Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 244Get this manual
4Disconnect link rod from cam lever5Remove tilt lock pinRemove nuts and washers securing the lower pivot pinRemove anode bolt to remove ground strapRemove lower anchor pinRetain the anchor pin bushings from the clamp brackels and trim unit6Remove trim unit Manual Trim System Installation
1Apply 2-4-C Marine Lubricant (92-90018A 12) to su rface of lower anchor pin and anchor pin holePlace trim into proper positionInstall anchor pin and bushings into anchor pin hole and clamp bracketsInstall nuts and washers to anchor pin and tighten securelyInstall ground strap and anode bolt2Install tilt lock pinOl Ol