Suzuki GN125F Service Manual page 134

BATTERY
Complaint
"Sulfation", acidic
white powdery
substance or spots
on surface of cell
plates.
Battery runs
down quickly.
Reversed battery
polarity.
Battery discharges
too rapidly.
SERVICE INFORMATION
Symptom and possible causes
1. Not enough electrolyte.
2.Battery case is cracked.
3. Charging rate is too low or too high.
4.Battery has been left in a run-down condition for
a long time.
5.Contaminated electrolyte (Foreign matter has
enters the battery and become mixed with the
electrolyte.)
1. The charging method is not correct.
2. Cell plates have lost much of their active material
as result of over-charging.
3. A shorted circuit condition exists within the battery
due to excessive accumulation of sediments
caused by the high electrolyte S.G.
4. Electrolyte S.G. is too low.
5. Contaminated electrolyte.
6. Battery is too old.
The battery has been connected the wrong way
round in the system, so that it is being charged in
the reverse direction.
1. Dirty container tap and sides.
2. Impurities in the electrolyte or electrolyte S.G. is
too high.
7-6
Remedy
Pour distilled water, if the battery
has not been damaged and
"sulfation" has not advanced
too far, and recharge.
Replace.
Replace.
Replace.
If "sulfation" has not advanced
too far, try to restore the battery
by replacing the electrolyte,
recharging it fully and then
adjust the electrolyte S.G.
Check the generator,
regulator/rectifier and circuit
connections, and make
necessary adjustments to
obtain specified charging
operation.
Replace the battery, and
correct the charging system.
Replace the battery.
Recharge the battery fully
and adjust electrolyte S.G.
Replace the electrolyte,
recharge the battery and
adjust the S.G.
Replace the battery.
Replace the battery and be
sure to connect the battery
properly.
Clean.
Change the electrolyte by
consulting the battery
manufacturer 's directions.