1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 138Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 138

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3 Remove 10mm bolt from lower oil tank support (starboard side of engine, base)4 Remove (8mm) Bolts from upper oil tank neck brace5 Remove Air Box by removing nuts and pulling off of carburetor studs6

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