What is qt50 yamaha?

The Yamaha QT50, also known as the Yamahopper, is a moped produced by Yamaha from 1979 to 1992. It features a 49cc two-stroke engine with automatic transmission and a kick or electric starter. The QT50 has a top speed of around 30 mph and gets up to 100 mpg. It also has a drum brake system, telescopic fork suspension, and a single shock absorber in the rear. The Yamahopper was popular among teenagers and city commuters due to its fuel efficiency and ease of use. It has since become a popular vintage moped for collectors and enthusiasts.