1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 166Get this manual
9Reinstall Flywheel CoverTighten wing-nuts securely10Reinstall oil reservoirReconnect hoses and secure with sta-strapsSee Section 3B for more details, if necessarySee "Oil Reservoir" diagrams at beginning of this section 14Reinstall Air Box Cover and Gasket; tighten screws securely
ATTACH REAR COWL MOUNTING BRACKET Bracket attaches with boltsNote washer sequence (4 places)19072