Honda HS521 Owner's Manual page 16

l
Push the starter button until the engine starts. (AS Type)
m
l
Do not operate the starter for more than 1 minute. If the engine fails to
start, release the button and allow the starter to cool for 15 minutes
before operating it again.
l
To avoid serious engine damage, never operate the starter while the
engine is running.
l
After the engine starts, disconnect the power cord from the electrical
outlet first, and then from the switch box.
STARTER BUTTON
5. Let the engine warm up for several minutes. If the choke was in the
CLOSE position, return it gradually to the OPEN position as the engine
warms up.
CHOKE KNOB
15