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Carburetor Cleaning - Kawasaki ZR-7S Service Manual

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Carburetors
FUEL SYSTEM 2-19
.
Visually synchronize the throttle (butterfly) valves.
OCheck to see that all throttle valves open and close [A]
smoothly without binding when turning the pulley.
OVisually check the clearance
[B] between the throttle
valve and the carburetor bore in each carburetor.
*If there is a difference between any two carburetors, turn
the synchronization
adjusting screws [C] to obtain the
same clearance.
.
Install the carburetors (see Carburetor Installation).
.
Adjust the synchronization
(see Synchronization
Adjust-
ment) .
Carburetor Cleaning
A
WARNING
Clean the carburetors in a well-ventilated area, and
take care that there is no spark or flame anywhere
near the working area; this includes any appliance
with a pilot light. Because of the danger of highly
flammable liquids, do not use gasoline or low flash
-point solvents to clean the carburetors.
CAUTION
Do not use compressed air on an assembled carbu-
retor, or the floats may be crushed by the pressure,
and the vacuum piston diaphragms may be dam-
aged.
Remove as many rubber or plastic parts from the
carburetor as possible before cleaning the carbu-
retor with a cleaning solution.
This will prevent damage to or deterioration of the
parts.
The carburetor body has plastic parts that can-
not be removed.
Do not use a strong carburetor
cleaning solution which could attack these parts;
instead, use a mild, high flash-point cleaning solu-
tion safe for plastic parts.
Do not use wire or any other hard instrument to
clean carburetor parts, especially jets, as they may
be damaged.
.
Remove the carburetors and drain the fuel.
.
Disassemble the carburetors.
. Clean all the metal parts in a carburetor cleaning solution.
.
Rinse the parts in water and dry them with compressed
air.
.
Blow through the air and fuel passages with compressed
air.
.
Assemble the carburetors and install them on the engine.

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