... many Chinese other motorcycle manufacturers. It's engine modol is GY6 50 (139QMB).It usally marked XX50T-X in the Chinese ... , special clutch ScootersBuggy, Go-kart, UTV, ATV1FJ1-50A(Bell 107mm)GY6(139QMB) with Kymco, SYM, Honda, Piaggio engine. PGO ATV XL ... scooter like QINGQI,QJMOTOR, LIFAN,ZONGSHEN, XINGYUE, WANGYE,JONGWAY, etc. GY6 50 scooter clutch/ Chinese 50cc scooter clutch