The SK250 (X6) adopts a single-cylinder four-stroke air-cooled engine with a fashionable appearance. The maximum power is 12kw, and the maximum speed of this street racing bike is 140km/h; it’s maximum torque is 15N*M can easily beat other 250cc displacement motorcycles. After ignition, its low and steady sound at idle speed stirs up your passion; the power transmission is effective as the engine’s explosive force is passed to its rear wheel instantly upon the release of the clutch. With the increase of revolution, we can feel that the power of SK205(X6) is good at the medium and high speed output; acceleration is made easy even when carrying the 75kg test rider, gear shift is smooth without any touble.