1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 251Get this manual
Trim Rod End Cap Seal 1Inspect trim cap end seal and replace if damaged or if seal does not keep trim rod clean
1Apply Quicksilver Power Trim and Steering Fluid on all O-rings and seals before installation2Install trim rods and capsUse Installation Tool (91-44487A1) or Spanner Wrench (91-74951) to tighten caps securely
51343Seal (Remove as shown)
2Install new seal with seal lip upTRIM ROD INSTALLATION IMPORTANT: Components must be free of dirt and lintAny debris in the system can cause system to malfunction51353