... )brushless,self-exciaton,2-poles,single phase (3)single cylinder,air-cooled,2-stroke,mix50:1 ModelYK900 GeneratorBrushless,self-exciaton,2 ... output(V/A)12V/8.3A Engine Model1E45F TypeSingle cylinder,air-cooled,2-stroke,mix50:1 Starting systemRecoil start Fuel tank ... below: Schematic for your reference:Some sections of factory: YK900 air-cooled noiseless gasoline generator