Honda Power Products UMC425E Manuel De L'utilisateur page 19

3.Choke lever
The choke lever opens and closes the choke valve in the carburetor.
The CLOSED position enriches the fuel mixture for starting a cold
engine.
The OPEN position provides the correct fuel mixture for operation
after starting, and for restarting a warm engine.
CLOSED
OPEN
4.Starter grip
Pulling the starter grip operates the recoil starter to crank the engine
for starting.
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CHOKE LEVER
CLOSED
OPEN
STARTER GRIP