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ENG
CAUTION:
@
Do not interchange the crankshaft journal
bearings. To obtain the correct crankshaft-
journal-to-crankshaft-journal-bearing clear-
ance and prevent engine damage, the
crankshaft journal bearings must be
installed in their original positions.
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a. Clean the crankshaft journal bearings,
crankshaft journals, and bearing portions of
the crankcase.
b. Place the upper crankcase upside down on
a bench.
c. Install the crankshaft journal upper bearings
1
and the crankshaft into the upper crank-
case.
NOTE:
@
Align the projections
a
of the crankshaft jour-
nal upper bearings with the notches
b
in the
upper crankcase.
d. Put a piece of Plastigauge
®
2
on each
crankshaft journal.
NOTE:
@
Do not put the Plastigauge
®
over the oil hole in
the crankshaft journal.
e. Install the crankshaft journal lower bearings
into the lower crankcase and assemble the
crankcase halves.
NOTE:
@
• Align the projections
a
of the crankshaft
journal lower bearings with the notches
b
in
the lower crankcase.
• Do not move the crankshaft until the clear-
ance measurement has been completed.
f. Tighten the bolts to specification in the tight-
ening sequence cast on the crankcase.
Refer to “ASSEMBLING THE CRANK-
CASE— CRANKCASE”.
g. Remove the lower crankcase and the crank-
shaft journal lower bearings.
222221221
CRANKSHAFT