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C.3
TROUBLESHOOTING
Ed. 05-2011
Trouble
Cause
Remedy
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
Noise seems to come from crankshaft
1. Worn main bearings
Replace
2. Connecting rod big end has too much side clear-
ance or
end float
Replace
3. Crankshaft gear damaged
Replace
4. Countershaft not correctly installed
Install correctly
5. Crankshaft and countershaft gears damaged
Replace
Noise seems to come from the clutch
1. Worn plates
Replace
2. Too much clearance between clutch housing and
friction plates
Replace
Noise seems to come from gearbox
1. Worn gears
Replace
2. Worn gear grooves
Replace
Noise seems to come from the secondary
drive chain
1. Chain stretched (worn) or improperly adjusted
Replace or adjust
2. Worn transmission sprockets
Replace
The clutch slips
1. Clutch adjuster screw with insufficient clearance
Adjust
2. Weak clutch springs
Replace
3. Worn clutch plates
Replace
The clutch is tight
1. Clutch adjuster screw with exceeding clearance Adjust
2. Non uniform spring load
Replace
3. Bent clutch plates
Replace
The gears cannot be inserted
.
1. Clutch does not disengage
Adjust
2. Bent or seized shifter forks
Replace
3. Worn gear ratchets
Replace
4. Damaged shifter fork shafts
Replace
Summary of Contents for 2011 SMS 125
Page 1: ...Workshop Manual WRE 125 2011 SMS 125 2011 Ed 05 2011 ...
Page 6: ......
Page 7: ...b 1 b IMPORTANT NOTICES Ed 05 2011 Section ...
Page 9: ...A 1 A GENERAL INFORMATION Ed 05 2011 Section ...
Page 16: ......
Page 17: ...B 1 B MAINTENANCE Ed 05 2011 Section ...
Page 20: ......
Page 21: ...C 1 C TROUBLESHOOTING Ed 05 2011 Section ...
Page 27: ...D 1 D SETTINGS AND ADJUSTMENTS Ed 05 2011 Section ...
Page 54: ......
Page 55: ...E 1 E GENERAL PROCEDURES Ed 05 2011 Section ...
Page 83: ...F 1 F ENGINE DISASSEMBLY Ed 05 2011 Section ...
Page 100: ......
Page 101: ...G 1 G ENGINE OVERHAUL Ed 05 2011 Section ...
Page 124: ......
Page 125: ...H 1 H ENGINE ASSEMBLY Ed 05 2011 Section ...
Page 142: ......
Page 143: ...I 1 I FRONT SUSPENSION Ed 05 2011 Section ...
Page 145: ...I 3 H02628 WRE 125 H02629 SMS 125 H02630 SMS 125 H02631 SMS 125 FRONT SUSPENSION Ed 05 2011 ...
Page 154: ......
Page 155: ...J 1 J REAR SUSPENSION Ed 05 2011 Section ...
Page 163: ...L 1 L BRAKES Ed 05 2011 Section ...
Page 175: ...M 1 M ELECTRICAL SYSTEM Ed 05 2011 Section ...
Page 178: ...M 4 ELECTRICAL SYSTEM Ed 05 2011 ...
Page 216: ......
Page 217: ...N 1 N ENGINE COOLING Ed 05 2011 Section ...
Page 222: ......
Page 223: ...W 1 W SPECIAL TOOLS Ed 05 2011 Section ...
Page 230: ......
Page 231: ...Y 1 Y CHASSIS AND WHEELS Ed 05 2011 Section ...