Parameter:
Displacement (cc) : 50cc (Twin cylinders)
Bore x Stroke (mm): 34mm*28.6mm
Carburetor: Walbro pump & diaphragm butterfly valve type
Ignition : DC-CDI (computer controlled auto advance, electronic ignition system)
Power supply: 4.8 - 6V
Maximum output: 4.7hp/ 3.51KW
Speed range: 1500 to 7500RPM
Gasoline version: pre-mixed fuel, 25-40 gasoline :1 (90 octane gasoline)
Weight (with ignition & muffler): 1750g
Weight (without ignition & muffler): 1450g
Propeller: 20x 10 7100RPM (standard two leafs prop)

Includes:
1 x engine
1 x Walbro carburetor
1 x muffler
1 x CDI
2 x glow plugs
4 x standoffs
1 x English manual