2015 Yamaha SR400 engine 399cc air-cooled 4-stroke single-cylinder engine with one intake valve, one exhaust valve, and one exhaust pipe – timeless simplicity. Add a slim chassis with a natural riding position that delivers sporty relaxed handling. What you get is an authentic design and pure mechanical beauty that makes the SR400 a true classic. SR is a legendary classic that’s a kick to ride.
Yamaha Motorcycles