Yamaha F150A Service Manual page 298

J5 J4 J3
2. Select the suitable colors "1" for the
crankshaft journal bearing from the
"Crankshaft journal bearing selection
table".
J1/J2/ Upper bearing
J4/J5 color
"a" Green
"b" Green
"c" Red
"d' Red
"e" Yellow
"f" Yellow
Upper bearing
J3
color
"a" Green
"b" Green
"c" Red
"d' Red
"e" Yellow
"f" Yellow
Example:
If the crankshaft journal mark is "81" and the
cylinder block mark is "30", select the bearing
colors in "e".
J2 J1 b
1
1
Lower bearing
color
Green
Red
Red
Yellow
Yellow
Blue
Lower bearing
color
Brown
Green
Green
Red
Red
Yellow
7-73
20 21 29 30
80
81
82
Crankcase
31 32 33
e
10
0
1
2
3
4
5
6
7
8
9
A