Electrical Components Troubleshooting - Suzuki RG250 Service Manual

SERVICING INFORMATION 8-4
ELECTRICAL
Complaint
Symptom and possible causes
Remedy
No sparking or
,.
Defective ignition coil. Replace.
pOOf'sparking. 2. Defective spark plugs. Replace.
3_
Defective pick·up coil. exciter coil, pulser coil or Replace.
COl unit.
Spark plugs soon 1.
Mixture too rich.
Adjust carburetors.
become fouled
2.
Idling speed set too high.
Adjust carburetors.
<
with carbon. 3. Incorrect gasoline.
Change.
4. DirtY element in air cleaner, Clean.
5.
Spark plugs too cold.
Replace by hot type plugs.
Spark plugs become 1. Worn piston rings.
Replace.
fouled too soon. 2. Pistons or cylinders worn.
Replace.
Spark plug elec- 1. Spark plugs too hot.
Replace by cold
type
plu gs.
trodes overheat
2. The engine overheats.
Tune up.
or burn.
3. Spark plugs loose.
Retighten,
4. Mixture too lean. Adjust carburetors.
Generator does
1. Open or short in lead wires, or loose lead
Repair or replace or
not charge.
connections. retighten.
2_
Shorted, grounded or open generator coils. Replace.
3.
Shorted or panctu red regulator/rectifier.
Replace.
Generator does
1.
Lead wi res tend to get shorted or open·circuited Repair, or retighten.
charge, but
or loosely connected at terminals.
charging rate is
2_
Grounded or open-<:ircuited stator coils of Replace.
below the
generator.
specification.
3. Defective regJlator/rectifier. Replace.
4_
Not enough electrolyte in the battery. Add distilled water to the
MAX. level.
5. Defective cell plates in the battery. Replace the battery.
Generator
1.
Internal short·circuit in the battery. Replace the battery.
overcharges.
2_
Resistor element in the regulator/rectifier damaged Repalce.
or defective.
3_
Regulator/rectifier poorly grounded. Clean and tighten ground
connection.
Unstable
1.
Lead wire insulation frayed due to vibration.
Repair or replace.
charging. resulting in intermittent shorting.
2.
Generator internally shorted.
I
Replace.
3. Defective regulator/rectifier. Repalce.
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