Honda HS521 Owner's Manual page 15

2. Turn the fuel valve to the ON position.
FUEL 'VALVE
3. When the engine is cold, move the choke to the CLOSE position.
CHOKE KNOB
4. Pull the starter grip lightly until you feel resistance, then pull briskly.
m
Damage may result if the starter grip is pulled while the engine
is running.
TARTER GRIP
14