Carburetor - Adjusting The Idle Speed - Husqvarna TC 250 2021 Owner's Manual

15.5

Carburetor - adjusting the idle speed

Super unleaded (95 octane) mixed with 2-stroke engine oil
(1:60) ( p. 128)
The idle speed is adjusted with adjusting screw
The idle mixture is adjusted using the idle air adjusting screw
–
Screw in idle air adjusting screw
the specified basic setting.
Info
The basic adjustment is shown under the respective
model.
–
Run the engine until warm.
Guideline
402799-11
Warming-up phase
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
Guideline
Choke function deactivated – The choke lever is pushed in
to the stop. (
Idle speed
–
Turn idle air adjusting screw
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.
TUNING THE ENGINE 15
1
1
all the way and turn it to
≥ 5 min
2
p. 17)
1,400 ... 1,500 rpm
1
slowly in a clockwise direc-
.
2
.
.
105