Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 433Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 433

BIGFOOT GEAR HOUSING
Draining and Inspecting Gear Lubricant
If gear housing is on enair,eisolate) spark plug leads from spark
i near the

1With gear housing in normal running positionplace clean pan under housing and remove the two vent screws and one filldrain screw (with gaskets)

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