25 THROTTLE VALVE BODY
310
25.1 Adjusting the idle speed
Warning
Danger of accidents The engine may go out spontaneously if the idle speed is set too low.
– Set the idle speed to the specified value.
H02419-11
– Run the engine until warm.
The cold start button is deactivated – A further ¼ turn
returns the cold start button back to the basic position.
( p. 311)
Danger
Danger of poisoning Exhaust gases are toxic and inhal-
ing them may result in unconsciousness and death.
– Always make sure there is sufficient ventilation
when running the engine.
– Use an effective exhaust extraction system when
starting or running the engine in an enclosed
space.
– Adjust the idle speed by turning idle speed adjusting
screw
1
.
Guideline
Idle speed 1,400 … 1,500 rpm
Tachometer (45129075000) ( p. 363)
Info
Turn clockwise to decrease the idle speed.
Turn counterclockwise to increase the idle speed.
Make the setting in small steps.
An incorrect idle speed can have a negative impact on
overall engine running.
25.2 Programming ambient pressure
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 an effective exhaust extraction system when starting or running the engine in an enclosed space.
Info
If the vehicle is ridden with the engine running at various heights above sea level, the ambient pressure is
programmed on an ongoing basis.
If the vehicle is transported over great differences in height, the ambient pressure must be reprogrammed.
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