Disassembling The Lower Case; Checking The Pinion And Forward Gear; Checking The Bearing; Checking The Drive Shaft - Yamaha F30A Service Manual

Disassembling the lower case

1. Remove the taper roller bearing outer
race and forward gear shim(s).
1
CAUTION:
Do not reuse the bearing, always replace
it with a new one.
NOTE:
Fit the hooks of the puller claw into the slots
a in the lower case.
Bearing outer race puller assembly
1: 90890-06523
Stopper guide stand 2:
90890-06538
2. Remove the taper roller bearing outer
race, pinion shim(s), and drive shaft
sleeve.
3
2
4
67C3K11
2
a
S67C6034
S67C6093
Drive shaft and lower case
Stopper guide stand 2:
90890-06538
Stopper guide plate 3:
90890-06501
Bearing puller assembly 4:
90890-06535
3. Remove the needle bearing from the
lower case.
6
CAUTION:
Do not reuse the needle bearing, always
replace it with a new one.
Driver rod L3 5: 90890-06652
Needle bearing attachment 6:
90890-06614
Checking the pinion and forward
gear
1. Check the teeth of the pinion, and the
teeth and dogs of the forward gear.
Replace the pinion or forward gear if
cracked or worn.

Checking the bearing

1. Check the bearings. Replace if pitted or if
there is rumbling.

Checking the drive shaft

1. Check the drive shaft. Replace if bent or
worn.
1
2
5
3
6
4
S67C6036
5
6
7
8
9
6-14