brake pads BMW MOTORRAD R 1150 GS 2002 Rider's Manual (in English)

2
29
Safety check
Checklist
For this reason, check the
details in the following sections
before you start the journey:
– Fuel level
– Positions of the handlebar-lever fittings
–Brakes
– Brake fluid level
– Clutch fluid level
– Warning lights and telltale lights
–Lights
– Shock absorber settings and spring preload
– Wheel rim and tyre condition,
tread depth and tyre
pressures
– Load, gross weight – Check regularly (every time
you stop for fuel),
on the basis of the following
section:
– Engine oil level
(every second/third stop for
fuel):
– brake pads
If you encounter any problems
or difficulties, it is always best to
contact your authorised BMW
motorcycle dealer. He will pro-
vide the necessary advice and
assistance.
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2
37
Safety check
Brake system - general
Checking brake pads
d Warning:
Have the brake pads replaced
before they wear to the mini-
mum permissible thickness:
have the work performed
by a specialist workshop,
preferably an authorised
BMW motorcycle dealer. Brake pad wear depends on
your personal style of riding.
To ensure reliable operation of
the brakes: Have the brake
pads replaced before the mini-
mum permitted thickness is
reached (Maintenance Instruc-
tions b Chapter 2).
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2
38
Safety check
Brake system - without BMW Integral ABS
Checking brake fluid levelGradual wear of the brake pads
causes the brake fluid level in
the reservoir to sink.
d Warning:
Have the brake system
checked immediately if the
brake fluid level in the reser-
voir of the front or rear brake
system drops below the MIN
mark (
b 39, 40) ; have the
brake system checked imme-
diately by a specialist work-
shop, preferably an
authorised BMW motorcycle
dealer.
Changing brake fluid
d Warning:
Brake fluid is subject to
severe thermal loads and
absorbs moisture from the
atmosphere.
The brake fluid must there-
fore be changed regularly
(Maintenance Instructions
b Chapter 1) by a specialist
workshop, preferably an au-
thorised BMW motorcycle
dealer.
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2
39
Safety check
Checking front brake fluid
level
d Warning:
Do not permit the brake fluid
level to drop below minimum
(MIN).
 Place the motorcycle on the centre stand
– Make sure the ground is level and firm
 Handlebars in straight-ahead
position; front wheel in con-
tact with the ground  Check brake fluid level at
sight glass
MIN minimum level
(centre of sight glass)
L Note:
Gradual wear of the brake pads
causes the brake fluid level in
the reservoir to drop.
Brake system - without BMW Integral ABS
MIN
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2
40
Safety check
Checking rear brake fluid
level
d Warning:
Never permit the brake fluid
level to drop below the MIN
mark on the reservoir
 Place the motorcycle on the centre stand
– Make sure the ground is level and firm  Check the brake fluid level
MAX maximum level
MIN minimum level
L Note:
Gradual wear of the brake pads
causes the brake fluid level in
the reservoir to drop.
Brake system - without BMW Integral ABS
MIN
MAX
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2
41
Safety check
Brake system - with BMW Integral ABSOE
Checking brake fluid level
d Warning:
On a motorcycle equipped
with BMW Integral ABS, the
brake fluid level in the reser-
voir does NOT drop as the
brake pads wear (b 43, 44).
d Warning:
If the brake fluid level in the
reservoir (
b 43, 44) drops be-
low the MIN mark, have the
brake system checked imme-
diately by a specialist work-
shop, preferably an author-
ised BMW motorcycle dealer.
Changing brake fluid
d Warning:
Brake fluid is subject to
severe thermal loads and
absorbs moisture from the
atmosphere.
The brake fluid must there-
fore be changed regularly
(Maintenance Instructions
b Chapter 1) by a specialist
workshop, preferably an au-
thorised BMW motorcycle
dealer.
OEOptional extra
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2
43
Safety check
Checking front brake fluid
level
d Warning:
Never permit the brake fluid
level to drop below the mini-
mum level (MIN mark)
 Place motorcycle on centre stand
– Make sure the ground is
level and firm
OEOptional extra
 Handlebars in straight-ahead position and front wheel in
contact with the ground
 Read off brake fluid level in sight glass
MIN minimum level
(centre of sight glass)
L Note:
The brake fluid level in the
brake fluid reservoir remains
constant despite wear of the
brake pads.
Brake system - with BMW Integral ABSOE
MIN
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2
44
Safety checkMIN
Checking rear brake fluid
level
d Warning:
Never permit the brake fluid
level to drop below the MIN
mark on the brake fluid reser-
voir
OEOptional extra
 Place motorcycle on centre
stand
– Make sure the ground is level and firm
 Check the brake fluid level
MIN Minimum level
L Note:
The brake fluid level in the
brake fluid reservoir remains
constant despite wear of the
brake pads.
Brake system - with BMW Integral ABSOE
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3
67
Starting – Riding – Parking
Running in
Running in new brake
pads
d Warning:
New brake pads must “bed
down” and therefore do not
achieve their optimum friction
levels during the first 500 km
(300 miles).
This slight initial reduction in
braking efficiency can be
compensated for by exerting
greater pressure on the lever.
Try to avoid all unnecessary
hard braking during this initial
period.
e Attention:
Comply with the notes on
BMW Integral ABS
OE
(b 80- 89).
OEOptional extra
Running in new tyres
d Warning:
New tyres have a smooth sur-
face. This must be roughened
by riding in a restrained man-
ner at various heel angles
until the tyres are run in.
This running in procedure is
essential if the tyres are to
achieve maximum grip.
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78
Starting – Riding – Parking
Brake system - general
Wet bra kesAfter the motorcycle has been
washed, ridden through water
or ridden in the rain, the brake
discs and pads may be wet (or
iced-over in winter), and may
not take effect immediately.
d Warning:
The brakes have to dry be-
fore they start to bite.
Salt on brakesThe full braking effect can be
delayed if the motorcycle is rid-
den on salt-covered roads and
the brakes are not applied for
some time.
d Warning:
The layer of salt on the brake
discs and pads must first be
worn away.
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