Kawasaki STX-15F 用户手册
ENGINE BOTTOM END 8-25
Crankshaft and Connecting Rods
•
Measure the main bearing bore diameter, and mark [B]
the upper crankcase half [A] in accordance with the bore
diameter.
the upper crankcase half [A] in accordance with the bore
diameter.
○
Crankcase main bearing bore diameter marks are "
○
"
mark and no mark.
NOTE
○
Tighten the crankcase bolts to the specified torque (see
Crankcase Assembly).
Crankcase Assembly).
○
The mark already on the upper crankcase half should
almost coincide with the measurement.
almost coincide with the measurement.
Crankcase Main Bearing Bore Diameter Marks
○
44.000
∼
44.008 mm (1.7323
∼
1.73259 in.)
None
44.009
∼
44.016 mm (1.73263
∼
1.7329 in.)
Marking Position
•
Select the proper bearing insert in accordance with the
combination coding of the crankcase and crankshaft.
combination coding of the crankcase and crankshaft.
•
Install the new inserts in the crankcase halves and check
insert/journal clearance with the plastigage.
insert/journal clearance with the plastigage.
Bearing Insert*
Crankcase Main
Bearing Bore
Diameter Marking
Crankshaft Main
Journal Diameter
Marking
Size Color
Part Number
Journal No.
92139-3704
1, 5
92139-3713
3
○
1
Brown
92139-3707
2, 4
92139-3703
1, 5
○
None
92139-3712
3
None
1
Black
92139-3706
2, 4
92139-3702
1, 5
92139-3711
3
None
None
Blue
92139-3705
2, 4
*The bearing inserts for Nos. 2 and 4 journals have an oil groove, respectively.