Model: HS188F Engine stype: Air-cooled , single cylinder , four-stroke , cylinder incline angle 25 , in the top) Bore?stroke: 88?64 Displacement: 389 Compassion ratio: 8﹕1 Max. power: 9.5(13)/3600 Max. torque: 26.5/2500 Oil capacity: 6.5 Gasoline capacity: 1.1 Min. oil consumption: ≤395 Ignition: Non joint transistor Start: Hand pulling & bounce-back Dry weight: 31