Checking The Friction Plates; Checking The Clutch Plates - Yamaha YFM250RX 2008 Service Manual

CLUTCH

CHECKING THE FRICTION PLATES

The following procedure applies to all of the
friction plates.
1. Check:
• Friction plate
Damage/wear → Replace the friction plate.
2. Measure:
• Friction plate thickness
Out of specification → Replace the friction
plate.
NOTE: NOTE:
Measure the friction plate at four places.
Friction plate thickness
2.9 ~ 3.1 mm (0.114 ~ 0.122 in)
Wear limit
2.8 mm (0.110 in)

CHECKING THE CLUTCH PLATES

The following procedure applies to all of the
clutch plates.
1. Check:
• Clutch plate
Damage → Replace the clutch plate.
2. Measure:
• Clutch plate warpage
(with a surface plate and thickness gauge
)
Out of specification → Replace the clutch
plate.
Warpage limit
0.2 mm (0.0079 in)
4-44
ENG