Checking The Friction Plates; Checking The Clutch Plates - Yamaha 2011 FZ8NA(C) Service Manual

7. Remove:
• Clutch boss nut
• Washer
• Clutch boss assembly
• Thrust plate
8. Remove:
• Wire circlip "1"
TIP
There is a built-in damper between the clutch
boss and the clutch plate. It is not necessary to
remove the wire circlip "1" and disassemble the
built-in damper unless there is serious clutch
chattering.
9. Remove:
• Clutch plate 2 "1"
• Friction plate 3 "2"
10. Remove:
• Clutch damper spring "1"
• Clutch damper spring seat "2"
EAS25100

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.
TIP
Measure the friction plate at four places.
Friction plate thickness
2.92–3.08 mm (0.115–0.121 in)
Wear limit
2.82 mm (0.1110 in)
A. Friction plate 1 and friction plate 2
B. Friction plate 3
EAS25111

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.
5-50
CLUTCH