C.2
1
st
edition (08-2010) _Rev. 11-2010
TROUBLESHOOTING
ENGINE
Trouble
Cause
Remedy
Engine does not start or
Insufficient compression
has starting trouble
1. Piston seized
Replace
2. Connecting rod small or big end seized
Replace
3. Worn piston rings
Replace
4. Worn cylinder
Replace
5. Cylinder head loosely tightened
Tighten
6. Head gasket leaking
Replace
7. Spark plug loose
Tighten
8. Incorrect valve clearances
Adjust
9. Weak or seized valve springs
Replace
10. Seized valves
Replace
Weak or no spark
1. Spark plug faulty
Replace
2. Fouled or wet spark plug
Clean or dry
3. Spark plug electrode gap too wide
Adjust
4. Ignition coil faulty
Replace
5. High-tension cables open circuit or shorted
Check
6. Electronic control unit faulty
Replace
7. Right-hand switch faulty
Replace
The throttle body is not receiving fuel
1. Faulty fuel pump relay
Change
2. Faulty fuel pump
Check / change
3. Clogged fuel inlet hose
Clean
Engine stalls
1. Fouled spark plug
Clean
easily
2. Electronic control unit faulty
Replace
3. Dirty injector
Clean
4. Low idle
Adjust
Engine is noisy
Noise seems to come from piston
1. Too much piston-to-cylinder clearance
Replace
2. Worn piston rings or piston grooves
Replace
3. Too much carbon build-up in
combustion chamber or on piston crown
Clean
4. Valve clearances too large
Adjust
5. Weak or seized valve springs
Replace
6. Worn timing chain
Replace
7. Incorrect timing chain tension
Adjust
Noise seems to come from crankshaft
1. Worn main bearings
Replace
2. Connecting rod big end has too much side clearance or end float Replace
3. Crankshaft gear damaged
Replace
4. Crankshaft locknut loose
Tighten
Trouble
Cause
Remedy
Noise seems to come from the clutch
1. Worn plates
Replace
2. Too much clearance between clutch housing and friction plates
Replace
Summary of Contents for 2011 SMR449
Page 1: ...www husqvarna motorcycles com Technical DVD Technical DVD Workshop Manual My 2011 Ed 11 2010 ...
Page 6: ......
Page 7: ...b 1 b 1st edition 08 2010 _Rev 11 2010 IMPORTANT NOTICES Section ...
Page 9: ...A 1 A 1st edition 08 2010 _Rev 11 2010 GENERAL INFORMATION Section ...
Page 17: ...A 9 1st edition 08 2010 _Rev 11 2010 GENERAL INFORMATION ...
Page 19: ...B 1 B MAINTENANCE 1st edition 08 2010 _Rev 11 2010 Section ...
Page 25: ...C 1 C 1st edition 08 2010 _Rev 11 2010 TROUBLESHOOTING Section ...
Page 30: ......
Page 31: ...D 1 D SETTINGS AND ADJUSTMENTS 1st edition 08 2010 _Rev 11 2010 Section ...
Page 59: ...E 1 E 1st edition 08 2010 _Rev 11 2010 GENERAL PROCEDURES Section ...
Page 99: ...F 1 F ADJUSTMENTS ENGINE 1st edition 08 2010 _Rev 11 2010 Section ...
Page 106: ......
Page 107: ...F1 1 F1 ENGINE DISASSEMBLY REASSEMBLY 1st edition 08 2010 _Rev 11 2010 Section ...
Page 210: ......
Page 211: ...I 1 I 1st edition 08 2010 _Rev 11 2010 FRONT SUSPENSION Section ...
Page 256: ......
Page 257: ...J 1 J 1st edition 08 2010 _Rev 11 2010 REAR SUSPENSION Section ...
Page 266: ......
Page 267: ...L 1 L 1st edition 08 2010 _Rev 11 2010 BRAKES Section ...
Page 280: ......
Page 281: ...M 1 M ELECTRICAL SYSTEM 1st edition 08 2010 _Rev 11 2010 Section ...
Page 288: ...M 8 TCX 1 2 3 4 ELECTRICAL SYSTEM 1st edition 08 2010 _Rev 11 2010 Adapter TXC ...
Page 304: ...M 24 TC 2 5 1 6 3 4 ELECTRICAL SYSTEM 1st edition 08 2010 _Rev 11 2010 Ignition system TC ...
Page 339: ...N 1 N 1st edition 08 2010 _Rev 11 2010 ENGINE COOLING Section ...
Page 344: ......
Page 345: ...P 1 P 1st edition 08 2010 _Rev 11 2010 HYDRAULICALLY CONTROLLED CLUTCH Section ...
Page 351: ...S 1 S FUEL INJECTION SYSTEM 1st Edition 08 2010 _Rev 11 2010 Section ...
Page 362: ...X 6 1st edition 08 2010 _Rev 11 2010 TIGHTENING TORQUE FIGURES ...
Page 363: ...Y 1 Y 1st edition 08 2010 _Rev 11 2010 CHASSIS AND WHEELS Section ...
Page 380: ......
Page 381: ...Z 19 NOTES FOR USA CDN 1st edition 08 2010 _Rev 11 2010 Z Section ...