Kymco MO ZX50 Service Manual - chap 15 (imp elettrico)
15. ELECTRICAL EQUIPMENT
15-0
ZX / SC OUT 50
15
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ELECTRICAL EQUIPMENT
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SERVICE INFORMATION........................................................ 15- 1
TROUBLESHOOTING.............................................................. 15- 1
CHARGING SYSTEM............................................................... 15- 3
BATTERY................................................................................ 15- 4
IGNITION SYSTEM ................................................................. 15- 7
STARTING SYSTEM................................................................ 15-11
15
15. ELECTRICAL EQUIPMENT
15-1
ZX / SC OUT 50
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• It is not necessary to check the battery electrolyte or fill with distilled water.
• Remove the battery from the motorcycle for charging. Do not remove the electrolyte cap..
• Do not quick charge the battery. Quick charging should only be done in an emergency..
• Charge the battery according to the charging current and time specified on the battery.
• When charging, check the voltage (open voltage) with an electric tester.
• When replacing the battery, do not use a traditional battery.
SPECIFICATIONS
SC10AS
Capacity
12V3AH
Voltage
13.0_ 13.2V
Charging
Standard
0.4A/10H
Battery
current
Quick
4A/0.5H
Spark plug
(NGK)
BR8HSA
Spark plug gap
0.6_ 0.7mm
Primary coil
0.153_ 0.187Ω
Secondary coil
(with plug cap)
6.99_ 10.21KΩ
Ignition coil resistance
Secondary coil
(without plug cap)
3.24_ 3.96KΩ
Pulser coil resistance (20℃ )
80_ 160Ω
Ignition timing
15.5°±2°BTDC/2000rpm
TROUBLESHOOTING
CHARGING SYSTEM
No power Intermittent power
• Dead battery • Loose battery cable connection
• Disconnected battery cable • Loose charging system connection
• Fuse burned out • Loose connection or short circuit in ignition system
• Faulty ignition switch • Loose connection or short circuit in lighting system
Low power Charging system failure
• Weak battery • Loose, broken or shorted wire or connector
• Loose battery connection • Faulty regulator/rectifier
• Charging system failure • Faulty A.C. generator
• Faulty regulator/rectifier
15. ELECTRICAL EQUIPMENT
15-2
ZX / SC OUT 50
IGNITION SYSTEM
No spark at plug Engine starts but turns poorly
• Faulty spark plug • Ignition primary circuit
• Poorly connected, broken or shorted wire —Faulty ignition coil
—Between A.C. generator and CDI unit —Poorly connected wire or connector
—Between CDI unit and ignition coil • Ignition secondary circuit
—Between CDI unit and ignition switch —Faulty ignition coil
—Between ignition coil and spark plug —Faulty spark plug
• Faulty ignition switch —Poorly insulated plug cap
• Faulty ignition coil • Improper ignition timing
• Faulty CDI unit —Battery voltage too low (6V max.)
• Faulty A.C. generator —Faulty CDI unit
STARTING SYSTEM
Starter motor won‘t turn Lack of power
• Fuse burned out • Weak battery
• Weak battery • Loose wire or connection
• Faulty ignition switch • Foreign matter stuck in starter motor
• Faulty starter switch
or pinion
• Faulty front or rear stop switch
Starter motor rotates but engine does
• Faulty starter relay not start
• Poorly connected, broken or shorted wire • Faulty starter pinion
• Faulty starter motor • Starter motor rotates reversely
• Faulty starter clutch
• Weak battery
15. ELECTRICAL EQUIPMENT
15-3
ZX / SC OUT 50
CHARGING SYSTEM
A.C. Generator
Dimmer Switch
Headlight Switch
Ignition Switch
Regulator/Rectifier
Resistor
Battery
7A
P
G/B
15. ELECTRICAL EQUIPMENT
15-4
ZX / SC OUT 50
BATTERY
BATTERY REMOVAL
Remove the battery cover.
Disconnect the battery cables .
Remove the bolt and battery bracket.
Remove the battery.
The installation sequence is the reverse of
removal.
BATTERY CHARGING (OPEN CIRCUIT
VOLTAGE) INSPECTION
Remove the battery cover and disconnect
the battery cables.
Measure the voltage between the battery
terminals.
Fully charged : 13.0V_ 13.2V
Undercharged : 12.3V max.
CHARGING METHOD
Connect the charger positive (+) cable to
the battery positive (+) cable.
Connect the charger negative (-) cable to the
battery negative (-) cable.
Charging current : Standard : 0.4A
Quick : 4A
Charging time : Standard : 5 hours
Quick : 0.5 hour
After charging: Open circuit voltage: 12.8V min.
Battery Cover
Power Lamp (Green)
Red
Black
Charging Lamp (Red)
Battery
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