15. ELECTRICAL EQUIPMENT
15-3
Troubleshooting
No voltage
y Battery discharged
y The cable disconnected
y The fuse is blown
y Improper operation of the main switch
Low voltage
y The battery is not fully charged
y Poor contact
y Poor charging system
y Poor voltage regulator
No spark produced by spark plug
y The spark plug is out of work
y The cable is poorly connected, open or
short-circuited
- Between AC.G. and C.D.I.
y Poor connection between C.D.I. and ignition
coil
- Poor connection between C.D.I. and the
main switch
y Poor main switch
y Poor C.D.I.
y AC.G. is out of work
Starter motor does not work
y The fuse is blown
y The battery is not fully charge
y Poor main switch
y Poor starter switch
y The front and rear brake switches do not
operate correctly
y Starter relay is out of work
y The ignition coil is poorly connected, open or
short-circuited
y The starter motor is out of work
Intermittent power supply
y The connector of the charging system
becomes loose
y Poor connection of the battery cable
y Poor connection or short-circuit of the
discharging system
y Poor connection or short-circuit of the power
generation system
Charging system does not operate
properly
y Burnt fuse
y Poor contact, open or short circuit
y Poor regulator
y Poor ACG
Engine does not crank smoothly
y Primary coil circuit
- Poor ignition coil
- Poor connection of cable and connectors
- Poor main switch
y Secondary coil circuit
- Poor ignition coil
- Poor spark plug
- Poor ignition coil cable
- Current leakage in the spark plug cap
y Incorrect ignition timing
- Poor AC.G.
- Improper installation of the pulse sensor
- Poor C.D.I.
Weak starter motor
y Poor charging system
y The battery is not fully charged
y Poor connection in the windings
y The motor gear is jammed by foreign material
Starter motor is working, but engine does
not crank
y Poor starter motor pinion
y The starter motor run in reverse direction
y Poor battery
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