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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
runout
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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