- 2 Stroke air cooled single cylinder
- Walbro membrane pump carburetor with dual needles and manual choke
- Automatic advancing electronic ignition
Engine type ： 2—Stroke gasoline engine
Bore × Stroke: 36mm × 30mm
park plug: NGK CM6 or JC CM6
Carburetor: Walbro special-designing vacuum pump diaphragm type duplex needle carburetor
Max power ： 4.0hp/9000rpm
Practical running speed ： 1100 － 9000rpm
Net Weight ： 1100g (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 ： 18*8, 18*10, 19*8, 19*10
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