.Powered by Yamaha's MZ360; 357cc, air-cooled (fan assist), OHV, 2-valve, 4-stroke, single cylinder engine with electronic transistor controlled (TC) ignition. .Super convenient electric starting .Pulse Width Modulation provides super "clean" power. As clean or cleaner than you get from a household receptacle. .Rated AC output for continuous use is 5,500 watts

45.8 amps @ 120 volts & 5,500 watts

22.9 amps @ 240 volts. .Bonded neutral. .Dual 120

240 volt output offers excellent versatility.