Suzki Burgman AN400. Manual - part 81
SERVICING INFORMATION 9-11
ELECTRICAL
Complaint
Symptom and possible causes
Remedy
No sparking or poor
sparking.
1. Defective ignition coil/plug cap or crankshaft posi-
tion sensor.
2. Defective spark plug.
3. Defective generator.
4. Defective ECM.
5. Defective tip over sensor.
6. Open-circuited wiring connections.
Replace.
Replace.
Replace.
Replace.
Replace.
Check and repair.
Spark plug soon
become fouled with
carbon.
1. Mixture too rich.
2. Idling speed set too high.
3. Incorrect gasoline.
4. Dirty air cleaner element.
5. Too cold spark plug.
Consult FI system.
Adjust idle adjust screw or
repalce the IAC valve.
Change.
Clean or replace.
Replace with hot type plug.
Spark plug become
fouled too soon.
1. Worn piston rings.
2. Worn piston or cylinder.
3. Excessive clearance of valve stems in valve guides.
4. Worn stem oil seals.
Replace.
Replace.
Replace.
Replace.
Spark plug elec-
trodes overheat or
burn.
1. Too hot spark plug.
2. Overheated the engine.
3. Loose spark plug.
4. Too lean mixture.
Replace with cold type
plug.
Tune up.
Retighten.
Consult FI system.
Generator does not
charge.
1. Open- or short-circuited lead wires, or loose lead
connections.
2. Short-circuited, grounded or open generator coil.
3. Short-circuited or panctured regulator/rectifier.
Repair or replace or
retighten.
Replace.
Replace.
Generator does
charge, but charg-
ing rate is below the
specification.
1. Lead wires tend to get short- or open-circuited or
loosely connected at terminals.
2. Grounded or open-circuited startor coil or generator.
3. Defective regulator/rectifier.
4. Defective cell plates in the battery.
Repair or retighten.
Replace.
Replace.
Replace the battery.
Generator over-
charges.
1. Internal short-circuit in the battery.
2. Damaged or defective resistor element in the
regu-lator/recitifier.
3. Poorly grounded regulator/rectifier.
Replace the battery.
Replace.
Clean and tighten ground
connection.
Unstable charging.
1. Lead wire insulation frayed due to vibration,
resulting in intermittent short-circuiting.
2. Internally short-circuited generator.
3. Defective regulator/rectifier.
Repair or replace.
Replace.
Replace.
Starter button is not
effective.
1. Run down battery.
2. Defective switch contacts.
3. Brushes not seating properly on starter motor
commutator.
4. Defective starter relay or starter interlock switch.
5. Defective main fuse.
Repair or replace.
Replace.
Repair or replace.
Replace.
Replace.