Muscular Monkey Bike: 1989 Yamaha YSR-50
This 1989 Yamaha YSR-50 isn’t anywhere close to perfect, but it is a nice, functional example of what was a very popular — if slightly weird — part of Yamaha’s past. They might be tiny, but modifications abound for the 7 horsepower, 50cc two-stroke single, which will raise the top speed above the original 38…
