17 TUNING THE ENGINE
128
17.4 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. (Your authorized KTM workshop will be glad to help.)
S05514-10
– Run the engine until warm.
The cold start button is deactivated – The cold start but-
ton is in its basic position. ( p. 21)
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 effective exhaust extraction when starting or
running the engine in an enclosed space.
–
Adjust the idle speed by turning idle speed adjusting screw
1
using a suitable tachometer.
Guideline
Idle speed 1,400 … 1,500 rpm
Info
Turning clockwise raises the idle speed.
Turning counterclockwise lowers the idle speed.
Make the setting in small steps.
An incorrect idle speed can have a negative impact on
overall engine running.
For optimum performance, it is recommended to adjust
the idle speed using the dedicated functions in the
diagnostics tool.
17.5 Programming ambient air 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 effective exhaust extraction 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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