Yamaha F225F, Service Manual

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7-67
Power unit
POWR
Checking the oil pump assembly
1. Check the inner surface of the oil pump
housing. Replace the oil pump assembly
if scratched.
2. Check the gear teeth of the inner rotor
and outer rotor. Replace the oil pump
assembly if the gear teeth are cracked or
worn.
Checking the oil cooler
1. Check the oil cooler. Replace if corroded
or cracked.
Checking the oil cooler anode
1. Check the anode. Replace if eroded.
Clean if there is grease, oil, or scales.
NOTICE: Do not apply grease, oil, or
paint to the anode.
Assembling the oil pump assembly
Do not reuse an oil seal, always replace it
with a new one.
1. Install new oil seals
a
into the oil pump
housing
a
.
TIP:
Install an oil seal halfway into the oil pump
housing, and then install the other oil seal.
2. Install a new oil seal
d
into the oil pump
housing
a
.
3. Install the outer rotor
b
, the inner rotor
c
, a new gasket
f
, and the oil pump
cover
d
, and then tighten the oil pump
cover screws
e
to the specified torque.
4. Install a new oil seal
g
so that it is facing
in the proper direction.
a
a
b
c
c
b
Driver rod L3
b
: 90890-06652
Needle bearing attachment
c
:
90890-06612
Bearing inner race attachment
e
:
90890-06640
b
a
c
a
e
d
a