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Camshaft, Camshaft Cap Wear; Camshaft Runout; Cam Wear - Kawasaki ZR-7S Service Manual

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Camshaft, Camshaft Chain
ENGINE TOP END 3-17
Camshaft,
Camshaft
Cap Wear
.
Cut strips of plastigage to journal width.
Place a strip
on each journal parallel to the camshaft installed in the
correct position.
.
Measure each clearance between the camshaft journal
and the camshaft cap using plastigage (press gauge) [A].
.
Tighten:
Torque
-
Camshaft
Cap Bolts: 12 N.m (1.2 kgf.m, 104 in.lb)
Camshaft
Chain Guide Bolts: 11 N.m (1.1 kgf.m,
95 in.lb)
NOTE
o
Do not turn the
camshaft
when the plastigage is be-
tween the journal and camshaft cap.
Camshaft Journal, Camshaft Cap Clearance
Standard:
0.100 - 0.141 mm (0.0039 - 0.0056 in.)
Service Limit:
0.23 mm (0.009
in.)
*If any clearance exceeds the service limit, measure the
diameter of each camshaft journal with a micrometer.
Camshaft Journal Diameter
Standard:
21.94 - 21.96 mm (0.8638 - 0.8646 in.)
Service Limit:
21.91 mm (0.8626
in.)
*If the camshaft journal diameter is less than the service
limit, replace the camshaft with a new one and measure
the clearance again.
* If the clearance still remains out of the limit, replace the
cylinder head unit.
Camshaft Runout
.
Remove the camshaft.
.
Set the camshaft in a camshaft alignment jig or on V
blocks.
.
Measure runout with a dial gauge at the specified place
as shown.
*
If the runout exceeds the service limit, replace the shaft.
Camshaft
Runout
Service Limit:
TIR 0.1 mm (0.004 in.)
Cam Wear
.
Remove the camshaft.
. Measure the height [A] of each cam with a micrometer.
* If the cams are worn down past the service limit, replace
the camshaft.
Cam Height
GE030402S
1 C
GE110122S1
C
Standard:
Service Limit
Exhaust,
36.245 - 36.353 mm
36.15 mm
Inlet
(1.4270 - 1.4312 in.)
(1.423 in.)

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