HONDA 4-stroke, OHV (overhead valve), single cylinder, air-cooled engine. Cast iron ... better protection.Oil alert system with automatic engine shut-off.HONDA 4-stroke, OHV (overhead valve), single cylinder, air-cooled engine. ... Factor1DC Output12V/8.3A (optional)EngineHONDA GX390TypeAir-Cooled, Four-Stroke, OHV Single CylinderDisplacement(cc)389Starting SystemRecoilLubrication oilSAE 10W/30Fuel Tank ...