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-
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 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
Disassemble the carburetors.
Immerse all the metal parts in a carburetor cleaning solu-
Rinse the parts in water.
When the parts are clean, dry them with compressed air.
Blow through the air and fuel passages with compressed
Assemble the carburetors.
Gasoline is extremely flammable and can be ex-
plosive under certain conditions. Turn the ignition
switch OFF. Do not smoke. Make sure the area is
well-ventilated and free from any source of flame
or sparks; this includes any appliance with a pilot
Remove the carburetors.
Before disassembling the carburetors, check the fuel level
(see Fuel Level Inspection).
If the fuel level is incorrect, inspect the rest of the carbu-
retor before correcting it.
Move the choke plunger lever from side to side to check
that the choke plungers move smoothly without abnormal
If the choke plungers do not work properly, replace the
Turn the throttle cable bracket to check that the throttle
butterfly valves [A] move smoothly and return with spring
If the throttle valves do not move smoothly, replace the
FUEL SYSTEM 2-15