Yamaha Motor YZ250F 2005 Manuel D'atelier Du Proprietaire page 360

CLUTCH
Friction plate
1. Measure:
• Friction plate thickness
Out of specification → Replace friction
plate as a set.
Measure at all four points.
Friction plate thickness:
2.9 ~ 3.1 mm
(0.114 ~ 0.122 in)
<Limit>: 2.7 mm (0.106 in)
EC484600
Clutch plate
1. Measure:
• Clutch plate warpage
Out of specification → Replace clutch
plate as a set.
Use a surface plate 1 and thickness
gauge 2.
Warp limit:
0.1 mm (0.004 in)
Push lever shaft
1. Inspect:
• Push lever shaft 1
Wear/damage → Replace.
Push rod
1. Inspect:
• Push rod 1 1
• Bearing 2
• Washer 3
• Push rod 2 4
• Ball 5
Wear/damage/bend → Replace.
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ENG