... .5hp gasoline engine with new design 2,easy to start, 3,multifunctional ,used as the power driver , 4,new design engine Bore ... x stroke:70 x 54mmCompression ratio: 8.5:1Displacement: 196mLMaximum power: 4 ... )Fuel tank capacity: 1US gallons (3.6L)Engine type: OHV 25 degree tilt single-cylinder, forced ... /gross weight: 35/40lbs 2012 new 196cc 6.5hp gasoline engine