GY6 2 Port Fuel Valve (UNEF "Extra Fine" Threads)

    Item# 25-903669

    Price:
    Sale price$6.00

    Description

    GY6 2 Port Fuel Valve for 50cc 139QMB Bikes

    This 2-port fuel valve is designed as a direct replacement for the stock petcock on 50cc 139QMB scooters. It features UNEF extra fine threads for a precise fit. This part is important for maintaining proper fuel flow in your scooter. It is one of the GY6 scooter parts that riders often replace to ensure good performance.

    Construction and Design

    The fuel valve is zinc plated. It includes a plastic filter with a length of 63.5 mm, ensuring that fuel is clean and free of debris. The black oil seal has inner and outer diameters of 8mm and 14.5mm, respectively, providing a secure seal to prevent leaks.

    When to Replace

    If you notice fuel leaks or inconsistent fuel flow, it may be time to replace your fuel valve. Regular checks can help identify issues before they affect your scooter's performance. This part is important for maintaining the efficiency of your vehicle's fuel system.

    Specifications

    • Material: Zinc Plated
    • Thread Size: M16X1.0 (Extra Fine Threads)
    • Plastic Filter Length: 63.5 mm
    • Black Oil Seal Dimensions: 8mm ID x 14.5mm OD

    Fitment

    This fuel valve is compatible with various 50cc engines based on the 139QMB model. It fits the following engine codes:

    • 139QMA
    • 139QMB
    • 1P39QMB
    • 1P39QMA-2
    • YN139QMB
    • JJ1P39QMB
    • 139FMA-2
    • BD1P39QMB
    • BN139QMB
    • 147QMD
    • Other QMA models
    • Other QMB models

    Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.

    Shop more: GY6 Scooter Parts · Chinese Scooter Parts · Scooter Cylinder Heads & Valves · Scooter Fuel System Parts · Scooter Parts

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