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31/CARBURETOR
Checking the throttle valve sensor position
21.20
–
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.
–
Adjust the idle speed with the adjusting screw
Specification
Choke function deactivated – The choke lever is pushed in to the stop.
(
P. 145)
Idle speed
Info
Following extreme air temperature or altitude changes, adjust the idle speed
again.
–
Remove the fuel tank. (
–
Unplug the connector of throttle valve sensor TPS
600401-10
–
Connect the special tool to both plug-in connectors
Adapter cable (83029043000) (
–
Switch on the ignition.
–
Connect the positive cable of the multimeter to the yellow
wire to the black
age.
Variable throttle valve sensor
voltage V
var
600403-10
»
If the specified value is not reached:
–
Carburetor - adjust the idle speed. (
–
Adjust the position of throttle valve sensor TPS. (
»
If the specified value is reached:
–
Switch off the ignition.
–
Remove the special tool.
Adapter cable (83029043000) (
–
Attach the connector of the throttle valve sensor TPS
–
Install the fuel tank. (
P. 53)
P. 215)
cable of the special tool. Measure the throttle valve sensor volt-
(throttle slide closed)
P. 54)
.
1,500... 1,600 rpm
.
.
cable and the ground
0.505... 0.855 V
P. 157)
P. 152)
P. 215)
.
158
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