Checking The Pinion Gear - Yamaha YFM45FAR Service Manual

MIDDLE GEAR
5.Remove:
Front drive shaft coupling
G
Bearing retainer 1
G
Bearing
G
NOTE:
Attach the ring nut wrench 2.
Ring nut wrench:
P/N. YM-38404, 90890-01430
CAUTION:
The middle driven shaft bearing retainer
has left-handed threads. To loosen the
retainer turn it clockwise.
6.Remove:
Middle drive shaft 1
G
(with bearing)

CHECKING THE PINION GEAR

1.Check:
Damper cam surfaces
G
Wear/scratches → Replace damper cam and
driven pinion gear as a set.
2.Check:
Damper spring
G
Damage/cracks → Replace.
3.Check:
Gear teeth (drive pinion gear) 1
G
Gear teeth (driven pinion gear) 2
G
Pitting/galling/wear → Replace.
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ENG