Suzuki GZ250 Marauder Service Manual page 204

7-7 SERVICING INFORMATION
Complaint
Generator charges
but charging rate is
below the
specification.
Generator
overcharges.
Unstable charging.
Starter button does
not work.
BATTERY
Complaint
Sulfation or spots on
surfaces of cell
plates.
Battery runs down
quickly.
Battery sulfation.
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Symptom and possible causes
1. Lead wires tend to get shorted or open-circuited or
loosely connected at terminal.
2. Grounded or open-circuited stator coils or genera
tor.
3. Defective regulator/rectifier.
4. Defective battery cell plates.
1. Internal short-circuit in the battery.
2. Damaged or defective regulator/rectifier.
3. Poorly grounded regulator/rectifier.
1. Lead wire insulation frayed due to vibration,
resulting in intermittent shorting.
2. Internally shorted generator.
3. Defective regulator/rectifier.
1. Run down battery.
2. Defective switch contact.
3. Brushes do not seat properly on the commutator in
the starter motor.
4. Defective starter relay.
Symptom and possible causes
1. Cracked battery case.
2. Battery has been left In a run-down condition for a
long time.
1. Incorrect charging method.
2. Battery cell plates have lost much of their active ma
terial as a result of overcharging.
3. Internally shorted battery.
4. Excessively low battery voltage.
5. Battery is too old.
1. Incorrect charging rate.
(When not in use, the battery should be checked at least
once a month and properly charged if necessary, to a void
sulfation.)
2. The battery was left unused in a cold climate for
too long.
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Remedy
Repair or tighten.
Replace.
Replace. Replace
battery.
Replace battery.
Replace.
Clean, repair or replace.
Repair or replace.
Replace. Replace.
Recharge or replace.
Replace.
Repair or replace.
Replace.
Remedy
Replace battery.
Replace.
Check generator or regu-
lator/rectifier circuit con-
nections, and make nec-
essary adjustment to obtain
specified charging
operation.
Replace battery and correct
charging system. Replace.
Recharge Replace.
Replace battery.
Replace battery if badly
sulfated.