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Crankshaft Main Journal/bearing Insert Wear - Kawasaki ZR-7S Service Manual

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7-16 CRANKSHAFTfTRANSMISSION
Crankshaft/Connecting
Rod
.
Measure the inside diameter of the connecting rod big
ends, and mark them in accordance with the inside di-
ameter.
0: Crank pin Diameter mark (around weight classifica-
tion mark) [A]:11011 or no mark
NOTE
o Tighten the connecting rod big end cap nuts to the spec-
ified torque [36 N.m (3.7 kgf.m, 27 ft.lb)).
o The mark indicated on the connecting rod should be
practically no different from the measurement.
Connecting Rod Big End Inside Diameter Marks
None:
38.000- 38.008mm (1.4961- 1.4964in.)
0:
38.009- 38.016mm (1.4964- 1.4967in.)
.
Select the proper bearing insert [A]in accordance with the
combination of the connecting rod and crankshaft mark-
ings.
Size Color [8]
.Install a new inserts in the connecting rod and measure
the clearance between the inserts and the crankpin.
Crankshaft Main Journal/Bearing Insert Wear
. Using a strip of Plastigage (press gauge) [A],measure the
clearance between the journal [8] and the bearing insert.
NOTE
o Tighten the crankcase bolts to the specified torque [M8:
25 N.m (2.5 kgf.m, 18 ft.lb), M6: 12 N.m (1.2 kgf.m, 104
in.lb)).
o Do not move the crankshaft during clearance measure-
ment.
OJournal clearance less than 0.025 mm can not be mea-
sured
by
plastigauge, however, using genuine parts
maintains the minimum standard clearance.
Crankshaft Main Journal/Bearing Insert Clearance
Standard:
0.020 mm
- 0.044
mm
(0.0008 - 0.0017 in.)
Service Limit: 0.08 mm (0.0032 in.)
*
If clearance is within the standard, no bearing replace-
ment is required.
GI050417S1
C
Connecting
Bearing Insert
Rod Big End
Crankpin
Thickness
Diameter
Inside Diameter
Marking
Mark
Marking
(Size Color)
Part Number
0
None
Blue
92028-1920
0
0
Black
92028-1921
None
None
None
0
Brown
92028-1922

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