Disassembling The Oil Pump; Checking The Oil Pump; Assembling The Oil Pump - Yamaha F150A Service Manual

POWR
3. Select the suitable color c for the main
bearing from the table.
Cylinder block mark b
20 21 22 23 24 25 26
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
e
95
96
97
d
98
99
00
Upper bearing
color
d
Green
e
Green
f
Red
g
Red
h
Yellow
i
Yellow
NOTE:
• Example: If the crankshaft journal mark a
is "89" and the cylinder block mark b is
"28," then select the bearing colors in "g."
• Main bearing #3 is a thrust bearing.

Disassembling the oil pump

1. Remove the screws 1 and disassemble
the oil pump.
5-49
Power unit
c
c
S63P5850
27 28 29 30 31 32 33 34 35 36
i
h
g
f
Lower bearing
color
Green
Red
Red
Yellow
Yellow
Blue + green
37 38

Checking the oil pump

1. Check the gear teeth for cracks or wear
and the oil pump case for scratches.
Replace the oil pump assembly if neces-
sary.

Assembling the oil pump

1. Install a new oil seal into the oil pump
housing.
Needle bearing attachment 1:
Driver rod L3 2: 90890-06652
2. Apply grease to new oil seals, and then
install them into the oil pump housing.
90890-06654
63P3F11