Installing The Oil Pump; Installing The Oil Seal Housing - Yamaha F4B Service Manual

Installing the oil pump

Do not reuse a gasket, always replace it
with a new one.
1. Install the rotor assembly a and plate b.
TIP:
Install the rotor assembly in the same direc-
tion as when it was removed.
2. Install the oil strainer c, the spring d, a
new gasket e, and the cover f.
3. Install a new gasket g and the drain bolt
h.
h
f
g
e
d
c

Installing the oil seal housing

Do not reuse an oil seal or O-ring, always
replace it with a new one.
1. Install new oil seals a.
b
c
a
Driver rod L3 b: 90890-06652
Needle bearing attachment c:
2. Install the oil seal d.
Driver rod L3 b: 90890-06652
Needle bearing attachment e:
b
3. Install a new O-ring f to the oil seal
a
90890-06615
b
e
d
90890-06613
housing g, and then install the oil seal
housing g.
Crankcase
0
1
2
3
4
5
g
6
f
7
8
9
10
A
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