5.1
ENGINE BODY
68
mm
STROKE
SERIES
WSM,
01 164
A1
1
liFnl7
0
BQ83FO51
Main Bearing Case Assembly
1.
Remove the two bearing case screws
1
(4),
and
remove the main bearing case assembly
1
(3),
being careful with the thrust bearing
(2)
and
crankshaft bearing
2.
2.
Remove the main bearing case assemblies
2,3.
(When reassembling)
0
Clean the oil passage
in
the main bearing case.
Apply clean engine oil on the crankshaft bearing
2
and thrust bearings.
0
Install the main bearing case assemblies
in
the
original positions. Since diameters
of
main
bearing cases vary, install them
in
order of
makings
(1,2)
from the gear case side.
0
When installing the main bearing case assemblies
2,3,
face the mark "FLYWHEEL" to the flywheel.
0
Be sure to install the thrust bearing
with
its
oil
groove facing outward.
(1)
Main Bearing Case Assembly
2
(2)
Thrust Bearing
(3)
Main Bearing Case Assembly
1
(4) Bearing Case Screw
1
S-8
1
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