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Connecting Rod Big End Bearing - Kawasaki ZR-7S Service Manual

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Crankshaft/Connecting
Rod
CRANKSHAFTITRANSMISSION 7-15
Connecting Rod Big End Bearing Insert/Crankpin
Wear
.Insert a strip of Plastigage [A]to measure the clearance
between the bearing and the crankpin [8].
NOTE
o Tighten the connecting rodbig end cap nuts to the spec-
ified torque [36 N.m (3.7 kgf.m, 27 ft.lb)].
o Do not move the connecting rod while measuring the
clearance.
Connecting Rod Big End Bearing InsertlCrankpin
Clearance
Standard:
0.036 - 0.066 mm (0.0014 - 0.0026 in.)
Service Limit:
0.10 mm ( 0.0039 in.)
*If the clearance is withinthe standard, no bearing replace-
ment is required.
*If the clearance is between 0.067 mm and the service
limit, replace the bearing with bearing painted blue [A],
and remeasure the clearance. The clearance may ex-
ceed the upper limitslightly, but it must not be less than
the minimum in order to avoid bearing seizure.
*If the clearance exceeds the service limit, measure the
diameter of the crankpins.
Crankpin Diameter
Standard:
34.984- 35.000mm (1.3773- 1.3780in.)
Service Limit: 34.97 mm (1.3768in.)
*
Ifany crankpin has worn past the service limit,replace the
crankshaft with a new one.
* If the measured crankpin diameters are within the ser-
vice limit, but have worn to the extent that they do not
coincide withthe original diameter markings on the crank-
shaft, make new marks.
Crankpin Diameter Marks
None:
34.984
- 34.994
mm (1.3773- 1.3777in.)
0:
34.995- 35.000mm(1.3778 - 1.3780in.)
#1
#2
G1050417S1
C
#3
#4
GI 05042211 1 C

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