Gearcase Lubricant Recommendation; Submerged Outboard - Mercury 40 FourStroke Tiller Handle Operation Maintenance Warranty Installation Manual

5. Remove lubricant tube and reinstall cleaned fill/drain plug and sealing
washer.
a - Vent hole
b - Vent plug
c - Fill/drain plug

Gearcase Lubricant Recommendation

Mercury or Quicksilver Premium or High Performance Gear Lubricant.

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.
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MAINTENANCE
a
b
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c
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