Yamaha F150A Service Manual page 294

Upper bearing
color
"a" Green
"b" Green
"c" Blue
"d' Blue
"e" Red
Example:
If the connecting rod big end inside diameter
is "35" and the crankpin mark is "81", select
the bearing colors in "d". The upper bearing
color is blue and the lower bearing color is
red.
25 26
80
81
82
1
1
Lower bearing
color
Green
Blue
Blue
Red
Red
34 35 36 37
d
7-69
Crankcase
0
1
2
3
4
5
6
7
8
9
10
A