Kawasaki STX-15F service manual Marking Position

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.

○Crankcase main bearing bore diameter marks are "○" mark and no mark.

NOTE

○Tighten the crankcase bolts to the specified torque (see Crankcase Assembly).

○The mark already on the upper crankcase half should 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.

•Install the new inserts in the crankcase halves and check insert/journal clearance with the plastigage.

Crankcase Main	Crankshaft Main		Bearing Insert*
Bearing Bore	Journal Diameter
		Size Color	Part Number	Journal No.
Diameter Marking	Marking
○			92139-3704	1, 5
	1	Brown	92139-3713	3
			92139-3707	2, 4
○	None		92139-3703	1, 5
		Black	92139-3712	3
None	1		92139-3706	2, 4
			92139-3702	1, 5
None	None	Blue	92139-3711	3
			92139-3705	2, 4

*The bearing inserts for Nos. 2 and 4 journals have an oil groove, respectively.