1. air cooled, 4 cycle, single cylinder, side valve 2. max output 5.0 hp 3. automobile gasoline unleaded 4. recoil starter ... ModelFSH20-ATypeair-cooled, 4-cycle, single clinder, side ... valveBroke*stroke(mm)67*52Displacement(cm3)183Rated output KW(HP)/rpm2.65(3.5 ...