... -frame type, recoil or electric start optional. Gasoline Generator ModelKGF6500XKGF6500XE Rated frequency (Hz)50605060 Rated voltage (V)220110/220220110/ ... .63 Engine modelKG188FKG188FE Engine type1-cylinder, 4-stroke, air-cooled, gasoline engine Displacement (ml)389 Max engine power (kw/hr)8 ...