GY6 50cc Engine Piston Kit [39mm] 4-stroke QMB139 enginesChinese Scooter Parts, Chinese Moped Parts, QMB139 50cc Parts, Engine Parts for Chinese Scooters and Mopeds. Our high quality engine parts are the exact replacement part for many Chinese manufactured brands and models of Chinese Mopeds and Scooters. This Chinese QMB139 part fits ALL makes and models of Chinese Scooters and Mopeds with 50cc 4 stroke engines. Ships with Piston, Rings, Pin, and Clips - Outer Diameter: 39mm
- Overall Height: 33mm
- Piston Pin: 13mm
- Compression Height: 17.25mm
| Major Applications: | | Machine Make | Machine Model | Year Range | Notes | | CHINESE SCOOTER | QMB139 50cc-49cc | 0 - 0 | - | | ROKETA SCOOTER | 4-Stroke 49cc-50cc | 0 - 0 | - | | SUNL SCOOTER | 4-Stroke 49cc-50cc | 0 - 0 | - | | VARIOUS MAKES/MODELS | QMB139 50cc-49cc | 0 - 0 | - |
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