Primary Sheave Inspection - Yamaha MBK YQ100 Service Manual

V-BELT, CLUTCH AND
SECONDARY/PRIMARY SHEAVE
4-22

PRIMARY SHEAVE INSPECTION

1. Inspect :
• Primary sliding sheave
• Primary fixed sheave
Wear/Cracks/Scratch/Damage
→Replace.
2. Check :
• Free movement
Insert the collar
sheave , and check for free movement.
Stick or excessive play → Replace the sheave
or collar.
3. Measure :
• Outside diameter
Out of specification → Replace.
Outside diameter (weight)
15.0 mm
<Limit 14.5 mm>
ENG
into the primary sliding
(weight)