KTM 990 - Manual (Page 64)

Charging the battery
The battery does not need to be dismounted to charge. Remove the screws [1] and the engine
cover [2]. Remove the red protection cover and connect the charging device with the positive
terminal post at screw [3] and the negative terminal post at screw [4]. Charge the battery as
specified in the following table. Do not exceed the amperage and charging times. Quick
charges with high amperages will have an adverse effect on the battery's service life.
MAINTENANCE WORK ON CHASSIS AND ENGINE
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Always use special charging devices to charge maintenance-free batteries, e.g. the KTM charg-
ing device (item no. 58429074000). You can also use this charging device to test the off-
load voltage and startability of the battery and generator. It is impossible to overcharge the
battery with this device.
Charge the battery immediately if it is empty when you start the motorcycle. If left to stand
in an uncharged condition for a longer period of time, the battery will run down and sulfa-
tize, destroying the battery.
Recharge the battery every 3 months if it is being stored for a longer period of time.
– Do not remove the locking strip otherwise the battery will be damaged.
– To charge, connect the battery to the battery charger before you switch on the battery
charger. When the battery is charged, switch off the battery charger before you discon-
nect the battery.
– Provide adequate ventilation when charging the battery in a closed room; the battery
emits explosive gases when charging.
– Electrolytes will escape through the safety valves if the battery is charged too long or at
an excessive voltage or amperage. This will reduce battery capacity.
– Try to avoid quick charges.
Jump start
Jump starts are not recommended since they can damage the motorcycle's electronic
system.
BATTERY CHARGE
normal
1.1 amperes 5 - max. 10 hrs. max. 14.4 volts
quick 5.5 amperes max. 1 hr. max. 14.4 volts