Explanation:

Piston displacement Cylinder:50.8cc;
Output:4.2hp/3.13kw;
Bore: 34mm ;
Stroke: 28mm ;
Carburetor:Walbro pump type;
Spark Plug:Resistor  Spark Plug;
Weight: 1,705g (Including muffler and ignition system);
Ignition Voltage:4.8V-6V;
Ignition:Computer Controlled auto advance,electronic ignition system;
Propeller:2-Blades(20*8  7400-7600rpm)(20*10 7100-7300rpm)(22*8 6200-6400rpm);
Speed range:1400--9000rpm;
Mixed than:(30-40):1(90% high otcane unleaded gasline);
Import gas into carbon fiber installations valves.
Cooling System:Air Cooled