1988-1992 Mercury Force 5HP Outboards Service Manual, Page 57Get this manual
IADJUSTING PICK-UP POINT NOTE: If throttle does not close, either the throttle return spring is too weak and should be replaced, or the throttle valve or shaft is binding
1Advance throttle control lever until center of follower is lined up with mark on throttle camAt this point the throttle should begin to openNOTE: You may have to back off the idle stop screw to make this possibleTHROTTLE SHAFT ASSEMBLY
If the index mark is not at center of follower at point of initial contact, to adjust: Remove stator plate
SEE IGNITION SECTION FOR MORE INFORMATION Loosen screw (A) securing throttle cam to stator platePivot throttle cam out until index mark on throttle cam just contacts the followerTighten throttle cam screw (A)