Troubleshooting; Www.mymowerparts.com - Arctic Cat 350 2011 Service Manual

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Troubleshooting

Problem: Spark absent or weak
Condition
1. Ignition coil defective
2. Spark plug defective
3. Alternator defective
4. CDI unit/ECU defective
5. Pick-up coil defective
Problem: Spark plug fouled with carbon
Condition
1. Mixture too rich (350)
2. Idling RPM too high (350)
3. Gasoline incorrect
4. Air cleaner element dirty
5. Spark plug incorrect (too cold)
6. Valve seals cracked - missing
7. Oil rings worn - broken
Problem: Spark plug electrodes overheat or burn
Condition
1. Spark plug incorrect (too hot)
2. Engine overheats
3. Spark plug loose
4. Mixture too lean
Problem: Alternator does not charge
Condition
1. Lead wires/connections shorted - loose - open
2. Stator coils shorted - grounded - open
3. Regulator/rectifier defective
Problem: Alternator charges, but charging rate is below the specification
Condition
1. Lead wires shorted - open - loose (at terminals)
2. Stator coils grounded - open
3. Regulator/rectifier defective
4. Electrolyte low (350)
5. Battery defective
Problem: Alternator overcharges
Condition
1. Internal battery short circuited
2. Regulator/rectifier damaged - defective
3. Regulator/rectifier poorly grounded
Problem: Charging unstable
Condition
1. Lead wire intermittently shorting
2. Alternator internally shorted
3. Regulator/rectifier defective
Problem: Starter button inoperative
Condition
1. Battery charge low
2. Switch contacts defective
3. Starter motor defective
4. Starter relay defective
5. Emergency stop - ignition switch off
6. Wiring connections loose - disconnected
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Manual
Table of Contents
Remedy
1. Replace ignition coil
2. Replace plug
3. Replace magneto
4. Replace CDI unit/ECU
5. Replace pick-up coil
Remedy
1. Adjust carburetor
2. Adjust carburetor
3. Change to correct gasoline
4. Clean element
5. Replace plug
6. Replace seals
7. Replace rings
Remedy
1. Replace plug
2. Service cooling system
3. Tighten plug
4. Adjust carburetor
Remedy
1. Repair - replace - tighten lead wires
2. Replace stator coils
3. Replace regulator/rectifier
Remedy
1. Repair - tighten lead wires
2. Replace stator coils
3. Replace regulator/rectifier
4. Add distilled water
5. Replace battery
Remedy
1. Replace battery
2. Replace regulator/rectifier
3. Clean - tighten ground connection
Remedy
1. Replace lead wire
2. Replace stator coil
3. Replace regulator/rectifier
Remedy
1. Charge - replace battery
2. Replace switch
3. Replace starter motor
4. Replace relay
5. Turn on switches
6. Connect - tighten - repair connections
Section
Table of Contents