Honda HS1132 Owner's Manual page 27

OPERATION
3. Let the engine warm up for several minutes.
HS724/HS928:
If the throttle lever has been moved to the CHOKE position,
gradually move the throttle lever to the SLOW position as the engine
warms up.
THROTTLE LEVER
SLOW
HS1132:
If the choke knob has been pulled to the CLOSED position to start
the engine, gradually push it to the OPEN position as the engine
warms up. Move the throttle lever to the SLOW position.
THROTTLE LEVER
CHOKE KNOB
SLOW
OPEN
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