Yamaha F50D Servise Manual - page 213
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Checking the lower case
1.
Check the skeg, anti-cavitation plate and
torpedo. Replace the lower case if
cracked or damaged.
Assembling the forward gear
1.
Install a new taper roller bearing into the
forward gear.
NOTICE:
Do not reuse the
bearing, always replace it with a new
one.
Assembling the drive shaft
1.
Install a new taper roller bearing into the
drive shaft.
NOTICE:
Do not reuse the
bearing, always replace it with a new
one.
Installing the shift rod
1.
Install new O-rings
1
,
2
, plate
3
, a new
oil seal
4
, circlip
5
, shift rod
6
, and
shift cam
7
.
Assembling the lower case
9
Use heat-resistant gloves, otherwise
burns could result.
9
Remove any flammable substances,
such as gasoline and oil, around the
working area to avoid the risk of fire.
9
Heat the lower case in a well-ventilated
area.
Draive shaft runout: 0.2 mm (0.008 in)
Magnet base plate
1
: 90890-07003
Bearing inner race attachment
2
:
90890-06639
1
2
Bearing inner race attachment
1
:
90890-06644
1
1
F
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6
5
1
4
3
2
Drive shaft and lower case (F50D)