Service manual
Table Of Contents
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Nominal
Item
dimension
Clearance
on
crankshaft
journal
(in
two direc-
65
(2.559)
tions
at
right
angles
10
each
other with bear-
ing in place)
Thrust clearance
3.7
(0.1457)
Inside diameter
22
(0.87)
Fit
on
tappets
Fit
on
camshaft
No.1
journals
54 (2.126)
No.2
No.3
53 (2.087)
Unit:
mm
(in.)
Assembly
standard
Repair limit
Service limit
Remedy
Remarks
[Standard
clearance I
[Clearance I
[Clearance I
[ 0.20 )
Replace bearing if repair
1) Replace crankcase and
(0.0079)
-0.9
(-0.035)
limit
is
reached.
bearing cap
as
an assembly.
Regrind crankshaft
0.Q35-0.100
(at crankshaft
journals and use under-
2)
Upper bearing shells have
[(0.00138~0.00394
)1
journal
aD)
size bearings 0.25
oil groove.
(0.0098), 0.50 (0.0197)
/1--[\
or 0.75 (0.0295)
if
service limit
is
reached.
0
E9rH
I---
\
'-
[
0.1-0.189
1
(0.004
~0.00744)
[ 0.30 1
(0.0118)
Replace thrust bearing.
+8.033
tg·
OO13O
)
+0.10
(+0.0039)
+0.10 (0.0039)
0.035
~
0.098
[ 0.12 I
Replace tappet if
[(0.00138
~
0.00386)1
(0.0047)
(at tappet hole
repair limit
is
reached.
dia.)
With bushings
Rebore holes and insert
0.040
~0.090
[ 0.15 )
bushings if repair limit
[(0.00157
~0.00354)1
(0.0059)
is
reached.
Without bushings
[
0.06
~0.1l
(0.0024
~0.0043)1