Yamaha YZF-R7, Owner'S Service Manual

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ENG
CLUTCH
EB405102
REMOVING THE CLUTCH
1. Remove:
• clutch cover 1
NOTE:
Loosen each bolt 1/4 of a turn at a time,
in stages and in a crisscross pattern.
After all of the bolts are fully loosened,
remove them.
1 1
2. Straighten the lock washer tab.
3. Loosen:
• clutch boss nut 1
NOTE:
While holding the clutch boss 2 with
the clutch holding tool 3 , loosen the
clutch boss nut.
Clutch holding tool
90890-04086
EB405400
CHECKING THE FRICTION PLATES
The following procedure applies to all of
the friction plates.
1. Check:
• friction plate
Damage/wear
→
Replace the friction
plates as a set.
2. Measure:
• friction plate thickness
Out of specification
→
Replace the fric-
tion plates as a set.
NOTE:
Measure the friction plate at four places.
Friction plate #1 thickness
2.9 ~ 3.1 mm
(0.114 ~ 0.122 in)
<Limit>: 2.8 mm (0.110 in)
Friction plate #2 thickness
3.7 ~ 3.9 mm
(0.146 ~ 0.154 in)
<Limit>: 3.6 mm (0.142 in)