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 coupler 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 couplers.
- 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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