Idle adjustment

[Grousehunter12]

I have a 2005 J25TESOM the idle adjustment knob turns and has no effect on the idle RPM's . I assume part number 24 is broke . Is this the case ? If so should anything else be replaced at the same time ?

2005 J25TESOM Evinrude / Johnson Johnson Outboard STEERING & SHIFT HANDLE Diagram and Parts

Thanks !
Ted

[boats.net]

That would probably be what you need.