Specifications:-

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

Specifications:-

Capacity : 50cc
Configuration : 2C single cylinder air cooled
Carburetor : Walbro pump
Ignition : CDI ignition
Power supply : 4.8-6V
Weight : 1550g including ignition and muffler
Maximum output : 5.2BHP / 7500RPM
Maximum RPM : 9000 rpm
Idle RPM : 1400 rpm
PETROL / GASOLINE : Unleaded 2 stroke 30:1-45:1 OIL : 2 - cycle high performance (synthetic is recommended)
MIX : 1:30 to 1:45
Recommended oil : 2C racing oil and mix 1:45
Prop selection : 22 - 4 x 8-10

Specifications:-

Performance...
                            Output Power:               10.2HP at 7500rpm
                            Idle Speed:                     1400 rpm
                            Static Thrust:                 52.9lbs at 100 meters altitude
                                                                       45.6lbs at 1800 meters
                    Dimensions...
;                           Displacement:               101.6cc
                            Bore and Stroke:          43mm×35mmX2
                            Compression Ratio:     7.5:1
                            Weight:    2950 grams / 6.5lbs.
                    Requirements...
                            Fuel:    2C Regular Gas mixed 30:1 - 45:1 (petroleum based for break in,
                                          synthetic thereafter)
                            Propeller:                        27x10 benchmark; 26×10; 27x12; 28x10
                            Ignition Battery:            4.8 to 6.0 Volts >=2000Mah
                            Replacement Spark plug:    NGK CM6 or equivalent
                                            Gap:     0.018" to 0.020"
                                            Installation torque:    7 to 8 ft-lbs.
                    Configuration...
                            2Cycle air cooled
                            Walbro membrane pump carburetor with manual choke