Yamaha YB50 Service Manual page 84

ASSEMBLY AND ADJUSTMENT OF ENGINE
6. Install:
• Shim
• Primary fixed pulley wheel
• Washer
• One-way clutch
• Conical spring washer
• Nut
7. Tighten:
• Nut (primary pulley wheel)
Primary pulley wheel nut
3,3 m • kg
NOTE:
When the nut is tightened (primary pulley
wheel), support the magnetic flywheel using
the engine wheel support tool
Engine wheel support tool
90890-01235
8. Adjust:
• Trapezoidal belt
Tense the trapezoidal belt by turning the
primary pulley wheel several times
9. Install:
• Fan
Screw (fan)
0.7 m • kg
KICKSTART PEDAL
1. Install:
• Return spring
• Pedal axle
• Bushing
• Flat washer
• Elastic circlip
4-33
MOT