1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 294Get this manual
7Tap shaft into cylinder until shaft is positioned as shown CLEANING AND INSPECTION 1Inspect all internal parts for damage or wearClean and replace parts as necessary2Inspect tilt rod for scratchesReplace scraper seal in rod end cap if tilt rod is scratched or worn3Slight scratches or tool marks less than 0.005 in(0.1 mm) deep in cylinder are acceptable
Scraper Seal Replacement
1Remove components from end cap51365
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