1. Direct-injection engine,strong and powerful 2. Long life, ... discharge port50mm/2inchEngineModelSP168FTypeOHV 4--stroke, 25°inclined,single cylinder with forced air-cooledBore* ... Stroke(mm)68*45Displacement(cc)163Compression Ratio8.5:1Max. Output(Hp/rpm)5 ... 8Air Cleanersemi-dry, oil bath, dual, double silent and cyclone typeIgnition SystemNon ... -WP20B 2 inch gasoline water pump