Yamaha F150A Service Manual page 365

When heating the propeller shaft housing,
heat the entire installation area evenly.
Otherwise, the propeller shaft housing
could be damaged.
5. While holding the special service tool "1",
strike the tool to check that the taper
roller bearing "2" is installed properly.
TIP:
If a high-pitched metallic sound is produced
when the special service tool is struck, the
taper roller bearing outer race is installed
properly.
1
Ring nut wrench "1": 90890-06578
6. Install the thrust washer "1" and forward
gear "2" using the dog clutch "3" and
special service tool "4".
TIP:
Face the "F" mark "a" on the dog clutch "3"
toward the forward gear.
Propeller shaft housing (counter rotation model)
4
3
1
2
Ring nut wrench "4": 90890-06578
7. Install the spring "1", balls "2", "3", and
"4", and slider "5".
5
4
1
8. Install the dog clutch "1" so that the hole
"a" in the dog clutch "1" and the hole "b"
2
in the propeller shaft are aligned with the
hole "c" in the slider "2".
TIP:
Face the "F" mark "d" on the dog clutch "1"
toward the forward gear.
8-58
1
4 1 3
4 2 3
1
3
5
2
3
4
a
4
3
2
1
0
1
2
3
4
5
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10
A