Gasoline engines(SG168F) Engine type: four-stroke, single-cylinder OHV forced air-cooled gasoline engine Air cleaner type: semi-dry oil bath with dual double silent and cyclone type Bore x stroke: 68 x 45mm Displacement: 163cc Maximum power output: 5.5HP/3,600rpm Ignition system: non-contact transistorized ignition (TCI) Starting system: recoil hand operated/electric start Fuel tank capacity: 3.6L Engine oil capacity: 0.6L Dimensions: 312 x 262 x 335mm Dry weight: 15kg Standard: EPA,CARB, CE,EC-11 ISO9001.2000,SONCAP