Checking The Friction Plates; Checking The Clutch Plates; Checking The Clutch Spring Plate - Yamaha FJR1300A(D) Service Manual

EAS25100

CHECKING THE FRICTION PLATES

The following procedure applies to all of the fric-
tion 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.
TIP
Measure the friction plate at four places.
Friction plate 1, 3 thickness
2.90–3.10 mm (0.114–0.122 in)
Wear limit
2.80 mm (0.110 in)
Friction plate 2 thickness
2.92–3.08 mm (0.115–0.121 in)
Wear limit
2.82 mm (0.111 in)
A
A. Friction plate 1, 3
B. Friction plate 2
EAS25110

CHECKING THE CLUTCH PLATES

The following procedure applies to all of the
clutch plates.
B
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.
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)
EAS25130

CHECKING THE CLUTCH SPRING PLATE

1. Check:
• Clutch spring plate retainer
Damage → Replace.
2. Check:
• Clutch spring plate seat
Damage → Replace.
3. Measure:
• Clutch spring free height
Out of specification → Replace the clutch
spring plate.
Clutch spring height
6.78 mm (0.27 in)
Minimum height
6.44 mm (0.25 in)
5-50
CLUTCH