Operation Manual

BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
ENGINE
3TMABAB1 P081A
Oil Clearance between Crankshaft Journal and Crankshaft
Bearing 2 and Crankshaft Bearing 3
1. Put a strip of plastigage on the center of the journal.
2. Install the bearing case and tighten the bearing case screws 1 to
the specified torque, and remove the bearing case again.
3. Measure the amount of the flattening with the scale, and get the
oil clearance.
4. If the oil clearance exceeds the allowable limit, replace the
crankshaft bearing 2 (crankshaft bearing
3).
5. If the same size bearing is useless because of the crankshaft
journal wear, replace it with
an undersize one referring to the
table and figure .
• NOTE
• Be sure not to move the crankshaft while the bearing case
screws are tightened.
Oil clearance between
crankshaft journal and
Factory spec.
0.028 to 0.059 mm
0.00110 to 0.00232
in.
crankshaft bearing 2
(crankshaft bearing 3)
Allowable limit
0.20mm
0.0079 in.
I Crankshaft Journal 0.0.
(Flywheel side)
Crankshaft bearing 2
1.0.
Factory spec.
Factory spec.
43.934
to 43.950 mm
1.72968
to 1.73031 in.
43.978 to 43.993 mm
1.73142 to 1.73201 in.
W10344030
Crankshaft journal
0.0.
(Intermediate)
Factory spec.
43.934 to 43.950 mm
1.72968
to 1.73031 in.
Crankshaft bearing 3 1.0. Factory spec.
43.978 to 43.993 mm
1.73142 to 1.73201
in.
1-856