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Kawasaki KZ1300-A1 Quick Reference Manual Page 171

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MAINTENANCE--ENGINE
-After
adjustment, measure the service fuel level again,
Table H8
Cam Hei'ght
and readjust if necessary.
CAMSHAFTS
Valve Timing
INLET OPEN
20
0
BTOC
TOC
BOC
Cam
wear
Remove the camshafts,
and
measure the height of
each cam with a micrometer. If the cams are worn down
past the service limit, replace the camshafts.
Cam Height Measurement
Cam Height
Inlet
Exhaust
Service Limit
36.10 mm
35.60
mm
Journa/, bearing
wear
The journal wear is measured using plastigauge (press
gauge), which is inserted into the clearance to be mea-
sured.
The plastigauge indicates the clearance by the
amount
it
is compressed and widened when the
parts
are
assembled.
NOTE:
Measure the camshaft
journal
to camshaft cap
clearance while the cylinder head is off the engine and
all the valves are removed, or in accordance with the
following procedure.
Remove
the cylinder head cover and remove half
of the camshaft caps {which have odd numbers or even
numbers} at a time, and wipe each journal and camshaft
cap surface clean of oil. Cut strips
of
plastigauge to
journal width.
Place
a strip on each
journal
parallel
to the camshaft and so that the plastigauge will be
compressed between the journal and camshaft cap.
Tighten the camshaft cap bolts to the specified torque
{Pg. 37}.
Next, remove the camshaft cap again, and measure
the plastigauge width to determine the clearance
be-
tween each journal and the camshaft cap.
Measure the remaining clearances as explained above.
If
any clearance exceeds the service limit, measure
the diameter of the camshaft
journal.
If camshaft re-
placement does not bring the journal clearance within
the service limit, replace the cylinder head and camshaft
caps.
A. Plastigauge
Table H9
Camshaft Journal/Camshaft Cap Clearance
Service Limit
0.19 mm
Measure the diameter of each camshaft journal with
a micrometer. If the
diameter
of any journal
is
less than
the service limit, replace the
camshaft.
171

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