The SRViper is a proven, reliable performer in the 125HP class. Sleek aerodynamic lines are reflected in its second-generation body work. The naturally aspirated 1049cc engine delivers plenty of torque for superb throttle response. Power delivery is silky smooth and rider ergonomics are state‑of‑the‑art. The SRViper like all Yamaha 4‑strokes, is extremely fuel efficient, clean and reliable. Engineered for the long run.