Yamaha YZFR1W 2007, Service Manual

Page: 248 / 429

CLUTCH
5-48
• Springs
• Pressure plate 2
• Conical spring washer
• Thrust plate 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 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.
3. Measure:
• assembly width “a” of the friction plates and
clutch plates
Out of specification
→
Adjust.
NOTE:
Perform the thickness measurement without
applying the oil.
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a. Assembly width adjusted by clutch plate “1”
and “2”.
b. Select the clutch plate from the following
table.
Clutch plate “1”
Friction plate thickness
2.90–3.10 mm (0.114–0.122 in)
Wear limit
2.80 mm (0.1102 in)
Warpage limit
0.10 mm (0.0039 in)
Assembly width
42.4–43.0 mm (1.67–1.69 in)
Part No. Thickness
4B1-16324-00 1.6 mm (0.062 in)
5VY-16325-00 2.0 mm (0.079 in) STD
4B1-16325-00 2.3 mm (0.091 in)