Reference
If the standard-size bearing cannot
be
employed due to excessive wear of the crankpin and crank
journal, employ undersize or oversize bearings.
For
undersize or oversize bearing
use,
follow the precautions noted
below.
1.
3.3
to
3.7
mm
(0.1300
to
0.1457
in.)
2.
2.8
to
3.2
mm
(0.1102
to
0.1260
in.)
3.
Oil hole must
be
1 to
1.5
mm (0.0394
to
0.0591
in.).
Be
sure to chamfer the oil circumference with
an
oil stone.
Undersize and Oversize
4.
The crankpin must
be
fine-finished to higher than
1//////
(0.4-5).
5.
The crank journal must
be
fine-finished
to
higher than
//////1
(0.4-5).
6.
The crank journal side surface must
be
fine-finish to higher than
//////
(0.4-5). 5ee engine
specifications
(4)
(3)
(6)
147
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