Assembly - Yamaha YFM250XL(C) Service Manual

FINAL DRIVE GEAR AND DRIVE SHAFT
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ASSEMBLY

Reverse the "DISASSEMBLY" procedures.
Note the following points.
1.Install:
Roller bearing (drive pinion gear)
*********************************
Installation steps:
Heat the main housing only to 150˚C (302˚F)
Install the roller bearing outer race using
the proper adapted.
Install the inner race onto the drive shaft.
*********************************
2.Install:
Oil seal 1
Roller bearing 2 (outer race)
Use a suitable press tool 3 and a press to
install the above components into the
main housing.
WARNING
Always use a new oil seal.
3.Install:
Drive pinion gear 1 (with shim(s) 2 and
bearing 3)
Shim(s) → (proper size as calculated)
Bearing retainer 4 (drive pinion gear)
NOTE:
The bearing retainer
threads; turn retainer counterclockwise to
tighten it.
Before installing the bearing retainer,
apply the grease to the O-ring.
When installing the bearing retainer, use
the Bearing Retainer Wrench 1.
Bearing retainer wrench:
P/N. YM-04050, 90890-04050
Bearing retainer:
100 Nm (10.0 m • kg, 72 ft • lb)
DRIV
has left-hand
6