Husqvarna RZ4219 Operator's Manual page 26

OPERATION
8. Open the fuel valve.
Open the fuel valve
8050-010
.
Press in and turn the ignition key to the start
position.
Turn to START position
8050-135
10. When the engine starts, immediately release the
ignition key back to the run position.
IMPORTANT INFORMATION
Do not run the starter for more than 5 seconds
each time. If the engine does not start, wait
approximately 10 seconds before retrying.
26
Release ignition to the RUN position
8050-136