Yamaha F350B - Assembling the Drive Shaft; Checking the Drive Shaft; Checking the Lower Case

8-30
Drive shaft and lower case (regular rotation model)
Checking the drive shaft
1. Check:
• Drive shaft
Damaged/worn  Replace.
2. Measure:
• Drive shaft runout
Above specification  Replace.
Checking the lower case
1. Check:
• Lower case
Cracked/damaged  Replace.
Assembling the drive shaft
1. Install:
• Tapered roller bearing
• Washer
• Claw washer
• Drive shaft nut
a. Install a new tapered roller bearing inner
race “1”.
Do not press the threads “a” of the drive
shaft directly. Make sure that the special
service tool and blocks do not contact the
threads “b” of the drive shaft.
b. Install a new tapered roller bearing outer
race “1” and the tapered roller bearing in-
ner race “2”.
Do not press the threads “a” of the drive
shaft directly. Make sure that the special
service tool and blocks do not contact the
threads “b” of the drive shaft.
Runout
0.3 mm (0.012 in) (F350BST,
F350SA)
New
Bearing inner race attachment “2”
90890-06640
Press load (bearing)
50  10³ N (5000 kgf, 11000 lbf)
Bearing inner race attachment “3”
90890-06640
2
1
1
b
2
a
3
1
b
3
2
1
a