Fuel Valve; Choke Rod - Honda EB3500X Owner's Manual

Fuel Valve
The fuel valve is located between the fuel tank and carburetor. When
the valve lever is in the ON position, fuel is allowed to flow from the
fuel tank to the carburetor. Be sure to return the lever to the OFF
position after stopping the engine.
Choke Rod
The choke is used to provide an enriched fuel mixture when starting a
cold engine. It can be opened and closed by operating the choke rod
manually. Pull the rod out toward CLOSED to enrich the mixture for
cold starting.
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