Checking The Friction Plates; Checking The Clutch Plates; Checking The Clutch Damper Springs - Yamaha TMAX 2020 Service Manual

EAS30348

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
and clutch plates as a set.
2. Measure:
• Friction plate thickness
Out of specification  Replace the friction
plates and clutch 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 (0.111 in)
EAS30349

CHECKING THE CLUTCH PLATES

The following procedure applies to all of the
clutch plates.
1. Check:
• Clutch plate
Damage  Replace the clutch plates and
friction plates as a set.
2. Measure:
• Clutch plate warpage
(with a surface plate and thickness gauge)
Out of specification  Replace the clutch
plates and friction plates as a set.
• Clutch plate thickness
Out of specification  Replace the clutch
plates and friction plates as a set.
TIP
Measure the clutch plate 2 at four places.
Thickness gauge
90890-03268
Feeler gauge set
YU-26900-9
Clutch plate 1 thickness
1.30–1.50 mm (00.51–0.059 in)
Warpage limit
0.10 mm (0.004 in)
Clutch plate 2 thickness
1.80–2.00 mm (00.71–0.079 in)
Warpage limit
0.10 mm (0.004 in)
Wear limit
1.75 mm (0.069 in)
A. Clutch plate 1
B. Clutch plate 2
EAS31442
CHECKING THE CLUTCH DAMPER
SPRINGS
The following procedure applies to all of the
clutch damper springs.
1. Check:
• Clutch damper spring
Damage  Replace.
2. Measure:
• Clutch damper spring free height "a"
Out of specification  Replace the clutch
damper springs as a set.
Clutch damper spring height
3.50 mm (0.14 in)
Minimum height
3.10 mm (0.12 in)
5-59
CLUTCH
a