BMW Motorrad R 1200 GS Rider's Manual page 83

Oil and grease on brakes
Brake disks and pads must be
free from oil and grease.
Dirt or mud on brakes
When riding on loose surfaces
or muddy roads, the brakes
may fail to take effect immedi-
ately because of dirt or mois-
ture on the disks or brake pads.
The brakes must first be
applied until the disks and
pads are clean.
Dirt on the brakes increases
the rate of pad wear.
Brake system - general
If the brake lever can be moved
right to the limit of its travel, this
indicates a mechanical or hy-
draulic fault. The brake system is
defective.
Immediately consult a special-
ized workshop, preferably an
authorized BMW Motorrad
retailer.
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