Kawasaki STX-15F - Manual (Page 224)

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.)