Yamaha F75F - Selecting the Crankshaft Journal Bearing

Crankcase
7-58
h. Remove the crankcase, and then
measure the width of the compressed
Plastigauge (PG-1) on each crank-
shaft journal.
Selecting the crankshaft journal bear-
ing
When replacing the crankshaft journal bearing,
select the bearing as follows:
1. Select:
• Crankshaft journal bearing
a. Remove the crankshaft journal bear-
ings.
b. Check the mark “a” on the crank web
and
the mark “b” on the cylinder block.
c. Select the suitable colors “1” for the
crankshaft journal bearing from
the
“Crankshaft journal bearing selection
table” (7-60).
Crankcase bolt (M10) “2” [1]–[10]
1st: 16 N·m (1.6 kgf·m, 12 lb·ft)
2nd: 60
Crankcase bolt (M8) “3” [11]–[20]
1st: 14 N·m (1.4 kgf·m, 10 lb·ft)
2nd: 28 N·m (2.8 kgf·m, 21 lb·ft)
[9]
[19]
[5]
[15]
[1]
[11]
[4]
[14]
[18]
[8]
[10]
[20]
[6]
[16]
[2]
[12]
[3]
[13]
[17]
[7]
2
3
a
60°
T
R
.
.
P
J
J1
J2
J3
J4
J5
a
J1 J2 J3 J4 J5
J5J4J3J2J1
b
1
1