BMW R 1200 RT Rider's Manual page 104

– 3 rings: at least 75 %
6
– 2 rings: at least 50 %
– 1 ring: 50 to 25 %
102
– No rings visible:
• Check brake-pad thickness;
replace the brake pads if
necessary.
Checking brake fluid
level
Changing the position of
the brake-fluid reservoir
can allow air to penetrate the
brake system.
Do not turn the handlebar fit-
ting on the handlebar.c
1 Minimum brake fluid level,
front
2 Minimum brake fluid level,
rear
• Make sure the ground is
level and firm and place the
motorcycle on its centre
stand.
• Turn the handlebars to a
position in which the front
brake-fluid reservoir is hori-
zontal.
• Check the level of fluid in the
reservoirs.
The brake fluid level re-
mains constant despite
wear of the brake pads.c
Any drop in brake fluid level,
even if the level remains above
the minimum mark, is indica-
tive of a fault in the brake
system.