Disassembling The Lower Case; Checking The Shift Rod And Shift Cam; Checking The Pinion And Forward Gear; Checking The Bearings - Yamaha F50F Service Manual

LOWR

Disassembling the lower case

1. Remove the taper roller bearing outer
race and shim(s).
NOTE:
Install the claws as shown.
Bearing outer race puller
assembly 1:
90890-06523
Stopper guide stand 2:
90890-06538
2. Remove the drive shaft bearing outer
race, shim(s), and drive shaft sleeve.
5
3
NOTE:
Install the claws as shown.
Stopper guide plate 3: 90890-06501
Stopper guide stand 4:
90890-06538
Bearing puller assembly 5:
90890-06535
3. Remove the needle bearing.
6-15
Lower unit
4
S6C16180
Needle bearing attachment 6:
90890-06614
Driver rod L3 7: 90890-06652

Checking the shift rod and shift cam

1. Check the shift rod and shift cam for
cracks or wear. Replace if necessary.
Checking the pinion and forward
gear
1. Check the teeth of the pinion, and the
teeth and dogs of the forward gear for
cracks or wear. Replace if necessary.

Checking the bearings

1. Check the bearings for pitting or rum-
bling. Replace if necessary.

Checking the drive shaft

1. Check the drive shaft for bends or wear.
Replace if necessary.
2. Measure the drive shaft runout.
Runout limit: 0.5 mm (0.020 in)
S66T6380
6C13G11