14. Troubleshooting
14-6
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
Engine coolant
overcools
1. Faulty thermoswitch
2. Extremely cold weather
3. Faulty thermostat
Clean
Discharge air and add coolant
Check and replace
Replace
Replace
Check and/or replace
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
Summary of Contents for 500ATV
Page 1: ...Service Manual 500ATV 500ATV 2 4 4 ...
Page 16: ...1 SERVICE INFORMATION 1 14 ...
Page 17: ...1 SERVICE INFORMATION 1 15 1 ...
Page 18: ...1 SERVICE INFORMATION 1 16 ...
Page 32: ...2 Vehicle body Muffler 2 14 Visible Parts ...
Page 53: ...4 COOLING SYSTEM 4 7 Cooling System Chart 4 ...
Page 63: ...6 Engine Removal Inspection Installation 6 1 Wu Yang 500 CC engine maintenance manual 6 ...
Page 71: ......
Page 72: ......
Page 73: ...6 Engine Removal Inspection Installation 6 11 Engine information 6 ...
Page 190: ...11 BATTERY CHARGING SYSTEM 11 9 Layout for All Electricity Equipment in Vehicle ...
Page 192: ...12 IGNITION SYSTEM 12 2 Ignition System Diagram ...
Page 200: ...12 IGNITION SYSTEM 12 10 Layout for Ignition System Equipment in Vehicle ...
Page 212: ...13 Lighting Instruments Switches 13 12 500ATV Circuit Diagram ...