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hi


You are replying to:
backdraft
Posted 4/12/2015 5:15 PM (#764573)
Subject: 40 hp Mercury - lower unit "vent" ports




Posts: 241


OK - my 40 hp Mercury has two ports on the top.

One is stamped "VENT", the other has no label.

Soooo....what's it for? I fill the lower unit from the bottom drain port, until it starts to overflow from the "VENT".

What is the purpose of that port?


Backdraft


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