1.16HP gasoline engine 2. 2.5HP 4HP 5.5HP 6.5HP 9Hp 11HP ... Cooled,4 Stroke,OHV Gasoline,Single CylinderAir Cooled,4 Stroke,OHV Gasoline,Single CylinderAir Cooled,4 Stroke,OHV Gasoline,Single CylinderDisplacement (CC)337CC389cc416Engine ... oil level warning alarmYYYElectric start and BatteryOptionalOptionalOptional 2.color3. 16HP gasoline engine