Service manual

POWR
Power unit
5-47
63P3F11
4. Select the suitable color
c
for the con-
necting rod bearing from the table.
NOTE:
• Example: If the connecting rod big end
inside diameter
a
is “35” and the crankpin
mark
b
is “81,” then select the bearing col-
ors in “
g
.”
• If the connecting rod inside diameter can-
not be measured, measure the crankpin oil
clearance using Plastigauge (PG-1) and
select the suitable combination of upper
and lower bearings from the table above so
that the oil clearance is within specification.
Checking the crankshaft main
journal oil clearance
1. Clean the bearings, main journals, and
bearing portions of the crankcase and
cylinder block.
2. Place the cylinder block upside down on
a bench.
3. Install half of the bearings
1
and the
crankshaft
2
into the cylinder block
3
.
NOTE:
Install the main bearings in their original posi-
tions.
4. Put a piece of Plastigauge (PG-1) on
each main journal parallel to the crank-
shaft.
Connecting rod big end inside
diameter
a
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
Crankpin mark
b
80
81
h
82
83
84
g
85
86
87
88
89
f
90
91
92
93
94
e
95
96
97
98
d
99
00
Upper bearing
color
Lower bearing
color
d
Green Green
e
Green Blue
f
Blue Blue
g
Blue Red
h
Red Red
S63P5800
c
c