Checking The Pinion And Forward Gear; Checking The Bearings; Checking The Drive Shaft; Checking The Lower Case - Yamaha F90D Service Manual

NOTE:
Install the claws as shown.
Slide hammer 1: YB-06096
Bearing puller legs 2: YB-06523
2. Remove the drive shaft bearing outer
race, shim(s), and drive shaft sleeve.
NOTE:
Install the claws as shown.
Slide hammer 3: YB-06096
3. Remove the needle bearing.
Drive shaft needle bearing remover
and installer 4:
YB-06155
Driver handle (large) 5: YB-06071
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.
6D81G11
Drive shaft and lower case

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)

Checking the lower case

1. Check the skeg and torpedo for cracks or
damage. Replace the lower case if nec-
essary.
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S6D86210
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