3A-24 90-13645--2 495FUEL SYSTEM AND CARBURETION
Enrichener System
Description for Three Cylinder
Engines
Fuel flows from top carburetor float bowl to fuel en-
richment valve. Valve is electrically opened when key
is turned to the “ON” position and pushed in (and held
in). Fuel is supplied to engine through fittings located
in the top, middle, and bottom carburetors. Valve re-
turns to the closed position when key (or choke but-
ton) is released. Valve can be operated manually by
PRESSING and HOLDING button located at bottom
of valve.
Enrichener Valve Hose Installation -
Three Cylinder Engines
Enricher Valve
Manual Operation
Button
Electrical
Harness
Connect to fitting on
SIDE of TOP carburetor
Description for Four Cylinder Engines
Enrichener valve receives fuel from a T-fitting be-
tween #1 and #2 carburetors. Valve is electrically
opened when ignition key is turned to the “ON” posi-
tion and pushed in (and held in). Fuel is dispensed to
T-fittings on intake manifold of cylinders #2 and #4. In-
ternal passages route fuel from cylinders #2 and #4
to cylinders #1 and #3. Valve returns to the closed
position when key (or choke button) is released. Valve
can be operated manually by PRESSING and HOLD-
ING button located on top of valve.
Enrichener Valve Hose Installation -
Four Cylinder Engines
23121
Enrichener Valve
Manual Operation
Button
Electrical
Harness
Connect to T-fitting
between #1 and #2
carburetors
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