5-13
5
A. If the meter shows battery voltage, troubleshoot
the gear shift position switch connector or the
gear shift position switch.
B. If the meter does not show battery voltage,
inspect the LIGHTS fuse, ignition switch, or
the main wiring harness.
Ignition Timing
The ignition timing cannot be adjusted; however, veri-
fying ignition timing can aid in troubleshooting other
components. To verify engine timing, see Section 2.
Troubleshooting
Problem: Spark absent or weak
Condition Remedy
1. Ignition coil defective
2. Spark plug defective
3. Magneto defective
4. CDI unit defective
5. Pick-up coil defective
1. Replace ignition coil
2. Replace plug
3. Replace magneto
4. Replace CDI unit
5. Replace pick-up coil
Problem: Spark plug fouled with carbon
Condition Remedy
1. Mixture too rich
2. Idling RPM too high
3. Gasoline incorrect
4. Air cleaner element dirty
5. Spark plug incorrect (too cold)
6. Valve seals cracked - missing
7. Oil rings worn - broken
1. Adjust carburetor
2. Adjust carburetor
3. Change to correct gasoline
4. Clean element
5. Replace plug
6. Replace seals
7. Replace rings
Problem: Spark plug electrodes overheat or burn
Condition Remedy
1. Spark plug incorrect (too hot)
2. Engine overheats
3. Spark plug loose
4. Mixture too lean
1. Replace plug
2. Service cooling system
3. Tighten plug
4. Adjust carburetor
Problem: Magneto does not charge
Condition Remedy
1. Lead wires/connections shorted - loose - open
2. Magneto coils shorted - grounded - open
3. Regulator/rectifier defective
1. Repair - replace - tighten lead wires
2. Replace magneto coils
3. Replace regulator/rectifier
Problem: Magneto charges, but charging rate is below the specification
Condition Remedy
1. Lead wires shorted - open - loose (at terminals)
2. Stator coils (magneto) grounded - open
3. Regulator/rectifier defective
4. Electrolyte low
5. Cell plates (battery) defective
1. Repair - tighten lead wires
2. Replace stator coils
3. Replace regulator/rectifier
4. Add distilled water
5. Replace battery
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