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FUEL SYSTEM/CARBURETION
4.13
CARBURETOR ASSEMBLY
Inspect the diaphragm (A) for holes, deterioration, or
damage. Make sure the diaphragm is pliable but not
swollen. The diaphragm should fit properly in the
carburetor body. Replace diaphragm assembly if
diaphragm is damaged.
E
D
C
A
B
3. Replace parts in proper order. The spring seat
washer (B) is stepped and must be placed on
TOP of “E” Clip (C). Spacer washer (D) must be
installed below the E-Clip. Refer to parts manual
for more information.
4. Be sure the tab (E) on outer edge of diaphragm is
positioned properly in the carburetor body.
Pilot Screw
5. Install the pilot mixture screw, spring, washer, and
O-ring as an assembly. Lubricate the O-Ring with
oil or light grease before installation. CAUTION:
Do not damage the O-ring during installation.
Turn the screw in until it lightly contacts the seat.
Back out the specified number of turns. NOTE:
The final pilot (idle) mixture must be adjusted with
the engine running.
Pilot Mixture Screw Base Setting
(Set at Factory)
Refer to Specifications in Ch. 1