1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 87Get this manual
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Table Of Contents Page Page
Idle Speed Adjustment 3A-19 Main (High Speed) Jet Adjustment 3A-19 Rejetting Carburetors For High Altitude Operation 3A-19 Jet Orifice SizePart Number Chart 3A