BMW R 1200 GS Rider's Manual page 121

Check the brake fluid level in
front reservoir 1.
Wear of the brake pads
causes the brake fluid level
in the reservoir to sink.
Brake fluid level, front
Brake fluid, DOT4
It is impermissible for the
brake fluid level to drop be-
low the MIN mark. (Brake-
fluid reservoir horizontal, mo-
torcycle upright)
If the brake fluid level drops be-
low the permitted level:
Have the defect rectified as
quickly as possible by a spe-
cialist workshop, preferably
an authorised BMW Motorrad
dealer.
Check the brake-fluid
level, rear brakes
A low fluid level in the
brake reservoir can allow air
to penetrate the brake system.
This significantly reduces braking
efficiency.
Check the brake-fluid level at
regular intervals.
Make sure the ground is level
and firm and place the motor-
cycle on its centre stand.
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