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CRANKSHAFT AND BALANCER SHAFT
d. Put a piece
of
Plastigauge®
"1"
on
each
crankshaft
journal.
TIP
~~~~~~~~~~~~~~
Do
not
put
the
Plastigauge® over
the
oil
hole
in
the crankshaft journal.
!(.
e. Install the crankshaft
journal
lower
bearings
" 1" into the
lower crankcase and assemble
the
crankcase halves.
TIP
~~~~~~~~~~~~~~-
•
Align the projections
"a" of
the
crankshaft jour-
nal
lower bearings with
the notches
"b" in
the
lower
crankcase.
•
Do
not move the crankshaft
until
the
clearance
measurement
has been
completed.
f.
Tighten
the
bolts
to specification
in the
tight-
ening sequence cast on
the
crankcase.
Refer
to "CRANKCASE"
on page
5-56.
g.
Remove the
lower crankcase and
the
crank-
shaft
journal
lower
bearings.
h.
Measure the
compressed
Plastigauge®
w
idth "a"
on each crankshaft
journal.
If the
crankshaft-journal-to-crankshaft-jour-
nal-bearing
clearance is
out
of specification,
select replacement crankshaft journal
bear-
ings.
••••••••••••••••••••••••••••••••
4.
Select:
•
Crankshaft journal
bearings (J
1
-J
4 )
TIP
~~~~~~~~~~~~~~-
•
The numbers "A"
stamped into
the
crankshaft
web and
the
numbers "B" stamped
into the
lower
crankcase are
used to determine the
re-
placement crankshaft
journal
bearing
sizes.
•
"J
1
"-
"J
4 "
refer to the bearings
shown in
the
crankshaft
and
lower
crankcase
illustration.
•If
"J
1
"-
"J
4
"
are
the
same, use
the
same size
for
all
of
the bearings.
For
example, if the
crankcase
"Ji"
and
crank-
shaft
web
"Ji"
numbers are 7
and 2
respec-
tively, then
the
bearing
size
for
"J
1
"
is:
"J
1
"
(crankcase)
-
"J
1 "
(crankshaft
web)
-1
= 7
-
2
-
1 = 4
(green)
Bearing color
code
O.Wh
ite 1.Blue
2.Black 3.Brown
4.Green
5-72
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