Removing The Drive Shaft; Disassembling The Lower Case; Checking The Pinion; Checking The Forward Gear - Yamaha F4B Service Manual

LOWR

Removing the drive shaft

1. Remove the E-clip a, and then remove
the drive shaft b and pinion c.
2. Remove the clip d.
3. Remove the forward gear e.
b
d

Disassembling the lower case

1. Remove the ball bearing a.
b
c
d
Stopper guide plate b: 90890-06501
Stopper guide stand c: 90890-06538
Bearing puller assembly d: 90890-06535
2. Remove the oil seals e.
8-11
Lower unit
e
c
a
a
e
3. Remove the bushing f.
4. Remove the bushing g.
b
c
g
i
Stopper guide plate b: 90890-06501
Stopper guide stand c: 90890-06538
Bushing installer center bolt h:
90890-06601
Bushing attachment i: 90890-06650

Checking the pinion

1. Check the teeth of the pinion. Replace if
cracked or worn.

Checking the forward gear

1. Check the teeth and dogs of the forward
gear. Replace if cracked or worn.
f
h