... engine usage:generating,water pump,boat,etcspecifications:4,7,10,12hp available100% copper wire,CE,ISO9001air ... cooled,4-strokecrankshaft or camshafthand start or electric startdetails: ... ModelYM186F(SE)TypeSingle cylinder,vertical,4-stroke,air cooledCombustion System Direct InjectionBore X Stroke ... (kg)48/51Dimension(mm)480*460*540