Checking The Clutch Springs - Yamaha YZFR6X(C) 2008 Service Manual

Thickness gauge
90890-03180
Feeler gauge set
YU-26900-9
Clutch plate thickness
1.90–2.10 mm (0.075–0.083 in)
Warpage limit
0.10 mm (0.0039 in)
NOTE:
The clutch plate thickness specification listed
above is for the plates with the standard thick-
ness only. If a clutch plate with one of the other
two plate thicknesses is installed, use 1.50–
1.70 mm (0.059–0.067 in) or 2.20–2.40 mm
(0.086–0.094 in) for the specification according
to the plate.
3. Measure:
• Total width "a" of the friction plates and
clutch plates
Out of specification → Adjust.
Total width of the friction plates
and clutch plates
42.4–43.0 mm (1.67–1.69 in)
a
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a. Adjust the total width by replacing the
clutch plate "1" and, if necessary, clutch
plate "2".
b. Select the clutch plate from the following
table.
Clutch plate "1"
Part No.
168-16325-00
3J2-16324-00
168-16324-00
Clutch plate "2"
Part No.
3J2-16324-00
168-16324-00
NOTE:
When adjusting the clutch assembly width (by
replacing the clutch plate(s)), be sure to
replace the clutch plate "1" first. After replacing
the clutch plate "1", if specifications cannot be
met, replace the clutch plate "2".
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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:
• Clutch spring free length "a"
Out of specification → Replace the clutch
springs as a set.
Clutch spring free length
55.00 mm (2.17 in)
Minimum length
54.00 mm (2.13 in)
5-41
CLUTCH
Thickness
1.6 mm (0.063 in)
2.0 mm (0.079 in) STD
2.3 mm (0.091 in)
Thickness
2.0 mm (0.079 in) STD
2.3 mm (0.091 in)
1
2