brake fluid BMW MOTORRAD R 850 R 2003 Rider's Manual (in English)

21
5
General information and controls
9Stowage compartment for
on-board toolkit
10 Fuse box
11 Air filter (
b Maintenance
Instructions, Chapter 2)
12 Fuel filler cap
(
b 24)
( ) Figure in brackets
bpage number for description
13Front brake-fluid reservoir
(
b 31, 35)
14 Type plate/vehicle identifi-
cation number
15 Spark plug, right
16 Rear brake-fluid reservoir
(
b 32, 36)
17 Helmet-holder lock (
b 16)
General view, right side
911101213
14151617
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21
Safety check
2
For this reason, check the
details in the following sections
before you start the journey:
–Fuel level
– Positions of the handlebar-
lever fittings
– Brake fluid level
– Clutch fluid level
– Brakes
– Warning lights and telltale
lights
– Lights
– Shock-absorber setting 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 2nd/3rd 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
provide the necessary advice
and assistance.
Checklist
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30
Safety check
2
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:
If brake fluid level in the fluid
reservoirs for the front or rear
brakes has dropped below
the MIN mark (
b 31, 32) have
the brake system checked
without delay by a specialist
workshop, preferably an au-
thorised BMW motorcycle
dealer.
Changing brake fluid
d Warning:
Brake fluid is subject to
severe thermal loads and
absorbs moisture from the
atmosphere.
Consequently, the brake fluid
must be changed regularly
(
b Maintenance Instructions,
Chapter 1) by a specialist
workshop, preferably an au-
thorised BMW motorcycle
dealer.
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31
Safety check
2
Checking front brake fluid
level
d Warning:
Never permit the brake fluid
level to drop below the mini-
mum level (MIN mark)
 Place the motorcycle on the
centre stand
–Make sure the ground is
level and firm 
Turn the handlebars all the
way to the left.
 Check the brake fluid level in
the sight glass
MIN minimum level
(top edge of
marking ring)
\f Note:
Gradual wear of the brake pads
causes the brake fluid level in
the reservoir to sink.
Brake system - without BMW Integral ABS
MIN
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32
Safety check
2
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
 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
\f Note:
Gradual wear of the brake pads
causes the brake fluid level in
the reservoir to sink.
Brake system - without BMW Integral ABS
MAX
MIN
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33
Safety check
2
Brake system - with BMW Integral ABS2(
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 35, 36).
d Warning:
If the brake fluid level in the
reservoir (
b 35, 36) has
dropped below the specified
MIN mark, have the brake
system checked without de-
lay by a specialist workshop,
preferably an authorised
BMW motorcycle dealer.
2(Optional extra
Changing brake fluid
d Warning:
Brake fluid is subject to
severe thermal loads and
absorbs moisture from the
atmosphere.
Consequently, the brake fluid
must be changed regularly
(
b Maintenance Instructions,
Chapter 1) by a specialist
workshop, preferably an au-
thorised BMW motorcycle
dealer.
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35
Safety check
2
Brake system - with BMW Integral ABS2(
Checking front brake fluid
level
d Warning:
Never permit the brake fluid
level to drop below the mini-
mum level (MIN mark)
 Place the motorcycle on the
centre stand
–Make sure the ground is
level and firm
2(Optional extra
Turn the handlebars all the
way to the left.
 Check the brake fluid level in
the sight glass
MIN minimum level
(top edge of
marking ring)
\f Note:
The brake fluid level in the
brake fluid reservoir remains
constant despite wear of the
brake pads.
MIN
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36
Safety check
2
Checking rear brake fluid
level
d Warning:
Never permit the brake fluid
level to drop below the MIN
mark on the brake-fluid
reservoir
2(Optional extra
 Place the motorcycle on the
centre stand
–Make sure the ground is
level and firm
 Check the brake fluid level
MIN minimum level
\f Note:
The brake fluid level in the
brake fluid reservoir remains
constant despite wear of the
brake pads.
Brake system - with BMW Integral ABS2(
MIN
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75
Starting - Riding - Parking
3
2(Optional extra
Warning light,
generaleABS warning
light
\b Malfunctions
OFF ON Only RESIDUAL BRAKING FUNCTION available in both circuits (
b 71)
OFF Flashing at 1 HzABS not available
Pull-away test not completed (
b 72)
OFF Flashing at 4 HzOnly RESIDUAL BRAKING FUNCTION
available in both circuits (
b 71)
Self-diagnosis not completed (b 72)
ON OFF Rear light/brake light defective (b Maintenance Instructions, Chapter 2)
ON Flashing at 1 HzAt least one brake circuit without
ABS (
b 70)
ON Flashing at 4 HzAt least one brake circuit in RESIDUAL
BRAKING FUNCTION mode (
b 71)
Alternate
flashing at
1 Hz Alternate
flashing at
1 HzFluid level in BMW Integral ABS too low.
Check the motorcycle as follows:
Ignition OFF: is brake pressure OK at the
brake levers?
Are the brakes acting on both wheels?
Is the brake system leaktight, no signs of
brake fluid escaping?
The brake system is defective if the test
outcome is negative.
Alternate
flashing at
4 Hz Alternate
flashing at
4 HzFluid level in the BMW Integral ABS is too
low, perform the checks listed above.
Only RESIDUAL BRAKING FUNCTION
available in at least one circuit (
b 71)
d Warning:Do not ride the motorcycle if you have
any doubts about the dependability of
the brake system.
BMW Integral ABS2( - Troubleshooting chart
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84
Index
i
AABS - anti-lock brake system, 70
Adjusting beam throw, 38
Adjusting front seat, 14, 15, 16
Anti-lock brake systemNotes, 68, 70, 71, 72,
73, 74, 75
BBMW Integral ABSChanging brake fluid, 33
Checking brake fluid level, 33
Troubleshooting chart, 75
Brake fluid level CheckFront brakes, 31, 35
Rear brakes, 32, 36
Brake servo, 70
Brake system
With BMW Integral ABS, 33,
34, 35, 36
Without BMW Integral ABS, 30,
31, 32
Brake system, general, 28, 29
Brake-fluid level Check, 30
Braking, precautions, 66
CCapacity, 25
Catalytic converter, 51 Safety instructions, 51
Centre stand, 54, 55
Changing brake fluid, 30 Checking brake fluid level, 30
Checking brake pads, 29
Checking the brake system, 28
Choke
Cold start, 61
Cold-start lever, 12
Choke (cold-start lever) Operation, 61
Clock, 10
Closing system cases, 18
Clutch
Fluid level, 37
Clutch lever, 26
Cockpit
Overview, 6
Cold-start lever (choke)
Position, 12
EEmergency off (kill) switch for ignition, 13
Engine oil, 23 Oil filler neck, 4, 23
Engine oil level sight glass, 4
Engine oil pressure Telltale light, 62
FFlashing turn indicator switchLeft, 12
Right, 13
A - F
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