Checking The Lower Case; Assembling The Forward Gear; Assembling The Drive Shaft Housing - Yamaha F150A Service Manual

Drive shaft runout: 1.0 mm (0.039 in)

Checking the lower case

1. Check the lower case. Replace if cracked
or damaged.

Assembling the forward gear

1. Install new needle bearings "1" and "2" at
the specified installation depth "a" and
"b".
TIP:
• Face the bearing identification mark "c" on
the needle bearing up.
• When using the driver rod, do not strike the
special service tool in a manner that will
force the stopper "6" out of place.
c
4
3
5
6
a
1
Needle bearing attachment "3":
90890-06612
Driver rod SS "4": 90890-06604
Bearing depth plate "5": 90890-06603
Installation depth "a":
20.95–21.45 mm (0.825–0.844 in)
Installation depth "b":
4.45–4.95 mm (0.175–0.195 in)
2. Install a new taper roller bearing inner
race "1".
Drive shaft and lower case (regular rotation model)
4
3
b
2
2
Needle bearing attachment "2":
90890-06654

Assembling the drive shaft housing

1. Install a new needle bearing "1" in the
drive shaft housing at the specified instal-
lation depth "a".
TIP:
When using the driver rod, do not strike the
special service tool in a manner that will force
the stopper "5" out of place.
3
4
Needle bearing attachment "2":
90890-06610
Driver rod SS "3": 90890-06604
Bearing depth plate "4": 90890-06603
Installation depth "a":
5.75–6.25 mm (0.226–0.246 in)
2. Install new oil seals "1" in the drive shaft
housing at the specified installation depth
"a".
TIP:
Install an oil seal halfway into the drive shaft
housing, and then install the other oil seal.
8-23
1
1
5
2
2
a
1