... cycle, single cylinder, side valve 2. max output 5.0 hp 3. automobile gasoline unleaded 4. recoil starter ModelFSH20-ATypeair-cooled ... (mm)67*52Displacement(cm3)183Rated output KW(HP)/rpm2.65(3.5)/3600Max output KW(HP)/rpm3.73(5.0)/4000 Direction ... .6 Spark plug E6TC Starting system Recoil starter 5.0 hp single cylinder 4-cycle gasoline engine