Yamaha F4B, Service Manual

Page: 116 / 202

7-23
POWR
Power unit
Removing the oil pump
1. Remove the drain bolt
a
and gasket
b
,
and then drain the remaining engine oil.
2. Remove the cover
c
, gasket
d
, spring
e
, and oil strainer
f
.
3. Remove the plate
g
, and then remove
the rotor assembly
h
.
TIP:
Keep the rotor assembly
h
in the same
direction as originally installed.
Removing the oil seal housing
1. Remove the oil seal housing
a
.
2. Remove the O-ring
b
and oil seals
c
and
d
.
Removing the crankcase
1. Remove the cooling water hose
a
.
2. Remove the blind plug
b
and gasket
c
.
a
b
d
c
e
f
g
h
a
b
d
c
a
c
b