... lawn mowerEngine1P64FEngine TypeSingle Cylinder,Two-Stroke,Air-cooled ,Gasoline EngineDisplacement135ccPower Output4.0HPFuel Mixed RatioGasoline:Two-cycle Oil(25 ... lawn mowers for the fourstroke gasoline, gasoline, oil separately using. Using more than 90 # gasoline, the fourstroke engine oil, ... will cause severe breakage, cylinder damage. Oil brand motor oil is recommended, such as Mobil 1130, or ...