Engine bottom end 8-5 – Kawasaki STX-15F User Manual
Page 225

ENGINE BOTTOM END 8-5
Specifications
Item
Standard
Service Limit
Crankshaft Main Journal Diameter:
40.984
∼
41.000 mm
(1.6135
∼
1.6142 in.)
40.96 mm
(1.613 in.)
Marking
None
40.984
∼
40.992 mm
(1.6135
∼
1.61385 in.)
– – –
1
40.993
∼
41.000 mm
(1.61389
∼
1.6142 in.)
– – –
Crankcase Main Bearing Bore Diameter:
44.000
∼
44.016 mm
(1.7323
∼
1.7329 in.)
– – –
Marking
○
44.000
∼
44.008 mm
(1.7323
∼
1.73259 in.)
– – –
None
44.009
∼
44.016 mm
(1.73263
∼
1.7329 in.)
– – –
Crankshaft Main Bearing Insert Thickness:
Brown
1.490
∼
1.494 mm
(0.05866
∼
0.05882 in.)
– – –
Black
1.494
∼
1.498 mm
(0.05882
∼
0.05898 in.)
– – –
Blue
1.498
∼
1.502 mm
(0.05898
∼
0.05913 in.)
– – –
Crankshaft Main Bearing Insert Selection
Bearing Insert*
Crankcase
Main Bearing
Bore Diameter
Marking
Crankshaft
Main Journal
Diameter
Marking
Size Color
Part Number
Journal Nos.
92139-3704
1, 5
92139-3713
3
○
1
Brown
92139-3707
2, 4
○
None
92139-3703
1, 5
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.