5.5HP,163CC ,68X45MM Gasoline Engine Forced air-cooled,4 stroke,OHV, Recoil starter 3.6l, ... 230g/HP.H 5.5HP,163CC,68X45mm gasoline EngineEngine type : Forced air-cooled, 4-storke,OHVBore*stroke(mm ... /1720GP/40GP/40HQ: 600/1200/1200 5.5HP 163CC 68x45mm gasoline Engine