Submerged Outboard - Mercury 4C Instruction Manual

3. Insert the oil tube nozzle into the lower oil plug hole, and fill
with gear oil by squeezing the oil tube until oil flows out of
the upper plug hole.
4. Replace the oil plug gasket with a new one. Install the upper
oil plug, and then remove oil tube nozzle and install the
lower oil plug.
NOTE: Use Mercury or Quicksilver gear oil or the recommended
gear oil (API GL‑5:SAE #80 to #90). Required volume: approx.
195 mL

Submerged Outboard

A submerged outboard will require service within a few hours by
an authorized dealer once the outboard is recovered from the
water. This immediate attention by a servicing dealer is
necessary once the engine is exposed to the atmosphere to
minimize internal corrosion damage to the engine.
MAINTENANCE
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41072
eng