Husqvarna F2101U0, Owner'S Manual

Page: 107 / 137

TUNING THE ENGINE 15
105
Super unleaded (98 octane) mixed with 2-stroke engine oil
(1:40) (
p. 127)
The idle speed is adjusted with adjusting screw
1
.
The idle mixture is adjusted using the idle air adjusting screw
2
.
15.5 Carburetor - adjusting the idle speed
402799-11
–
Screw in idle air adjusting screw
1
all the way and turn it to
the specified basic setting.
Info
The basic adjustment is shown under the respective
model.
–
Run the engine until warm.
Guideline
Warming-up phase
≥
5 min
Danger
Danger of poisoning
Exhaust gases are toxic and
inhaling them may result in unconsciousness and
death.
–
Always make sure there is sufficient ventilation
when running the engine.
–
Use effective exhaust extraction when starting or
running the engine in an enclosed space.
–
Adjust the idle speed with adjusting screw
2
.
Guideline
Choke function deactivated
–
The choke lever is pushed in
to the stop. ( p. 17)
Idle speed 1,400 … 1,500 rpm
–
Turn idle air adjusting screw
1
slowly in a clockwise direc-
tion until the idle speed begins to fall.
–
Note the position and turn the idle air adjusting screw slowly
counterclockwise until the idle speed again begins to fall.
–
Adjust to the point between these two positions with the
highest idle speed.