1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 240Get this manual
CLAMPSWIVEL BRACKETSDRIVE SHAFT HOUSING
11Install hooked end reverse link rod: Up through slot in swivel bracket and opening in swivel heada-Hooked End Reverse Link Rod b-Swivel Bracket c-Reverse Lock Hook With top leg of 90_ bend pointing aft, secure lower hooked end of link rod onto clip of reverse lock hook