Displacement: 625.00 ccm Engine type: Single cylinder Stroke: 4 Power: 54.80 HP @ 7500 RPM Torque: 60.00 Nm @ 5500 RPM Compresion: 11.5:1 Bore x stroke: 101.0 x 78.0 mm (4.0 x 3.1 inches) Fuel system: Carburettor Valves per cylinder: 4 Cooling system: Liquid Gearbox: 5-speed