32
Ill.
ENGINE
7.
Remove the crankshaft from
Lite
upper crankcase.
lnspeclion
I. Check the crankshaft for runouL Measurements
should
be made with a dial indicator
and
by
rotating the shaft
one
full
tum
Place the shaft in V hlocks
al
both
end
bearillll,S
and
measure
run
out at
A,
B.
C.
D,
F..
and
F.
Standard value: A,
B,
C, and O
0.02mm
(0.0008-in.)
max.
E and F 0.05mm
(0.0020-in.)
max.
Service limit:
A,
B,
C.and D
0.15mm
(0.00S9-in.)
2 Check the side clearance
of
Che
connecting rod big end.
Standard value: 0.07- 0.33mm
(0.0028-0.0130-in.)
Service limit:
0.6mm
(0.0236-in.)
A&5emhly
When installing the crankshafl,
be
sure
to
line
up
the
dowels(four) ill the crankcase sutlillcs in tt,e holes in the
bearings
To
facilitate this operation, each bearing has an
aligning mark. The dowel and hole
will
align when the mark is
0ush with the face
of
the
upper
crankcase.
Fig.
3-60
(I)
Cmnkshaft
,
..
Fig
.
3-61
Measuring crankshaft runout
Fig.
3-62
(I)
Connecting rod
(2)
Feeler
gauge
Fig
. 3-
63
(I)
Aligning mark
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