14-8
CFMOTO
Complaint
Symptom and Possible Causes
Remedy
Valve Chatter
1. Excessive valve clearance
2. Worn or broken valve spring
3. Worn rocker arm or camshaft
Adjust
Replace
Replace
Noise from Piston
1. Worn
piston
2. Worn
cylinder
3. Carbon deposit in combustion chamber
4. Worn piston pin or pin hole
5. Worn piston ring or piston ring groove
Replace
Replace
Clean
Replace
Replace
Noise from Timing chain
1. Stretched
chain
2. Worn sprocket wheel
3. Faulty chain tensioner
Replace chain & sprocket
Replace chain & sprocket
Repair or replace
Noise from Clutch
1. Worn or damaged crankshaft spline
2. Worn inner race spline
Replace crankshaft
Replace inner race
Noise from Crankshaft
1. Rattling
bearing
2. Worn or burnt crank pin bearing
3. Excessive thrust clearance
Replace
Replace
Replace
Noise from CVT
1. Worn or slipping drive belt
2. Worn rollers in primary sheave
Replace
Replace
Engine is
noisy
Noise from Transmission
1. Worn or damaged gear
2. Worn or damaged input or output shafts
3. Worn
bearing
2.
Worn
bushing
Replace
Replace
Replace
Replace
Slipping
Clutch
1. Worn or damaged clutch shoes
2. Weakened clutch shoe spring
3. Worn clutch housing
4. Worn or slipping drive belt
Replace
Replace
Replace
Replace
Difficulty or
locked gearshift
1. Broken drive or driven bevel gear teeth
2. Distorted shift fork
3. Worn shift cam
4. Improper gearshift rod
Replace
Replace
Replace
Adjust
Summary of Contents for CF500-5
Page 1: ...WWW CFMOTO COM CF500 5 SERVICE CF500 5A MANUAL...
Page 2: ...All rights reserved Zhejiang CFMOTO Power Co Ltd April 2009 WWW CFMOTO COM...
Page 24: ...1 20 CFMOTO...
Page 25: ...1 21 1 Maintenance Information 1 1 1 1 1...
Page 26: ...1 22 CFMOTO...
Page 47: ...2 19 2 Vehicle Body and Muffler 2 2 2 2 2 Visible Parts...
Page 80: ...4 7 4 Cooling and Lubrication system 4 4 4 4 4 Cooling System Chart...
Page 92: ...4 19 4 Cooling and Lubrication system 4 4 4 4 4...
Page 97: ...5 4 CFMOTO Removal Bolt 4 units of Engine...
Page 129: ...6 29 6 Engine Removal Inspection Installation 6 6 6 6 6 Primary and Secondary Sheave...
Page 222: ...11 Battery Charging System 11 11 11 11 11 11 9 Layout of Electric parts...
Page 230: ...12 8 CFMOTO Starting Motor...
Page 233: ...12 Ignition System 1 2 1 2 1 2 1 2 1 2 12 11 Ignition System Diagram...
Page 247: ...14 2 CFMOTO...
Page 248: ...14 Troubleshooting 14 14 14 14 14 14 3...
Page 249: ...14 4 CFMOTO...