FUEL SYSTEM
CARBURETOR SERVICE
Cleaning and Inspection
Carburetor must
be
completely disassembled.
Use a clean bristle brush to remove gum or var-
nish deposits.
Thoroughly clean components with
Carburetor
and
Choke Cleaner.
IMPORTANT:
Do
not clean carburetor or its
components by submerging
in
strong carburetor
cleaner or hot soaking tank. Strong cleaners might
damage components or remove
sealing com-
pounds.
Flush all carburetor holes and passages with a
small syringe filled with isopropyl alcohol. Blow
passages and carburetor dry with compressed air
of not more than 25
psi
(172 kPa). When drying
passages, direct the flow of shop air opposite to
the direction
of
fuel flow.
IMPORTANT: Wire or small drill bits must not
be
used to clean carburetor orifices and jets.
Inspect the carburetor body and top cover. If
cracks or other damage are found
on
any compo-
nent,
replace it.
Inspect needle valve seat. Replace carburetor
body if worn or damaged.
004669
116
Inspect jet and nozzle.
004670
Inspect needle valve assembly. If broken tips or
wear are found,
replace assembly.
004671
Inspect the float.
004672
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