Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 172Get this manual
MID-SECTION
5Secure clamp brackets to swivel bracket
aSwivel Bracket
bBolt; Installed from Port SideClamp Bracket (Port)Washers (2); Coat with 2-4-C wrreflon Marine LubricantClamp Bracket (Starboard)Tilt Lever Indexed in Starboard Clamp Bracket