SERVICING
INFORMATION
8-4
ELECTRICAL
Complaint Symptom and possible causes
Remedy
No
sparking or
1.
Defective ignition coil.
Replace.
poor sparking.
2.
Defective spark plugs.
Replace.
3.
Defective pick-up coil or
CDI
unit.
Replace.
Spark plugs soon
1.
Mixture
too
rich.
Adjust carburetor.
becomes fouled
2.
Idling speed set
too
high.
Adjust carburetor.
with carbon.
3.
Incorrect gasoline.
Change.
4.
Dirty element
in
air cleaner. Clean.
5. Spark plugs
too
cold.
Replace by
hot
type
plug.
Spark plugs become
1.
Worn piston rings.
Replace.
fouled too soon.
2. Piston or cylinder worn. Replace.
Spark plug electrodes
1.
Spark plug
too
hot.
Replace by cold
type
plug.
overheat or burn.
2.
The engine overheats.
Tune up.
3. Spark plug loose.
Retighten.
4. Mixture
too
lean. Adjust carburetors.
Generator does 1. Open or short
in
lead wires, or loose lead connections.
Repair or replace
or
not charge.
retighten.
2. Shorted, grounded or open generator coils. Replace.
3. Shorted
or
punctured regulator/rectifier. Replace.
Generator charges,
1.
Lead wires
tend
to
get shorted
or
open-circuited
or
Repair or retighten.
but
charging rate
is
loosely connected
at
terminals.
below the
2.
Grounded
or
open-circuited stator coils
of
generator.
Replace.
--
specification.
3.
Defective regulator/rectifier.
Replace.
4.
Defective battery.
Replace.
Generator
1. Internal short-circuit
in
the
battery.
Replace
the
battery.
overcharges.
2.
Regulator/rectifier damaged or defective.
Replace.
3.
Regulator/rectifier poorly grounded.
Clean and tighten ground
connection.
Unstable charging.
1.
Lead wire insulation frayed due
to
vibration, resulting
Repair or replace.
in
intermittent shorting.
2. Generator internally shorted.
Replace.
3. Defective regulator/rectifier.
Replace.
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