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Kawasaki KZ1300-A1 Quick Reference Manual Page 19

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ADJUSTMENT --ENGINE
-Perform idling adjustment (Pg. 18).
-Stop the engine.
-Remove the fuel tank (Pg. 46), and supply fuel for the
carburetors by some means during adjustment.
-For US model, unscrew the vacuum plugs (4) from the
#1,
#2,
#5,
and
#f>
manifolds, and pull off the vacuum
hoses (2) from the
#3
and
#4
manifolds sliding the
hose clamps out of position.
-Except for US model, unscrew the vacuum plugs (6)
from each
manifolds.
-Screw the
vacuum
gauge adapter (special tool) into
each vacuum plug hole, and connect the vacuum gauge
hoses to the adapters (6, 4 for US model) and vacuum
hose fittings (2 only for US model).
A. Vacuum Gauge Adapter (57001-401)
B. Fitting
C. Vacuum Plug
-Completely close the vacuum gauge damper valves, and
then start the engine.
-With the engine running at idle speed, slowly open each
damper valve until gauge needle flutter is less than 3
cmHg, and note the gauge readings.
-Calculate three averages of each two combined carbu-
retors, i.e., #1 and
#2,
#3 and
#4,
and
#5 and
#f>.
If there
is
a difference of more than the specified value
between any two avarages, synchronize the carburetors
according to the following procedure.
Table B5
Vacuum Difference
Difference between Two Averages
under 2 cmHg
A. Damper Valve
B. Vacuum Gauge (57001-226)
To synchronize carburetors:
-Stop the engine.
-Loosen the locknuts (3) of
the
balance adjusting
screws.
-Turn each adjusting screw in until it seats lightly, and
then back it out 1112 turns.
NOTE: Carburetor synchronization should be adjusted
by turning the balance adjusting screws within the range
between 112 '" 2112 turned back position. If the adjusting
screws are turned in exceeding the range, the operation
of the link mechanism may become stiff. If the adjust-
ing screws are turned out exceeding the range, the link
mechanism may have play.
-Start the engine and adjust
idle
speed, use the balance
adjuster (special
tool)
to alter the balance adjusting
screw position.
Adjust to a difference
in readings
which is less than the specified value.
A. Balance Adjusting Screw
B. Locknut
C. Balance Adjuster (57001-1034)
NOTE: There is only one adjusting screw to control
both butterfly valves of each 2-throat
carburetor.
Nor-
mally there will be little or no difference between the
vacuum of each throat passage.
-Perform idle speed adjustment again
.
-Check that the mechanism moves smoothly without
binding. Open the throttle grip and let it snap shut a
few times. Make sure the vacuum readings stay within
the specified vacuum reading. If they do not,
the
ad-
justing screws may be out of the adjusting range (112 '"
2112 turned back position).
-If any gauge reading is below 14 cmHg after synchro-
nizing the carburetors, recheck the points
listed
in the
end of the Idling Adjustment (Pg. 18).
-After the carburetors are properly synchronized, tight-
en the locknuts without changing the positions of the
screws.
-Detach the vacuum gauges, install
the
vacuum plugs
and their washers (4 ea). Connect the vacuum hoses
(2) to the fittings. Slide the hose clamps back into
place.
eG1eck the operation of the fast idle speed, and adjust
if necessary (Pg. 50).
-Install the fuel tank (Pg. 46).
19

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