CLUTCH
5-50
EAS25080
REMOVING THE CLUTCH
1. Loosen:
• Clutch boss nut “1”
NOTE:
While holding the clutch boss “2” with the univer-
sal clutch holder “3”, loosen the clutch boss nut.
2. Remove:
• Clutch boss nut “1”
• Conical spring washer “2”
• Clutch boss assembly “3”
NOTE:
There is a built-in damper between the clutch
boss and the clutch plate. It is not necessary to
remove the wire circlip “4” and disassemble the
built-in damper unless there is serious clutch
chattering.
EAS25090
REMOVING THE PRIMARY DRIVE GEAR
1. Straighten the lock washer tab.
2. Remove:
• Primary drive gear nut “1”
• Lock washer “2”
NOTE:
• While holding the generator rotor “3” with the
sheave holder “4”, loosen the primary drive
gear nut.
• Do not allow the sheave holder to touch the
projection on the generator rotor.
EAS25100
CHECKING THE FRICTION PLATES
The following procedure applies to all of the fric-
tion plates.
1. Check:
• Friction plate
Damage/wear → Replace the friction plates
as a set.
2. Measure:
• Friction plate thickness
Out of specification → Replace the friction
plates as a set.
NOTE:
Measure each friction plate at four places.
Universal clutch holder
90890-04086
YM-91042
3
1
2
3
1
2
4
Sheave holder
90890-01701
Primary clutch holder
YS-01880-A
Friction plate 1, 3 thickness
2.90–3.10 mm (0.114–0.122 in)
Wear limit
2.80 mm (0.1102 in)
1
2
3
4
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