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Kawasaki KZ1300-A1 Quick Reference Manual Page 169

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MAINTENANCE--ENGINE
Carburetor trouble can be caused by
dirt, wear,
mal
-
adju
stment,
or improper fuel level in the float chamber.
A dirty or damaged air cleaner can also alter the fuel
-to-
a
ir ratio
.
Table H5
Mixture Trouble Symptoms
Poor runn ing
Overheating
Exhaust smokes excessively
Frequent backfiring in the exhau st system
during engine braking
The following explanation covers the cleaning and
inspection of the carburetor.
Cleaning
.
~
1.
~:;~~:a~~~ :~:P:::::::e:;: ~~o:~~~
pressed air, or they will be damaged.
2. Remove as many rubber or plastic parts from the car-
bureton as possible before cleaning the carbureton
with a cleaning solution.
This will prevent damage
or deterioration of the parts.
3. The carburetor body has plastic parts that cannot be
removed.
DO NOT use a strong carburetor cleaning
solution which could attack these
parts;
instead, use
a mild cleaning solution safe for plastic parts.
4.
Do not use wire for cleaning as this could damage the
jets.
Disassemble the carbu
retors.
Wash the di sassembled
parts,
and air and fuel passages with a high flash -point
solvent then blow them clean with compressed
air.
If
necessary
,
use a bath of automotive type carburetor
cleaner.
Inspection
Examine the
float,
and replace if damaged
.
If the
needle is worn as shown in the d iagram
,
replace the valve
needle and valve seat as a set.
Valve Needle
Good
Bad
Remove the pilot screw (See Pg. 52), and check that
the tapered portion of the pilot screw is not worn or
otherwise deformed. If it is, replace the screw.
Table H6
Carburetor Specifications
Type
Main let
Needle
let
BSW32
llOR
@
lO5R
Y-8
@
West German
Model
(Q)
US Model
A. Tapered Portion
Visually inspect the diaphragms of the vacuum
pistons and coasting enricher.
If there is any damage,
the diaphragm should be replaced.
A. Vacuum Piston Diaphragm
B. Coasting Enricher Diaphragm
Check the jet needle and needle jet.
A
worn needle
jet and jet needle should be replaced.
NOTE: The last number of the jet needle number ("3"
of 5P3-3 or 5P2-3) is not stamped on the needle, but is
let Needle
Pilot let
Serv ice Fuel Level
5P3-3
(Q)
5P2-3
42.5
6.5-8.5 mm
169

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