14-6
CFMOTO
Engine Troubleshooting
1. Engine
Complaint
Symptom and Possible Causes
Remedy
Engine will not
start or is hard to
start
Compression is Too Low
1. Worn
cylinder
2. Worn piston ring
3. Leakage with cylinder gasket
4. Wear valve guide or improper valve
seating
5. Loose spark plug
6. Slow cranking of starting motor
7. Faulty
valve
timing
8. Improper
valve
clearance
No Sparking from Spark Plug
1. Fouled spark plug
2. Wet
spark
plug
3. Defective ignition coil
4. Open or short circuit with pickup coil
5. Faulty
generator
6. Faulty
CDI
No Fuel Reach Into Carburetor
1. Clogged fuel tank vent tube
2. Clogged or faulty fuel valve
3. Faulty carburetor needle valve
4. Clogged fuel hose
5. Clogged fuel filter
Transfer is not in Neutral position
Replace
Replace
Replace
Repair or Replace
Tighten
Check electrical part
Adjust
Adjust
Clean or Replace
Clean and dry or replace
Replace
Replace
Replace
Replace
Clean or Replace
Clean or Replace
Replace
Replace
Clean or Replace
Set to Neutral position
Engine stalls easily
or has unstable
idle speed
1. Improper valve clearance
2. Improper valve seating
3. Faulty valve guide
4. Worn rocker arm or rocker arm shaft
5. Fouled spark plug
6. Improper spark plug gap
7. Faulty ignition coil
8. Faulty
CDI
9. Faulty
generator
10. Improper fuel level in float chamber
11. Clogged carburetor jet
12. Faulty fuel valve
13. Improper adjustment or idle screw
Adjust
Replace or Correct
Replace
Replace
Replace
Replace or Adjust
Replace
Replace
Replace
Adjust Fuel level
Clean
Replace
Adjust
Содержание CF500-5
Страница 1: ...WWW CFMOTO COM CF500 5 SERVICE CF500 5A MANUAL...
Страница 2: ...All rights reserved Zhejiang CFMOTO Power Co Ltd April 2009 WWW CFMOTO COM...
Страница 24: ...1 20 CFMOTO...
Страница 25: ...1 21 1 Maintenance Information 1 1 1 1 1...
Страница 26: ...1 22 CFMOTO...
Страница 47: ...2 19 2 Vehicle Body and Muffler 2 2 2 2 2 Visible Parts...
Страница 80: ...4 7 4 Cooling and Lubrication system 4 4 4 4 4 Cooling System Chart...
Страница 92: ...4 19 4 Cooling and Lubrication system 4 4 4 4 4...
Страница 97: ...5 4 CFMOTO Removal Bolt 4 units of Engine...
Страница 99: ...5 6 CFMOTO Remove nut and bolt of front axle from frame Remove nut and bolt of rear axle from frame...
Страница 129: ...6 29 6 Engine Removal Inspection Installation 6 6 6 6 6 Primary and Secondary Sheave...
Страница 222: ...11 Battery Charging System 11 11 11 11 11 11 9 Layout of Electric parts...
Страница 230: ...12 8 CFMOTO Starting Motor...
Страница 233: ...12 Ignition System 1 2 1 2 1 2 1 2 1 2 12 11 Ignition System Diagram...
Страница 235: ...13 2 CFMOTO TROUBLESHOOTING Head Light Cannot Turn On Broken fuse Open circuit with main cable Burnt Bulb Faulty Switch...
Страница 239: ...13 6 CFMOTO Ignition Switch Inspection Remove front rear top cover 2 4 Disconnect 4P connector of ignition switch...
Страница 247: ...14 2 CFMOTO...
Страница 248: ...14 Troubleshooting 14 14 14 14 14 14 3...
Страница 249: ...14 4 CFMOTO...
Страница 250: ...14 Troubleshooting 14 14 14 14 14 14 5...