Husqvarna RZ4216 Operator's Manual page 25

Move the steering controls outward to the locked
(outer) neutral position.
Move the throttle to the middle position.
If the engine is cold, the choke control should be
pushed forward to its extent.
oPeRAtIon
Place controls in neutral position
Set the throttle
Choke control
8050-028
8050-008
8050-007
25