Battery - BMW R 1250 GS Adventure Rider's Manual

208 MAINTENANCE
few minutes before repeat-
ing the attempt in order to
protect the starter motor and
the donor battery.
Do not use proprietary
start-assist sprays or other
products to start the engine.
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
second lead from the positive
terminals.
Install the protective cap.
Install the battery cover.
( 212)

BATTERY

Maintenance instructions
Correct upkeep, recharging and
storage will prolong the life of
the battery and are essential if
warranty claims are to be con-
sidered.
Compliance with the points
below is important in order to
maximise battery life:
Keep the surface of the bat-
tery clean and dry.
Do not open the battery.
Do not top up with water.
Be sure to read and comply
with the instructions for char-
ging the battery on the fol-
lowing pages.
Do not turn the battery upside
down.
Battery type
AGM battery (Absorbent
Glass Mat), maintenance-free
with M Lightweight bat-
tery OE
Lithium-ion battery
ATTENTION
On-board electronics (e.g.
clock) draining connected
battery
Battery is deep-discharged;
this voids the guarantee
Connect a float charger to
the battery if the motorcycle
is to remain out of use for
more than four weeks.
BMW Motorrad has de-
veloped a float charger
specially designed for com-
patibility with the electron-
ics of your motorcycle. Using
this charger, the battery can be
kept charged during long peri-
ods of disuse, without having
to be disconnected from the
vehicle's on-board systems. For
more information, consult an