C.5
TROUBLESHOOTING
Ed. 05-2011
CHASSIS
Trouble
Cause
Remedy
The handlebar is hard to turn
1. Insufficient tyre pressure
Inflate
2. Bearing adjuster ring nut or steering stem nut
overtightened
Adjust
3. Bent steering stem
Replace bottom yoke
4. Worn or seized steering bearings
Replace
Handlebar vibration
1. Bent fork legs
Replace
2. Bent front wheel axle
Replace
3. Warped chassis
Replace
4. Bent front wheel rim
Replace
5. Worn front wheel bearings
Replace
Damping is too hard
1. Too much oil in fork legs
Remove excess oil
2. Fork oil viscosity too high
Replace
3. Overinflated tyres
Deflate
4. Improperly set rear shock absorber
Adjust
Damping is too soft
1. Insufficient oil in fork legs
Top up
2. Fork oil viscosity too low
Replace
3. Damping cartridge inside fork legs is not working
properly
Replace
4. Weak rear shock absorber spring
Replace
5. Improperly set rear shock absorber
Adjust
(
Front and rear ) wheel vibrates
1. Bent wheel rim
Replace
2. Worn wheel hub bearings
Replace
3. Incorrect spoke tension
Adjust
4. Wheel axle nut loose
Tighten
5. Worn rear swinging arm bearings
Replace
6. Improperly adjusted chain tensioners
Adjust
7. Improperly balanced wheel
Balance
Rear suspension is noisy
1. Worn link rod spacers or bearings
Replace
2. Worn shock absorber ball joints
Replace
3. Shock absorber faulty
Replace
Poor braking
(front and rear)
1. Air in brake system
Bleed
2. Insufficient fluid in tank
Top up
3. Worn brake pad and/or disc
Replace
4. Damaged disc
Replace
5. Improperly adjusted brake pedal
Adjust
6. Water in brake system
Change fluid
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 ...