Page 313 of 2492
PRD2004 DI2001
CLUTCH
Section views
20
Dry operating cable controlled monodisc clutch.
Clutch plate with diaphragm.
Rubber hub mounted clutch plate.
Self-centring guided and constant pressure thrust
pad.
Automatic wear adjustment.
Exploded view
20-3
Page 314 of 2492
CLUTCH
Consumables
20
Splines of the right hand sunwheel
Fork pivot
Thrust pad guide
Fork pads
MOLYKOTE BR277 01 421 1451 kg tinCLUTCH
TypePackagingPart numberComponent
Housing assembly surfacesLOCTITE 51877 01 421 162 24 ml syringe
20-4
Page 315 of 2492

CLUTCH
Fault finding
20
The clutch is slipping :
- when stopped, handbrake on, at 2000 to
3000 rpm, impossible to stall the engine
when letting the clutch in,
- with 4th or 5th gear engaged, the engine
seems to race.
Check the travel of
the fork (1)
INCORRECT
KEY
Fault found
Check
Operations to be
carried out
(*)Depending on version
(1)See "Removal - Refitting" chapter(2)Grommet placed on the end of the clutch
cable on the gearbox end Check the
clearance
INCORRECTCORRECT
CORRECTINCORRECT
CORRECT
Check the
condition of the
pins and support
points
INCORRECT
Replace the
faulty partsCheck the condition
of the pedal and the
assistance spring (*)
Replace the
faulty parts
Replace the
fork
OILYWORN
Check the condition
of the clutch
Replace the
clutchReplace the clutch and
repair the leak
INCORRECT
Repair the
automatic
adjustment
device
INCORRECTCORRECT
CORRECT
Check the
automatic
adjustment device
CORRECT
Check the condition
of the cable and the
anti-noise rubber
washer (2)
Check the
condition of the
fork
20-5
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CLUTCH
Fault finding
The gearbox clunks.
Clutch pedal fully pressed down :
- vehicle stationary,
- engine running.
INCORRECTCORRECT
Check the automatic
adjustment system
INCORRECT INCORRECT CORRECT
Replace the clutch fork or
check that it is correctly
positioned
CORRECT
Replace the faulty
parts
Replace the faulty
parts
Toothed sector
jammed or spring
broken
INCORRECT
CORRECTINCORRECT
Clutch stuck
Free the clutch
Rare case, may occur
after the vehicle has been
stopped for a long time
(several months)
Replace the faulty parts
Clutch operation
Check the condition
of the pedal
CORRECT
20
(1)Grommet placed on the end of the clutch cable on
the gearbox end
Check the condition of
the cable and the anti-
noise rubber washer
(1)
20-6
Page 317 of 2492
CLUTCH
Fault finding
20
The gearbox clunks in 1st or
reverse gear only when
cold:
- vehicle stationary,
- engine running.
Check the grade
of the
gearbox oil
INCORRECT
Change the oilCheck the internal
parts of the gearbox
CORRECT
20-7
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CLUTCH
Fault finding
20
The gears are difficult to
engage :
- vehicle moving.
INCORRECTCORRECT
Check the travel of
the fork (1)
Check the clearanceCheck the gearbox
control lever
INCORRECTCORRECTINCORRECT
(*)Depending on version
(1)See "Removal - Refitting" chapter(2)Grommet positioned on the end of the clutch
cable on the gearbox end Check the
condition of the
clutch
CORRECT
INCORRECTCORRECT
CORRECTINCORRECT
Check the condition
of the fork
CORRECT
Check the condition
of the pins and
support points
INCORRECT
Replace the
faulty partsCheck the condition
of the pedal and the
assistance spring (*)
Replace the
faulty parts
Replace the
fork
Check the
automatic
adjustment device
INCORRECT
Repair the
automatic
adjustment
device
Replace the
faulty partsCheck the internal
parts of the
gearbox
CORRECT
Check the condition
of the cable and the
anti-noise rubber
washer (2)
20-8
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CLUTCH
Fault finding
20
Impossible to change gear
CORRECTINCORRECT
Replace the faulty
parts
INCORRECTCORRECT
Check the condition
of the gear control
lever
Replace the faulty
parts
Check the condition
of the clutch
CORRECTINCORRECT
Replace the faulty
partsCheck the internal
parts of the gearbox
Check the clutch control
20-9
Page 320 of 2492
CORRECT
CLUTCH
Fault finding
20
Juddering
INCORREC
Check the travel of
the fork(1)
Check the clearance
Check the condition
of the gearbox
mountings
Change the
mountings, check
the engine
mountings are
tight and check
that the gearbox is
properly mounted
on the engine
CORRECT
Change the clutch
plate and repair
the leak
INCORRECT
(*)Depending on version
(1)See "Removal - Refitting" chapter(2)Grommet positioned on the end of the clutch
cable on the gearbox side.
CORRECTINCORRECT
Check the
condition of the
clutch
CORRECT
INCORRECCORRECT
CORRECTINCORRECT
Check the condition
of the fork
CORRECT
Check the
condition of the
pins and support
points
INCORRECT
Replace the
faulty partsCheck the condition
of the pedal and
assistance spring (*)
Replace the
faulty parts
Replace the
fork
Check the
automatic
clearance device
INCORRECT
Repair the
automatic
adjustment
device
Check the condition
of the cable and the
anti-noise rubber
washer (2)
20-10