Kawasaki STX-15F Jet Ski User Manual


 
8-4 ENGINE BOTTOM END
Specifications
Item Standard Service Limit
Crankshaft, Connecting Rods
Connecting Rod Bend
–––
0.2/100 mm
(0.008/3.94 in.)
Connecting Rod Twist
–––
0.2/100 mm
(0.008/3.94 in.)
Connecting Rod Big End Side Clearance 0.13 0.38 mm
(0.0051 0.0150 in.)
0.58 mm
(0.023 in.)
Connecting Rod Big end Bearing
Insert/crankpin Clearance
0.041 0.071 mm
(0.0016 0.0028 in.)
0.11 mm
(0.0043 in.)
Crankpin Diameter:
38.984 39.000 mm
(1.5348 1.5354 in.)
38.97 mm
(1.534 in.)
Marking:
None 38.984 38.992 mm
(1.5348 1.5351 in.)
–––
38.993 39.000 mm
(1.5352 1.5354 in.)
–––
Connecting Rod Big End Bore Diameter: 42.000 42.016 mm
(1.6535 1.6542 in.)
–––
Marking
None 42.000 42.008 mm
(1.6535 1.65386 in.)
–––
42.009 42.016 mm
(1.65389 1.6542 in.)
–––
Connecting Rod Big End Bearing Insert
Thickness:
Brown 1.475 1.480 mm
(0.05807 0.05827 in.)
–––
Black 1.480 1.485 mm
(0.05827 0.05846 in.)
–––
Blue 1.485 1.490 mm
(0.05846 0.05866 in.)
–––
Connecting Rod Big End Bearing Insert Selection
Bearing Insert
Con-rod Big
End Bore
Diameter
Marking
Crankpin
Diameter
Marking
Size Color Part Number
None
Brown 92139-3710
None None
Black 92139-3709
None Blue 92139-3708
Crankshaft Side Clearance 0.05 0.24 mm
(0.0020 0.0094 in.)
0.44 mm
(0.017 in.)
Crankshaft Runout TIR 0.03 mm (0.0012 in.) or less TIR 0.07 mm
(0.0028 in.)
Crankshaft Main Bearing Insert/journal
Clearance
0.030 0.054 mm
(0.0012 0.0021 in.)
0.08 mm
(0.0032 in.)