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Kawasaki KZ1300-A1 Quick Reference Manual Page 167

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MAINTENANCE--ENGINE
eTo
open the valve, connect the yellow and the blue
leads to the battery + terminal, and d isconnect the
blue lead
.
Then disconnect the yellow lead to simulate
engine
stopping.
At this time the valve should close
about 1 second later (Table
H4).
eDisconnect
all leads from the battery terminals.
elf
anyone of above checks shows a faulty operation,
replace the solenoid fuel valve
.
Table H4
Simulation Test of Engine Stopping
Connections*
Fuel Valve
First
Yellow
'"
Battery
+
Opens
Second
Yellow
'"
Disconnected
Closes about 1
(Open)
second later
*1. Connect the black lead to the battery
-
terminal,
and the brown lead to the battery + terminal.
2. Connect and then disconnect the blue lead to the
battery + terminal to open the
valve.
Carburetors
1. Diaphragm
2.
First Idle Cam
3
.
Pulley
4.
Throttle Shaft
5.
Synchronization
Adjusting Screw
6.
Choke Lever
7.
Coasting
Enricher
CARBURETORS
The
carburetor is
a
two-throat type, and
has
two
bores to
supply fuel
and air mixture
for
two cylinders.
Each bore has its own main
and
pilot
systems, and
the
carburetor has two sets of parts
for these systems. The
two bores have
starter
and
float systems in common,
so the carburetor
has only one
set
of these
components.
The
carburetor
is
essentially a
CV (constant velocity)
type. The
vacuum
pistons
are
attached to
the
diaphragm
and
rise only between
Y4
and
%
throttle
.
Through the
hole
in
the
bottom of
the
piston,
the air
pressure
in
the
chamber
above
the
diaphragm is reduced by
engine intake
vacuum
.
The air
vent maintains
atmospheric
pressure
in the
chamber under
the
diaphragm
.
As
engine speed
increases, air
pressure
in the
upper
chamber
decreases.
The different between this pressure
and
atmospheric
pressure in
the
lower
chamber
becomes greater.
The
force
of
the spring and the
weight of
the
pistons
are
overcome, and
the
pistons
rise to
an
extent corresponding
8. Vacuum Piston
12. Drain Plug
9.
Pilot Air Jet
13. Float
10. Main Air Jet
14. Idle Adjusting Screw
11. Main Jet
15.
Fuel
Hose Joint
167

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