1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 144Get this manual
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21 Remove piston pin needle bearings (29 per piston pin) and locating washersper piston) as shownIMPORTANT: We recommend that you use new needle bearings at reassembly for lasting repairHowever, if ne