MAINTENANCE ON CHASSIS AND ENGINE 71
The idle speed is adjusted with the adjustment screwb
.
The idle mixture is adjusted with the idle mixture adjustment screwb
.
Carburetor - adjusting idlebx
600145-10
ದ Screw in the idle adjusting screwb until it stops and then to the prescribed basic
setting.
Specification
Idle mixture adjusting screw
Open 1.0bturn
Adjustment tool for mixture control screw (59029034000)
ದ Run the engine until warm.
Specification
Warm-up time ุb5bmin
ದ Adjust the idle speed with the adjusting screwb
.
Specification
Choke function deactivated ದbThe choke lever is pushed in to the stop. ( P. 17)
Idle speed 1,500… 1,600brpm
Info
If the idle speed is set significantly higher, the engine does not start. When
the electric starter button is activated, the electric starter turns over the
engine, but the engine does not start because there is no ignition spark.
ದ Turn the idle adjusting screwb
slowly until the idle speed begins to fall.
ದ Note the position and turn the idle adjusting screw slowly counterclockwise until
the idle speed falls.
ದ Adjust to the point between these two positions with the highest idle speed.
Info
If there is a big engine speed rise, reduce the idle speed to a normal level
and repeat the above steps.
The extremely sporty rider will set the mixture about 1/4 of a turn back from
this ideal value (leaner, in a clockwise direction) since the engine becomes
hotter in sporting use.
If the procedure described here does not lead to satisfactory results, the
cause may be a wrongly dimensioned idling jet.
If you can turn the idle adjusting screw to the end without any change of
engine speed, you have to fit a smaller idling jet.
The idle adjusting screw must not be opened more than two turns. If more
than two turns are necessary (rich mixture), use a larger idling jet.
After changing the idling jet, start from the beginning with the adjusting
steps.
ದ Adjust the idle speed with the adjusting screwb
.
Specification
Choke function deactivated ದbThe choke lever is pushed in to the stop. ( P. 17)
Idle speed 1,500… 1,600brpm
Info
Following extreme air temperature or altitude changes, adjust the idle speed
again.
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