Motorcycle Fuel Tank Petcock Gas Pump Off Switch compatible with CL70 XR75 CB100 CB125S CL100 CL100S SL100 SL125 XL100 XL175 XL80S models.This petcock functions as a fuel shut-off valve, controlling the flow of from the tank to the carburetor.Designed for easy installation and , it helps prevent fuel leakage when the engine is not in use.The switch offers three positions: prime, on, and off, allowing manual control over fuel delivery.Constructed to match specifications, it proper fit and function for the indicated motorcycle models.