Yamaha YQ50 Service Manual page 95

ENGINE ASSEMBLY AND ADJUSTEMENT
5. Install :
• V-belt
Place the V-belt around the secondary sheave,
and compress the secondary sheave spring
hard so that the V-belt moves toward the clutch
hub.
NOTE:
• The arrow on the V-belt must point to the front.
• Make sure the V-belt is not stained with oil or
grease.
6. Install :
• Shim Q
• Primary fixed sheave W
• Washer E
• One-way clutch R
• Washer T
• Nut Y
319027
7. Tighten :
Nut (primary sheave)
Nut (primary sheave) :
NOTE:
When tightening the nut (primary sheave), hold
the magneto rotor using the flywheel holding
tool.
Flywheel holding tool :
8. Adjust :
• V-belt
Tense the V-belt by turning the primary sheave
several times.
4-34
ENG
33 Nm (3.3 m.kg)
90890-01235