Yamaha TZR50 '03 Service Manual page 111

ASSEMBLING AND ADJUSTING THE ENGINE
NOTE:
To tighten the CDI magneto nut use the flyw-
heel holder 90890-01235 and without relea-
sing this also tighten the nuts of the balancer
shaft and that of the crankshaft gear
CDI magneto nut:
5.2 m • kg
Crankshaft gear nut:
6.0 m • kg
1. Install:
• Washer
• Tachometer gear
• Washer
2. Install:
• Key
• Driven gear of balancer
• Washer
• Nut
3. Install:
• O ring
• Bush
• Drive gear
• Key
• Primary transmission gear
• Nut
NOTE:
The driven and drive gears must have the two
marks aligned
4-32
ENG