CFMoto CF500 - Cooling System and Ignition System Issues

19. Troubleshooting
3. Cooling System/Radiator
Complaint Symptom and Possible Causes Remedy
Engine overheats
1. Clogged water passage or radiator
2. Air in the cooling system; insufficient
coolant
3. Faulty water pump
4. Incorrect coolant
5. Faulty thermostat
6. Faulty fan motor or thermoswitch
Clean
Discharge air and add coolant
Check and replace
Replace
Replace
Check and/or replace
Engine coolant
overcools
1. Faulty thermoswitch
2. Extremely cold weather
3. Faulty thermostat
Replace
Put on radiator cover
Replace
4. Ignition System
Complaint Symptom and Possible Causes Remedy
No Sparking or
Weak Sparking
1. Faulty CDI
2. Faulty spark plug
3. Faulty Generator
4. Insufficient battery voltage
5. Faulty ignition coil
6. Faulty pickup coil
Check and replace
Check and replace
Check and replace
Check and replace
Check and replace
Check and replace
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