Operation Manual

BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
ENGINE
Oil Clearance between Crankshaft Journal and Crankshaft
Bearing 1
1.
Measure the
0.0.
of the crankshaft front journal with
an
outside
micrometer.
2.
Measure the
1.0.
of the crankshaft bearing 1 with
an
inside
micrometer,
and
calculate the oil clearance.
3.
If the oil clearance exceeds the allowable limit, replace the
crankshaft bearing
1.
4.
If the same size bearing
is
useless because of the crankshaft
journal wear, replace it with
an
undersize one referring
to
the
table
and
the figure.
Oil Clearance between
Factory spec.
0.034 to 0.106 mm
0.00134 to 0.00417 in.
crankshaft journal and
crankshaft bearing 1
Allowable limit
0.20mm
0.0079 in.
Crankshaft journal
0.0.
43.934 to 43.950 mm
1.72968 to 1.73031 in.
Crankshaft bearing 1
1.0.
Factory spec.
43.984 to 44.040 mm
1.73165 to 1.73386 in.
W10323470
1-S54