Detailed information of gasoline engine:Model HS168F(5.5HP) Engine Type OHV Air-cooled 4-Stroke OHV Single Cylinder Horizontal shaft Max Power Output (kw/r/min) 3.7/4000 Displacement (cc) 163 Bore×Stroke (mm) 68×45 Compression Ratio 8.5:1 Fuel Consumption (g/kw.h) 395 Oil Capacity(L) 1.9 Fuel Consumption (L) 0.6 Net weight (kg) 15kg Package dimension (mm) 400×330×380