GY6/QMB 3-Port Frame Mount Fuel Petcock Valve
ITEM# TT-23930
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Description
3-Port Fuel Valve for GY6 139QMB and 157QMJ Scooters
This 3-Port Frame Mount Fuel Petcock Valve is made to bring back proper fuel flow in a GY6 scooter. It is a drop-in replacement for engines such as the GY6 139QMB and 157QMJ. It is one of the GY6 50cc scooter parts that lets fuel pass only while the engine is running, which helps avoid issues like fuel overflow and oil contamination and supports a longer service life.
Vacuum-Operated Functionality
This valve works by vacuum, so it shuts off fuel flow automatically when the engine stops. That stops overflow and helps prevent the intake from hydro-locking. The design supports a fuel system that runs efficiently and safely.
Engineered for Specific Mounting
The valve uses an external frame mount that fits scooters with a single 6.5mm bolt hole. This layout gives a firm fit and suits the range of models that use frame-mounted petcocks.
Specifications
- Port Count: 3 Ports (Fuel In, Fuel Out, Vacuum)
- Mounting: 6.5mm Bolt Hole
- Material: Corrosion-Resistant Zinc Alloy
- Fits: GY6/QMB 139QMB, 139QMA, 157QMJ and 152QMI engines on frame-mounted fuel petcocks (3 ports, 6.5mm bolt hole)
Fitment
Fits:
- Scooters with GY6 50cc/80cc QMB engines (139QMB, 139QMA, 1P39QMB, YN139QMB, BN139QMB, 147QMD)
- Scooters with GY6 125cc/150cc QMJ engines (157QMJ, 152QMI, 161QMK, JJ157QMJ, BN157QMJ, BN161QMK-A)
- TaoTao, Wolf, Icebear, Peace Sports, ZNEN, Bintelli and Jonway scooters with these engine codes
How to choose: Check the engine code on the engine casing against the list: QMB for 50cc/80cc or QMJ for 125cc/150cc. Only use this 3-port valve if your petcock has three ports.
Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Cylinder Heads & Valves · Scooter Fuel System Parts · Scooter Parts
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