1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 381Get this manual

2Remove screw from twist grip 5Remove throttle cable anchor screws and remove cable guide51603Screw

3Cut sta-strap securing stop switch harness and remove screw from harness J-clip
aAnchor ScrewsThrottle Cable Guide

6Remove allen screw from brass barrel and remove barrel

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