-Type: two-stroke piston valve petrol aircraft engine
-Displacement: 55cc (27.2cc x 2)
-Bore x Stroke: 34mm x 30 mm
-Dry Weight: 1780g (without ignition battery)
-Carburetor: Walbro (Diaphragm & butterfly valve)
-Max Output: 5.6 HP @ 7600 rpm
-RPM range: 1600-7800 rpm
-Ignition: 4.8v Auto Timing Ignition
-Fuel mix (ratio of gasoline and oil): 25 to 40:1
-Propeller: 20 x 12 to 23 x 8 (2-blade prop) (suggested prop 22x 8)