Honda Power Products UMC425E Manuel De L'utilisateur page 38

2.To start a cold engine, move the choke lever to the CLOSED position.
To restart warm engine, leave the choke lever in the OPEN position.
NOTE:
Do not use the choke if the engine is warm or the air temperature is
high.
CLOSED
OPEN
3.Press the priming pump several times until a flow in the fuel return
tube (transparent tube) is visually noticed.
PRIMING PUMP
CLOSED
OPEN
FUEL RETURN TUBE
(TRANSPARENT TUBE)
CHOKE LEVER
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