Specification:
- Performance: 3.7HP/8500rpm
- Idle speed: 1600 rpm/min
- 8.5Kg Static Thrust/ 100 meters Altitude
- 7.5Kg Static Thrust/ 1800 meters Altitude
- Propeller: 18 X 8 ; 18×10 ; 19×8; 20×8
- Sparking plug: NGK CM6

Parameter:
- Exhaust Amount: 30.5cm3
- Diameter X stroke: 36mm×30mm
- Ratio of compression: 7.6:1
- Ratio of lubricating: 30:1
- Weight: Main Engine - 910g ; Muffler - 60g ; Ignition device - 120g ; Engine mount - 20g