Secondary Pulley Wheel - Yamaha YB50 Service Manual

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INSPECTION AND REPAIR

SECONDARY PULLEY WHEEL

1. Inspect:
• Secondary fixed pulley wheel
• Secondary sliding pulley wheel
Striping/Cracks/Damage
• Oil seal
Damage
2. Inspect:
• Turning cam groove
• Guide pin
Wear/Damage
• O-ring
Damaged
3. Measure:
• Free length of variator spring.
Outside specified value
4. Inspect:
• Inner surface of the clutch hub
Oil/Striping
Oil
Striping
5. Measure:
• Internal diameter of the clutch hub
Outside specified value
4-18
ENG
Change.
Change set.
Change.
Free length of secondary pulley
wheel
109.6 mm
<Limit>
90.4 mm
Clean
Use a cloth dampened with
dissolvent
Use sand paper (polish lightly
and uniformly)
Internal diameter of clutch hub
105.0 mm
<Wear limit>
105.4 mm
Change set.
Change
k
a
Change