ELECTRICAL SYSTEM 15
121
Info
Even if there is no load on the 12-V battery, it discharges each day.
The charging level and the method of charging are very important for the service life of the 12-V battery.
Rapid recharging with a high charging current shortens the service life of the battery.
If the charging current or charging voltage are exceeded, the 12 V battery will be destroyed.
If the 12-V battery is depleted by repeated starting, the 12-V battery must be charged immediately.
If the 12-V battery is left in a discharged state for an extended period, it will become deeply discharged
and suffer a loss of capacity, destroying the battery.
The 12-V battery is maintenance-free.
Preparatory work
(All EXC models)
– Press and hold the switch-off button while the engine is
idling until the engine stops.
(All XC‑W models)
– Press and hold the switch-off button while the engine is
idling until the engine stops.
– Remove the seat. ( p. 79)
– Remove the 12-V battery. ( p. 117)
S00863-10
Main work
– Check the battery voltage.
» Battery voltage: < 9 V
– Do not charge the 12 V battery.
– Replace the 12 V battery and dispose of the old 12 V
battery properly.
» If the specifications have been met:
Battery voltage: ≥ 9 V
– Charge the 12-V battery.
Guideline
The charging current, charging voltage, and charging
time must not be exceeded.
Maximum charging volt-
age
14.4 V
Maximum charging cur-
rent
3.0 A
Maximum charging time 24 h
Recharge the 12-V bat-
tery regularly when the
motorcycle is not being
used
6 months
Battery charger (79629974000)
This battery charger tests whether the 12-V battery
retains its voltage. It is also impossible to overcharge
the 12-V battery with this battery charger. The charging
time may be longer at low temperatures.
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