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CLUTCH
5-33
TIP
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:
• Clutch spring free length “a”
Out of specification → Replace the clutch
springs as a set.
EAS25150
CHECKING THE CLUTCH HOUSING
1. Check:
• Clutch housing dogs
Damage/pitting/wear → Deburr the clutch
housing dogs or replace the clutch hous-
ing.
TIP
Pitting on the clutch housing dogs will cause
erratic clutch operation.
EAS25160
CHECKING THE CLUTCH BOSS
1. Check:
• Clutch boss splines
Damage/pitting/wear → Replace the
clutch boss.
Friction plate thickness
2.90–3.10 mm (0.114–0.122 in)
Wear limit
2.80 mm (0.110 in)
Thickness gauge
90890-03180
Feeler gauge set
YU-26900-9
Warpage limit
0.20 mm (0.0079 in)
Clutch spring free length
47.80 mm (1.88 in)
Minimum length
46.50 mm (1.83 in)