Restore reliable fuel flow with this vacuum-operated replacement fuel petcock. Designed for scooters with gas tanks mounted high in the tail section, this petcock uses engine vacuum to open the fuel valve automatically when the engine is running � and closes it when the engine stops, preventing fuel from flooding the carburetor. Fits the M14x1.00 coarse-thread tank fitting used across CSC models and the broad GY6 / QMB139 Chinese scooter platform.
Important: Compare your existing petcock to the image before ordering � once fuel has passed through this part, it is non-returnable. This petcock does not fit Genuine Scooter Company models, which use a different thread pitch.
