1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 285Get this manual
IMPORTANT: Cross pin (a) should not be reusedReplace with new cross pin7Drive out cross pin, push out upper swivel pin, and remove screws and washers retaining trim systemRemove system from outboard Installation
1Paint any exposed metal surfaces to prevent corrosion2Apply Loctite 271 to screwsInstall trim system, starboard transom bracket, and tilt tube nut
51339Cross PinUpper Swivel PinPort Transom Bracket Screws and Washers (3)Remove to release trim system from outboardaScrew (6)Torque to 45 lbft(61.0 Nm)Flatwasher (6)Install one per screwTilt Tube Nut