questions about idle wire adjustment

lock1nout

Cadet
Joined
Jul 10, 2011
Messages
19
15hp 1995 merc 2 stroke

manual says to adjust idle wire screw to remove all clearance from idle wire and trigger while in neutral and choke pushed in and all the way clockwise.

ive did so, but im insure what exactly is removing the slack? can some explain to me how this adjustment is done?
 
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