I don't own a Quietline, so my governor linkages differ from yours. Unfortunately I don't know exactly what it should look like.
However, from your photos, it appears that the throttle shaft is already resting on the idle speed adjustment screw. If I'm being honest, that screw looks like its in a bit far, holding the throttle open more than it should. Maybe that's the issue?
Unfortunately I don't have any example pictures currently.
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'70 107 with k301 engine swap
'71 106 with 38" deck
'70 147 R with factory replacement k321, 42" deck
'61 Original with 38" timed deck
'63 70 "pinkie"
1863 with 54" deck
'46 Farmall H, '50 Farmall Cub
105 x2 (parts)
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