2006 Qingqi RS450 Street Scooter for Sale. Model #QM50QT-6. 50cc 4 stroke engine, black on black color scheme, alloy wheels, front disc brake rear drum, twin driving mirrors, rear locking storage box, locking under seat storage, locking gas cap, lights and turn signals, horn, kick stand, chassis stand, electric start, emergency manual kick start. Qingqi is known as one of the high quality scooters and partners with Suzuki motorcycles. This bike is ready for fun and to save you on gas!