... Bore x Stroke (mm):88x64 Displacement (cc):389 Gasoline Engine Descripttion Engine Type OHV,Single Cylinder,4-Stroke,Air-Cooled Bore x ... Max.Output 13.0/3600HP/rpm Max.Output 9.56KW Compression Ratio 8.0:1 Displecement 389cc Starter System Recoil Starter Ignition ... N.W/G.W 33/35kg 13.0HP(GN188F)Gasoline Engine