Belt Cover Gasket 669 for QMB139 Engines VIEW ALL GY6 50cc ENGINE PARTS Chinese 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. This is the standard CVT cover gasket for almost all 49/50cc Chinese scooters with GY6 engines and use the 669-18-30 belt size. There are 8 bolt holes around the gasket. Check that with the bolt pattern on your scooter. | 
