Envisioned as a Christmas present for American kids, the long-selling PW50 born in 1980 is the smallest product of Yamaha’s Off-road Mania, and it wasn’t just a scaled-down off-road bike.
Pioneering Bikes for the Dirt “Off-road Mania”
Ch. VI: It Was a Labor of Love
https://global.yamaha-motor.com/showroom/offroadmania/ch6/