Performance:
• 3.7HP/8500rpm
• Idle Speed: 1600 rpm/min
• 8.5Kg Static Thrust/ 100 meters Altitude        
• 7.5Kg Static Thrust/ 1800 meters Altitude
• The specification of the aircraft propeller: 18 X 8; 18×10; 19×8; 20×8;
• The type of the sparking plug: NGK CM6

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