1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 67Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 67

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11 Hold throttle cam in full throttle positionIf necessary adjust acceleration pump adjusting bolts position so that gap of 0.030 in(0.762mm) exists between throttle cam and top of acceleration pump a