Phase 1
Check on system components
monitored by diagnostic sys-
tem while motorcycle is parked.
ASC indicator and warning
light flashes slowly.
Phase 2
Checks diagnosis-capable sys-
tem components when motor-
cycle starts to move.
ASC indicator and warning
light flashes slowly.
ASC self-diagnosis
completed
The ASC symbol is no longer
displayed.
Watch all warning and indicator
lights on the display.
ASC self-diagnosis rou-
tine not completed
The Scooter must reach a
specified minimum speed with
the engine running before the
system can check operation of
the wheel speed sensors:
min 3 mph (min 5 km/h)
If an ASC error is displayed after
the ASC self-diagnosis is com-
pleted:
It remains possible to continue
riding. It must be noted that
the ASC function is not avail-
able.
Have the malfunction corrected
as soon as possible at an
authorized service facility,
preferably an authorized
BMW Motorrad Retailer.
If the ASC intervenes without
it being necessary, too often
or to early, the troubleshooting
chart may be of assistance.
( 184)
Riding
At engine speeds below approx.
1500 rpm, the centrifugal clutch
remains open and the Scooter is
in idle mode. If the engine speed
is increased, the clutch closes
and the Scooter begins moving.
In the range from approx.
30 mph (50 km⁄h) to approx.
75 mph (120 km⁄h), the engine
accelerates, with the throttle
valve fully open, with a slightly
increasing engine speed in the
vicinity of maximum torque. The
change in speed is achieved by
the CVT. Therefore, the engine
noise only changes slightly in this
speed range.
Speeds above approx. 75 mph
(120 km⁄h) are achieved by in-
creasing the engine speed.
8
122
z
Riding
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