BMW Motorrad R 1250 R Rider's Manual page 206

200 MAINTENANCE
ATTENTION
Contact between crocodile
clips of jump leads and
vehicle
Risk of short-circuit
Use jump leads fitted with
fully insulated crocodile clips
at both ends.
ATTENTION
Jump-starting with a voltage
greater than 12 V
Damage to the on-board
electronics
Make sure that the battery
of the donor vehicle has a
voltage rating of 12 V.
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Remove the battery cover
( 203).
When jump-starting the en-
gine, do not disconnect the
battery from the on-board
electrical system.
Remove protective cap 1.
Use the red jump lead to
connect remote positive
terminal 2 of the discharged
battery to the positive
terminal of the donor battery.
Connect one end of the black
jump lead to the negative ter-
minal of the donor battery,
then connect the other end to
negative terminal 3 of the dis-
charged battery.
Run the engine of the donor
vehicle during jump-starting.
Start the engine of the vehicle
with the discharged battery
in the usual way; if the en-
gine does not start, wait a
few minutes before repeat-
ing the attempt in order to
protect the starter motor and
the donor battery.
Allow both engines to idle for
a few minutes before discon-
necting the jump leads.
Disconnect the jump lead
from the negative termin-
als first, then disconnect the