Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 383Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 383

NON-BIGFOOT GEAR HOUSING
Draining and Inspecting Gear Lubricant

near the
1With gear housing in normal running position, place clean pan under housing and remove vent plug and filldrain plug (with gaskets)[ ,

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