Yamaha XT250X 2008, Service Manual

Page: 179 / 282

CLUTCH
5-33
EAS25070
REMOVING THE CLUTCH
1. Straighten the lock washer tab.
2. Loosen:
●
Primary drive gear nut “1”
NOTE:
Insert aluminum plate “a” between primary drive
gear “2” and primary driven gear “3”, and loosen
the primary drive gear nut.
3. Loosen:
●
Clutch boss nut “1”
NOTE:
While holding the clutch boss “3” with the univer-
sal clutch holder “2”, loosen the clutch boss nut.
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 the friction plate at four places.
EAS25110
CHECKING THE CLUTCH PLATES
The following procedure applies to all of the
clutch plates.
1. Check:
●
Clutch plate
Damage
→
Replace the clutch plates as a
set.
2. Measure:
●
Clutch plate warpage
(with a surface plate and thickness gauge “1”)
Out of specification
→
Replace the clutch
plates as a set.
EAS25140
CHECKING THE CLUTCH SPRINGS
The following procedure applies to all of the
clutch springs.
1. Check:
●
Clutch spring
Damage
→
Replace the clutch springs as a
set.
2. Measure:
Universal clutch holder
90890-04086
YM-91042
2
1
3
Friction plate thickness
2.70
–
2.90 mm (0.106
–
0.114 in)
Wear limit
2.60 mm (0.1024 in)
Warpage limit
0.20 mm (0.0079 in)
All manuals and user guides at all-guides.com