BMW K 1100 LT, Repair Manual

Page: 33 / 364

00.25
Checking idle speed, synchronising
and CO value and adjusting if nec-
essary
Inspections I, II, III, IV
L
Note:
The basic settings (ignition, valve clearance) must
be correct.
Adjusting idle speed
•
Remove knee pad.
•
Remove left side section of fairing.
•
Remove caps (1) at the vacuum connections.
•
Connect hoses of the synchrotester,
BMW No. 13 0 800, in the specified order (note
markings 1 - 4 on tester housing).
•
Connect tester to motocycle’s power socket with
the corresponding adapter lead.
•
Start engine and allow to run for app.10 minutes
if not already warm.
e
Caution:
Max. idling time at a standstill = 20 minutes.
•
Run the engine at idle speed.
•
Select “bar diagram” display with maximum
resolution.
L
Note:
If the differences between the individual bars (col-
umns) is very large (more than 2 - 5 mm) switch over
to curve display and compare the individual cylin-
ders with each other; perform defect diagnosis if
necessary.
•
Rectify defects.
e
Caution:
The throttle butterfly adjusting screws (2) are sealed
with lacquer and must not be turned.
•
Adjust synchronisation at idle speed by turning
the air control screws (3) until the bars/curves are
at the same height, then adjust idle speed.
Idle speed........................................... 950 ± 50 rpm
LT000280
3
1
2
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