S.l
ENGINE
BODY
68 rnrn STROKE
SERIES
WSM,
01 160
39.734 to 39.750
rnrn
1.56433 to 1.56496 in.
1.8
to
2.2
mm radius
0.071 to0.087 in. radius
39.534 to 39.550 rnm
1.55646 to 1.55709 in.
1.8
to
2.2
mrn
radius
0.071 to 0.087 in. radius
B
C
L
007
1
F003
The crankshaft journal must be fine-finished to higher than
CO
19F058
'
Crankshaft bearing
1
I.D.
w
Factory 39.984 to 40.040 mm
spec. 1.57418to 1.57638 in.
\-
C019F059
0.2 rnrn
0.008
in.
04mm
0.01
6 in.
Oil Clearance between Crankshaft Journal and
15861-2391 1 020 US
Crankshaft
bearing1
02
Crankshaft
bearing1 04
15861-23921
040US
Crankshaft Bearing
1
0.008 in.
5
mm dia.
0.20 in. dia.
A
1.
Measure the
I.D.
of the crankshaft bearing
1
with
an inside micrometer.
2.
Measure the
O.D.
of the crankshaft front journal
with
an
outside micrometer, and calculate the oil
clearance.
3.
If
the oil clearance exceeds the allowable limit,
replace the crankshaft bearing
1.
4.
If
the same
size
bearing
is
useless because of the
crankshaft journal wear, replace
it
with an
undersize one referring to the table.
0.01 6 in.
5 mm dia.
0.20 in. dia.
Factory 0.034 to 0.106 mrn
between crank shaft 0.00134to0.00417 in.
Oil clearance
journal and
crankshaft
limit 0.0079 in.
I
I
t
I
1
I
I
39.934to 39.950 mm
1.57221 to 1.57284 in.
Crankshaft journal
I
O.D.
(Reference)
Undersize crank shaft bearing
1
Undersize
I
Bearing
I
CodeNurnber
1
Marking
Undersize dimensions
of
crank
shaft
journal
0.2mm
I
0.4
mm
I
BOB3F058
0 to 0.3
rnrn
(0 t00.012 in.)
1
(1)
Seam (2) Crankshaft Bearing 1
Replacing Crankshaft Bearing
1
(When removing)
1.
Using
a
crankshaft bearing
1
replacing tool (see
page
5-53),
press out the used crankshaft bearing.
(When installing)
1.
Clean
a
new crankshaft bearing
1
and crankshaft
journal, and apply engine oil to them.
2.
Using
a
crankshaft bearing
1
replacing tool, press
in
a
new bearing
1
(2)
so
that
its
seam
(1)
directs
toward the exhaust side
in
the cylinder block. (See
figure)
S-107