Submerged Outboard - Mercury 150 Operation, Maintenance And Installation Manual

MAINTENANCE
5. Remove the lubricant tube and install cleaned fill/drain plug and sealing
washer.

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.
60
eng