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Kawasaki KZ1300-A1 Quick Reference Manual Page 270

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APPENDIX
ADDITIONAL CONSIDERATIONS
FOR RACING
This motorcycle has been manufactured
for use in
a reasonable
and prudent manner and as
a vehicle
only.
However,
some
may
wish to subject this
motorcycle
to
abnormal
operation, such
as
would be
experienced
under
racing
conditions.
KAWASAKI STRONGLY RECOM-
MENDS THAT ALL RIDERS RIDE SAFELY AND
OBEY ALL LAWS AND REGULATIONS CONCERN-
ING THEIR MOTORCYCLE AND ITS OPERATION
.
Racing should be done under supervised conditions,
and recognized
sanctioning bodies
should
be
contacted
for further
details. For
those who
desire
to
participate
in
competitive racing or related use, the
following
technical information
may
prove useful.
However,
please note the
following important
points.
eYou
are entirely
responsible for the use of
your
motor-
cycle
under abnormal conditions
such as
racing,
and
Kawasaki
shall not be liable for
any
damages which
might arise from such use.
eKawasaki's Limited Motorcycle Warranty
and
Limited
Emission Control Systems Warranty specifically
ex-
clude motorcycles
which are
used in competitive or
related
uses.
Please
read
the warranty carefully.
eMotorcycie
racing is a
very
sophisticated
sport, subject
to many
variables.
The following
information is
theoretical only,
and
Kawasaki shall not be liable for
any
damages which might
arise from
alterations utili-
zing this
information.
eWhen
the motorcycle is operated on public
roads, it
must be in its original state in order to ensure safety
and
compliance with applicable emission
regulations.
Carburetors
Sometimes an alteration may be desirable
for
im-
proved performance under special conditions
when
proper mixture is not obtained
after
the
carburetor
has
been properly adjusted
,
and
all parts
cleaned and found
to be functioning properl
y.
A
certain amount
of adjustment can be made
by
changing the position of the needle.
There
are five
grooves
at
the top of the needle. Changing the position
of the clip to a groove closer
to
the bottom raises the
needle,
wh
ich makes the mix ture richer at
a
given posi-
tion of the throttle
valve.
Jet Needle
Grooves
NOTE:
The last digit
of
the jet needle number (for
example
:
"3" of 5P2-3 or 5P3-3)
is
not stamped on the
needle, but
is
the number of the standard groove in
wh ich
the
cl
ip is
set.
The
groove
numbers are counted
from the top of
the
needle,
1 being the topmost
groove,
and
5 being the lowest groove.
If the
engine
still exhibits
symptoms
of overl
y
lean
carburetion
after all maintenance
and adjustments are
correctly performed, the main
jet can
be
replaced
with
a larger one. A larger numbered
jet
gives a
richer
mix-
ture.
Spark
Plugs
The spark plugs
ignite
the
fuel /air
mi xture
in the
combustion
chamber.
To do
this
effectively
and at
th
e
proper
time, the correct spark
plugs
must
be
used,
and
the
spark
plugs
must
be
kept clean
and adj usted.
Test have
shown
the
plugs
listed
in
Table
B1
on
Pg.
12
to
be
the best plug for general
use
.
Since
spark plug
req uirements
change
with the
igni
-
tion and
carburetion
adjustments and with riding
con
di
-
tions, whether or
not spark
plugs
of a correct
heat
range
are
used should be determined by
removing and inspect-
ing
the plugs.
When a plug of the
correct
heat range
is
being used,
the electrodes
will
stay
hot
enough to
keep
all the
carbon
burned
off,
but
cool enough
to
keep from
damaging the
engine and
the plug
itself.
This
tem-
perature is about
400 -
800°C (750
-
1,450°
F)
and
can
be
jlJdged
by
noting the condition and color of
the
cerallJic insulator around the center electrode.
If
the
ceramic is clean and
of
a
light brown
color,
the
plug
is
operating
at
the
right
temperature
.
Spark
Plug
---Q)
1.
Terminal
4.
Gasket
2.
Insulator
5. Center Electrode
3.
Cement
6.
Side
Electrode
270

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