... 5hp gasoline engine , 2,easy to start, 3,multifunctional ,used as the power driver , Bore x stroke:70 x 54mmCompression ratio: 8.5 ... :1Displacement: 196mLMaximum power: 4.8kW (6.5HP)/3,600rpmMaximum torque: 13. ... capacity: 1US gallons (3.6L)Engine type: OHV 25 degree tilt single-cylinder, forced air-cooled and four-strokeStart ... /gross weight: 35/40lbs 6.5hp gasoline engine