KYMCO Agility City 125 Service Manual page 26

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1
. GENERAL INFORMATION
POOR CHARGING (BATTERY OVER DISCHARGING OR OVERCHARGING)
Undercharging
Inspection/Adjustment
Start engine and test
limit voltage between
battery terminals
Measure resistance
between AC generator
coil terminals
Connect battery (+) wire
to regulator/rectifier
coupler red wire and
battery (-) wire to engine
ground and test voltage
Check regulator/rectifier
coupler for loose
connection
Overcharging
Inspection/Adjustment
Connect battery (+) wire
to regulator/rectifier
coupler green wire and
battery (-) wire to engine
ground and test voltage
Check regulator/rectifier
coupler for loose
connection
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Symptom
Voltage does not
Normal voltage
increase
Normal
Normal voltage
Normal
Symptom
Battery has no
Battery has voltage
voltage with ignition
with ignition
switch "ON"
switch "ON"
Normal
AGILITY CITY 125
Resistance too high
No voltage
Abnormal
Abnormal
Probable Cause
Dead battery
Faulty battery
Faulty A.C. generator coil
Broken yellow wire
Loose connector
Broken red wire
Faulty regulator/rectifier
Poorly connected coupler
Faulty A.C. generator
Probable Cause
Broken green wire
Poorly connected coupler
Faulty regulator/rectifier
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