13.5
Adjusting idle speed
L
Note:
The basic setting (ignition, valve clearance) must be
correct.
•
Remove knee pad.
•
Remove left side fairing.
•
Remove protective caps (1) at the vacuum con-
nections.
•
Connect connection hoses of the Synchrotester,
BMW No. 13 0 800, one after the other (note
hose markings 1-4 on tester housing).
•
Connect tester to vehicle with the corresponding
adapter lead.
•
Start engine and run at a standstill for app. 10
minutes if not already warm.
e
Caution:
Do not run for more than 20 minutes at a standstill.
•
Run the engine at idle speed.
•
Select “bar diagram” and maximum resolution.
L
Note:
If the differences between the individual columns
are too great (more than 2...5 mm
(0.07874...0.19685 in)), switch over to curve display
and compare the individual cylinders with each oth-
er; perform fault diagnosis procedure if necessary.
•
Repair any faults found.
e
Caution:
Throttle adjusting screw (2) is secured with lacquer
and must not be turned.
•
Adjust synchronisation and idle speed by turning
the air control screws until the bars/curves are at
the same height; adjust engine idle speed.
Idle speed
......................................... 950 ± 50 rpm
LT000280
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