BMW R1200RT Rider's Manual page 110

function. If the footbrake lever is
6
first actuated after this, the brake
pressure already built up can be
108
felt earlier than the counter-pres-
sure, than when the footbrake
lever is actuated before or to-
gether with the handbrake lever.
Lifting off rear wheel
However, during extremely heavy
and rapid decelerations it is pos-
sible that the BMW Motorrad In-
tegral ABS cannot prevent the
rear wheel from lifting off the
ground. In these cases, the mo-
torcycle can also flip end over
end.
z
Heavy braking can lead to
the rear wheel lifting off the
ground.
When braking, bear in mind
that the ABS control cannot
always be relied on to prevent
the rear wheel from lifting off the
ground.
What are the design
characteristics of the
Integral ABS?
The BMW Motorrad Integral ABS
ensures driving stability on any
surface within the limits of driv-
ing physics. The system is not
optimized for special require-
ments resulting under extreme
weather conditions off-road or on
the racetrack. Handling should
be adopted to driving skills and
road conditions.
Special situations
To detect the tendency of the
wheels to lock up, the speeds
of the front and rear wheel are
compared. If implausible values
are detected over an extended
period of time, the ABS function
is deactivated for safety reasons
and an ABS fault is indicated.
The condition for a fault code is
the completed self-diagnosis.
Apart from problems on the
BMW Motorrad Integral ABS,
unusual riding conditions can
also cause a fault message to be
generated.
Heating up on the main or aux-
iliary stand at idle or with gear
engaged.
Rear wheel locked-up for a
longer period of time by en-
gine brake, e.g. when riding
downhill on slippery surfaces.
Should a fault code occur due to
an unusual driving condition, the
ABS function can be reactivated
by switching the ignition off and
then on again.
How important is regular
maintenance?
Any technical system is al-
ways only as good as its
maintenance.
To ensure that the ABS is in a
properly maintained condition, it