Yamaha YB50 Service Manual page 77

ASSEMBLY AND ADJUSTMENT OF ENGINE
6. Tighten:
• Nut (flywheel magneto)
Use the engine wheel support tool
Engine wheel support tool
90890-01235
Flywheel nut
4.3 m • kg
TRANSMISSION
1. Apply:
• SE engine oil type 10W30
(on the transmission box cover bearing)
2. Install:
• Secondary pulley wheel axle
(on transmission box cover)
3. Install:
• Circlip
• Oil seal
NOTE:
Apply grease with lithium soap based on the
oil seal lips.
4. Check:
• Rotation of secondary pulley wheel axle.
Rough rotation
5. Apply:
• SE type 10W30 engine oil
(on bearing of main axle and drive axle
bearing)
6. Install:
• Drive axle
• Main axle
• Conical spring washer
• Flat washer
7. Install:
• Gasket
• Conical pins
• Transmission box cover
Screw (box cover)
0.9 m • kg
4-26
MOT
.
Repair.