawa 3 disc manual clutch conversion kit for the CRF50 mounts to the crank and replaces your stock semi auto clutch basket. Increased clutch plate area and pressure ensures less clutch slippage in performance engines up to 12HP. It is recommended not to exceed 10000RPM for extended periods as this is a crank mounted clutch. For very high power engines please refer to Takegawa Special 5 disc secondary shaft mounted clutch systems. Kit comes complete with manual clutch cover, 3 disc clutch, updated shift shaft, clutch lever, perch and cable, and full instructions for easy installation