Removing The Upper Case; Disassembling The Upper Case; Checking The Drive Shaft Bushing; Disassembling The Oil Pan - Yamaha F50F Service Manual

Removing the upper case

1. Place a drain pan under the drain hole,
and then remove the drain bolt and let
the oil drain completely.
2. Remove the bolts, and then remove the
covers.
3. Remove the upper mounting nuts and
lower mounting bolts, and then remove
the upper case.
NOTE:
To remove or install the upper case without
removing the power unit, suspend the out-
board motor so that there is no load on the
upper mount bolts.

Disassembling the upper case

1. Remove the muffler assembly from the
upper case.
2. Remove the circlip.
3. Remove the drive shaft bushing.
1
3
Bearing puller assembly 1:
90890-06535
Bearing puller claw 1 2:
90890-06536
Stopper guide stand 3:
90890-06538
Stopper guide plate 4: 90890-06501

Checking the drive shaft bushing

1. Check the drive shaft bushing for cracks
or wear. Replace if necessary.
6C13G11
4
3
2
S6C17220

Disassembling the oil pan

1. Remove the muffler 1, plate 2, and
exhaust manifold 3 from the oil pan 4.
4
3
2. Remove the oil pan 4 from the exhaust
guide 5.
3. Remove the oil strainer 6 from the
exhaust guide 5.
5
4
6

Checking the oil strainer

1. Check the oil strainer for dirt or residue.
Clean if necessary.
Upper case
1
2
2
1
3
S6C17120
4
5
6
7
S6C17130
8
9
7-18