Yamaha F100B Service Manual

POWR
Power unit
5-47
60C5D11
8. Remove the crankcase and measure the
width of the compressed Plastigauge
(PG-1) on each main journal. Replace
the main bearing if out of specification.
Selecting the crankshaft main
journal bearing
1. When replacing the main bearing, select
the suitable bearing as follows.
2. Check the crankshaft journal mark on the
crankshaft
1
and the cylinder body mark
on the cylinder body
2
.
3. Select the suitable color
a
for the main
bearing from the table.
4. Subtract crankshaft journal diameters
#1–#5 from cylinder body journal diame-
ters #1–#5.
NOTE:
Cylinder body journal diameters (#1–#5) and
crankshaft journal diameters (#1–#5) can be
determined by the stamped value as
described below.
Crankshaft journal diameter = 47.900 +
(stamped value/1,000)
Example: #1 = 92
→
47.992
Cylinder body journal diameter = 54.000 +
(stamped value/1,000)
Example: #1 = 32
→
54.032
T
R
.
.
Crankcase bolt (M10):
1st: 19 N·m (1.9 kgf·m, 14 ft·lb)
2nd: 60°
Crankcase bolt (M8):
1st: 14 N·m (1.4 kgf·m, 10 ft·lb)
2nd: 28 N·m (2.8 kgf·m, 20 ft·lb)
Crankshaft main journal oil
clearance:
0.024–0.044 mm
(0.0010–0.0017 in)
(#1) (#2) (#3)
(#4)
(#5)
S60C5A40
#1
#2
#3
#4
#5
S60C5A50
S60C5A60

Yamaha F100B Specifications

General

Brand	Yamaha
Model	F100B
Category	Outboard Motor
Language	English