KYMCO Bet & Win 250 Manual page 26

1
. GENERAL INFORMATION
POOR CHARGING (BATTERY OVER DISCHARGING OR OVERCHARGING)
Undercharging
Inspection/Adjustment
Start engine and test
limit voltage of
battery terminals
Measure resistance
between AC generator
coil terminals
Test output voltage of
regulator/rectifier
coupler red wire
Overcharging
Inspection/Adjustment
Measure battery limit
voltage with an
electric tester
Check resistance
between regulator/
rectifier terminals
1-25
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Symptom
Voltage does not
Normal voltage
increase
Normal Resistance too
Normal voltage
Symptom
Normal
Normal
Probable Cause
ÅFaulty AC generator
ÇFaulty regulator/rectifier
ÉFaulty battery
ÅShorted AC generator coil
ÇOpen circuit between AC
low
generator 3 yellow wires
ÅFaulty regulator/rectifier
ÇFaulty AC generator
No voltage
ÉLoose regulator/rectifier
coupler
ÑLimit voltage too high
Probable Cause
ÅFaulty battery
Abnormal
ÇFaulty regulator/rectifier
ÉBroken or poorly
connected
regulator/rectifier black wire
ÅLimit voltage too high
Abnormal
Bet & Win 250