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FUEL SYSTEM 3-21
Carburetor
•
Visually synchronize the throttle (butterfly) valves.
○
Check to see that all throttle valves open and close
smoothly without binding when turning the pulley.
○
Visually check the clearance [A] between the throttle
valve and the carburetor bore in each carburetor.
If there is a difference between two carburetors, turn the
balance adjusting screw [A] to obtain the same clearance.
•
Install the carburetors (see Carburetor Installation).
•
Adjust the synchronization (see Synchronization Adjust-
ment).
Carburetor Cleaning
WARNING
Clean the carburetor in a well-ventilated area and
take care t hat there are no sparks or flame any-
where near the working area; this includes any ap-
pliance with a pilot light. Because of the danger
of highly flammable liquids, do not use gasoline or
low-flash point solvents to clean the carburetor.
CAUTION
Do not use compressed air on an assembled carbu-
retor, the float may be crushed by the pressure, and
the vacuum piston diaphragm may be damaged.
Remove as many rubber or plastic parts from the
carburetor as possible before cleaning the carbure-
tor with a cleaning solution. This will prevent dam-
age 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.