... convenient to carry.They are widly used as ideal power in many fields such as generating set,tour,open working, ... -cylinder with air-cooledBore*Stroke68*54mm68*54mm68*54mmDisplacement163CC196CC242CCCompression Ratio8.5:18.5:18.2:1Maximun Power Output4.0Kw/3600rpm4.8Kw/3600rpm5 ... W*H)312*365*334mm312*375*336mm378*428*408mmNet Weight15kgs16kgs25kgs 5.5HP Gasoline engine 5.5 HP gasoline engine FST168-1