Checking The Clutch Springs; Checking The Clutch Housing; Checking The Clutch Boss; Checking The Pressure Plate - Yamaha YFM250RX 2008 Service Manual

CLUTCH

CHECKING THE CLUTCH SPRINGS

The following procedure applies to all of the
clutch springs.
1. Check:
• Clutch spring
Damage → Replace the clutch spring.
2. Measure:
• Clutch spring free length
Out of specification → Replace the clutch
spring.
Clutch spring free length
47.80 mm (1.88 in)
Minimum length
46.50 mm (1.83 in)

CHECKING THE CLUTCH HOUSING

1. Check:
• Clutch housing dogs
Damage/pitting/wear → Deburr the clutch
housing dogs or replace the clutch housing.
NOTE: NOTE:
Pitting on the clutch housing dogs will cause
erratic clutch operation.

CHECKING THE CLUTCH BOSS

1. Check:
• Clutch boss splines
Damage/pitting/wear → Replace the clutch
boss.
NOTE: NOTE:
Pitting on the clutch boss splines will cause
erratic clutch operation.

CHECKING THE PRESSURE PLATE

1. Check:
• Pressure plate
Cracks/damage → Replace.
4-45
ENG