RS150R is powered by a liquid-cooled 149.2cc, four-valve DOHC engine that produces a maximum power of 11.8kW @9,000 rpm and a maximum torque of 13.6 Nm @7,000 rpm. The engine is matched to a six-speed gearbox and manual clutch, with chain final drive for exceptional riding performance. Certified as an Energy Efficient Vehicle (EEV) which provides more miles for each fuel. Single Cylinder, Liquid-cooled, DOHC 4-Stroke 4 Valve.