Engine: Aprilia forward-facing parallel twin, four stroke,
liquid-cooled with radiator and water-oil heat exchanger, DOHC with
silent chain on the right side, four valves per cylinderEngine capacity: 659 ccBore x stroke: 81 x 63.93 mm
Max power: 105 HP (77.2 kW) @ 10,400 rpm
Max torque: 68 Nm ..