REMOVING MAIN BEARING
CASE
1.
Remove the two mounting bolts for main bearing case assembly
2.
Detach the main bearing
case,
being careful with the side and crankshaft bearings.
3.
Detach the other bearing cases 2
and
3
in
the same method.
Be
careful not
to
mix them
up.
NOTE
FOR
REASSEMBLIING: Clean the oil holes
in
the main bearing
case.
Install the main
bearing case with their side marks toward the
flywheel.
Be
sure
to
install main bearing 1 with its
oil grove facing outward. Tighten the bearing case bolts 1
to
2
to
24
Nm
(2.0
to
2.4
kgfOm,
15
to
17
ft-Ibs).
1.
Main Bearing Case Assembly 1
2. Main Bearing Case
Assembly 2
3.
Main Bearing Case Assembly 3
4.
Bearing Case Bolt 1
REMOVING CYLINDER LINER
(See
illustration
on
page
125)
1.
Grind the cylinder head mounting surface with
an
oil grinding
stone.
2.
Set a dry liner centering base and adaptor
on
the frame head
3.
Set the dry liner centering
base.
4.
Set the bearing cradle
to
the dry liner centering base with the bearing
on
top.
5.
Insert the pulling-out adaptor coupling and fix the center bolt.
6.
Contact the pUlling-out adaptor with the bottom of the liner from the bottom of the crankcase.
7.
Pull out the liner
by
turning the nut with a ratchet handle.
NOTE
FOR
REASSEMBLING: Clean the frame
holl3s
and oil where the liner fits. Clean the sur-
face of the liner
and
apply oil. Insert the liner with its most-chamfered end downed. After installa-
tion, insert a feeler gauge through the check window
on
the bottom of the liner centering base and
check
to
see
the liner has been properly pressed
in.
Tolerance: Liner projection
(±0.001O
in).
Hone
the
cylinder
liner.
1.2
u R max
to
2 u R max.
124
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