BMW Motorrad R 18, Rider'S Manual

Page: 102 / 158

98 MAINTENANCE
ATTENTION
Current too high when jump-starting the
motorcycle
Cable fire or damage to the motorcycle
electronics
Do not jump-start the motorcycle using
the power socket, only via the battery
terminal.
ATTENTION
Contact between crocodile clips of jump
leads and motorcycle
Danger of short circuit
Use jump leads fitted with fully insulated
crocodile clips at both ends.
ATTENTION
Jump-starting with a voltage higher than
12 V
Damage to the motorcycle's electronics
The battery of the donor motorcycle
must have a voltage of 12 V.
Do not disconnect the battery from the
electrical system for external starting.
Park motorcycle. Ensure that the ground is
firm and level.
Removing side trim panel ( 82).
Remove protective cap 2 .
Begin by connecting one end of the red
jumper cable to the jump-start terminal 1
on the discharged battery and the other
end to the positive terminal of the donor
battery.
Use the black jump lead to connect the
ground support point 3 to the negative
terminal of the second battery.
Run the engine of the donor vehicle during
jump-starting.
Start the vehicle engine with drained bat-
tery in usual way; in the event of an unsuc-
cessful attempt to start the engine, wait a
few minutes before repeating attempt in
order to protect starter motor and donor
battery.
To start the engine, do not use start
sprays or similar items.
Allow both engines to idle for a few min-
utes before disconnecting jumper cables.
First, disconnect the jump lead from the
ground support point 3 and then from the
jump-start terminal 1 .
Install the protective cap 2 .
Installing side trim panel ( 82).
BATTERY
Maintenance instructions
Correct battery maintenance combined with
proper charging and storage procedures ex-
tends the battery's service life, and is also
required for warranty claims.
Compliance with the points below is impor-
tant in order to maximize battery service life:
Keep the surface of the battery clean and
dry.
Do not open the battery.
Do not top up with water.
Observe the notes on charging on the fol-
lowing pages.
Do not turn the battery upside down.
ATTENTION
Discharging of the connected battery by
the vehicle electronics (e.g. clock)
Total discharge of battery leading to a re-
jection of warranty claims
During riding breaks of more than
4 weeks, connect a trickle-charger to
the battery.