The Yamaha SW396 is a motorcycle produced by Yamaha. The vehicle was first introduced on the American market in 1970. The European market would see this machine as the SW400B Europe in 1972. This machine was the predecessor of the SW 643 and the later SW440.
The engine of the SW396 and SW400 was an 396 cm² two-stroke engine with 27 horsepower at 5500 rpm.
Read more about Yamaha SW396: Specifications