Feature:
2 Stroke air cooled single cylinder
Walbro membrane pump carburetor with dual needles and manual choke
Automatic advancing electronic ignition

Engine Parameter:
Engine type ??? 2—Stroke gasoline engine
Displacement???23cc
Bore × Stroke: 33.3mm × 27mm
park plug: NGK CM6 or JC CM6
Carburetor: Walbro special-designing vacuum pump diaphragm type duplex needle carburetor
Max power ??? 3.5hp/9500rpm
Practical running speed ??? 1100 ??? 9500rpm
Net Weight ??? 980g (incoulding CDI and muffler)
Ignition system ??? CDI battery ignition (battery voltage: 4.8v—6v)
Grease oil ratio ??? 25-30:1 used during the break-in (the initial 2 working hours); 35-40:1 used after the break-in.
Screw propeller dimension ??? 16*8, 16*10, 17*8, 17*10, 18*8