Blue Line 2 Port Fuel Valve (UNEF "Extra Fine" Threads); GY6
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This 2-port Fuel Valve with extra fine threads replaces the stock petcock that came with your 2-stroke 50cc 139QMB bike (GY6 50cc).
Original Parts For Scooters SKU 159-74
Specifications:
- 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)
Compatibility: 50cc 139QMB bikes below
139QMB-based 50cc / 80cc engines with the following engine codes:
| 139QMA | 139QMB | 1P39QMB | 1P39QMA-2 |
| YN139QMB | JJ1P39QMB | 139FMA-2 | BD1P39QMB |
| BN139QMB | 147QMD | Other QMA models | Other QMB models |
Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.
About Blue Line: Blue Line offers OEM equivalent replacement parts for on-road scooters. Blue Line parts are a direct-fit replacement when OEM parts are unavailable or overly expensive for your scooter. Since 2018, Blue Line has provided quality parts at great prices.
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