Engine Type: 4-stroke, single-cylinder, air-cooled, OHV gasoline engineDisplacement: 420cc to 460ccEngine Power: 13 HP to 16 HPRated Speed: 3,000 RPM (50Hz) or 3,600 RPM (60Hz)Starting System: Dual configuration consisting of an Electric Key Start (with a 12V battery included) alongside a Manual Recoil Pull Start backup