Checking The Pinion Gears - Yamaha YFM7FGPW Service Manual

3
MIDDLE GEAR
5. Remove:
• oil seal 1
• middle driven shaft bearing retainer 2
NOTE:
_
Attach the ring nut wrench 3.
2
1
CAUTION:
_
The middle driven shaft bearing retainer
has left-handed threads. To loosen the
retainer turn it clockwise.
6. Remove:
• middle driven shaft 1
(with bearing)
1
EBS01021

CHECKING THE PINION GEARS

1. Check:
• drive pinion gear teeth
• driven pinion gear teeth
Pitting/galling/wear → Replace.
2. Check:
• O-ring
Damage → Replace.
• bearings
Pitting/damage → Replace.
4 - 95
ENG
Ring nut wrench
90890-01430, YM-38404