POWERHEAD
CYLINDER/CRANKCASE/PISTON ASSEMBLY
Measure the crankshaft journal oil clearance
as
follows:
• Clean
surface of the bearing holder (crankcase
and cylinder), bearing,
and
crankshaft bearing
journal.
004591
• Install crankshaft
main
bearing to cylinder
and
crankcase.
IMPORTANT: Reassemble each bearing
in
its
original position. Align the tab of bearing with
notch
in
cylinder
and
crankcase.
Do
not apply
oil
to
bearing.
1. Notch
004592
162
• Install crankshaft
to
cylinder.
• Place
a piece of Plastigage across full width of
bearing (parallel
to
crankshaft)
on
journal.
Do
not place Plastigage over oil hole.
1.
Pla
stigage 004593
• Install crankcase (with the bearing) to cylinder.
• Apply
engine oil
to
crankcase screws
and
tighten
to
specification following the pattern
shown:
Main bearing screws, 216
in
.
Ibs.
(25 N·m).
Flange
screws,
120
in.
Ibs.
(14 N·m).
IMPORTANT:
Do
not rotate crankshaft while
Plastigage
is
installed.
Crankcase screw torque pattern 004594
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