Universal Parts QMB139 Non Emissions Head - 69mm Valves
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Universal Parts Completely Assembled Non Emissions Style Cylinder Head with 69mm Valves for 50cc 4-stroke 139QMB engines.
Specifications:
- Intake Port Diameter: 17mm
- Exhaust Port Diameter: 18mm
- Valve Length: 69mm
Compatibility:
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 |
157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:
| 157QMJ | 161QMK | 152QMI | 1P61QMK |
| YN1P57QMJ | 1P52FMI | 154FMI | JJ157QMJ |
| 1P57QMJ | BN157QMJ | BN161QMK-A | Other QMJ, QMK, and QMI models |
Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.
About Universal Parts: Universal Parts is a line of quality and affordable replacement parts for Chinese scooters! From basic items like bearings and cables all the way up to complete engine assemblies and affordable big bore kits, the comprehensive Universal Parts line can help you get your scooter riding again.
This product is not intended for use on public roads or land.
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