1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 185Get this manual
Quality of the image is intentionally reduced!
8 Replace drive shaft if splines are worn or twisted9 If bearing surface is damaged, replace drive shaft and corresponding bearingIMPORTANT: Do not tighten vise against drive shaft10 If wear sleeve is