49cc 2-stroke single cylinder with oil injection It also had a wind-up spring starting system, points ignition, and manual choke. 49cc 2-stroke single cylinder with oil injection It also had a wind-up ...

The Yamaha PW50 is a two-stroke off-road bike that made its debut way back in 1981. The PW50 was designed for kids who are just learning to ride off-road. In other words, the PW50 is designed to help ...