BMW K1200 LT Technical Information Page 90

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3
85
Starting – Riding – Parking
Brake system - with BMW Integral ABS
What do we observe during
rider safety training?
Braking in which ABS has to inter-
vene has, by comparison with nor-
mal braking, a significantly higher
demand for electricity which puts
a heavy load on the battery. The
battery is constantly being
charged in normal riding so that it
always has sufficient capacity
available. If the motorcycle is not
to be ridden for several weeks, a
trickle charger, which can be ob-
tained from your BMW Motorrad
dealer, should be connected or
the battery disconnected and then
recharged before starting riding
again.
During rider safety training,
an unusual number of ABS-con-
trolled braking operations take
place in rapid succession inter-
spersed with periods of waiting
and assessment in which the
motorcycle is not being ridden.
The battery is put under heavy
load by the ABS control actions,
but at the same time it is not being
recharged as practically no riding
is being done.
In isolated cases, in this artificially
created situation, braking opera-
tions in which the brake lever is
operated with maximum force and
extreme speed, in combination
with declining on-board supply
voltage, can bring the ABS up to
its technical limits in which its con-
trol function is no longer fulfilled.
Field observations carried out by
BMW Motorrad indicate that a
comparable situation has not
arisen in traffic or even during
training rides.
10LTbkg6.book Seite 85 Mittwoch, 16. Mai 2007 10:35 10
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