Checking The Clutch Spring Plate; Checking The Clutch Housing; Checking The Clutch Boss; Checking The Pressure Plate - Yamaha VMAX 2009 Service Manual

EAS25130

CHECKING THE CLUTCH SPRING PLATE

1. Check:
• Clutch spring plate
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
6.88 mm (0.27 in)
Minimum height
6.38 mm (0.25 in)
EAS25150

CHECKING THE CLUTCH HOUSING

1. Check:
• Clutch housing dogs
Damage/pitting/wear → Deburr the clutch
housing dogs or replace the clutch housing.
TIP
Pitting on the clutch housing dogs will cause er-
ratic clutch operation.
2. Check:
• Bearing
Damage/wear → Replace.
EAS25160

CHECKING THE CLUTCH BOSS

1. Check:
• Clutch boss splines
Damage/pitting/wear → Replace the clutch
boss.
TIP
Pitting on the clutch boss splines will cause er-
ratic clutch operation.
EAS25170

CHECKING THE PRESSURE PLATE

1. Check:
• Pressure plate
Cracks/damage → Replace.
• Bearing
Damage/wear → Replace.
EAS25190

CHECKING THE CLUTCH PUSH RODS

1. Check:
• O-ring
• Short clutch push rod
• Long clutch push rod
• Ball
Cracks/damage/wear → Replace the defec-
tive part(s).
2. Measure:
• Long clutch push rod bending limit
Out of specification → Replace.
Long clutch push rod bending
limit
0.370 mm (0.0146 in)
EAS25210

CHECKING THE PRIMARY DRIVEN GEAR

1. Check:
• Primary driven gear "1"
Damage/wear → Replace the primary drive
and primary driven gears as a set.
Excessive noise during operation → Replace
the clutch housing and crankshaft as a set.
5-58
CLUTCH