1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 302Get this manual
Reassembly IMPORTANT: Components must be cleanAny debris in power trim system can cause system to malfunction1Install armature in motor housing
3Install screws and clampTighten screws securely
51349Motor HousingArmature (Spread brushes to insert commutator)