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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3859
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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What is the screw the motor when taken out water comes out

Customer Question

What is the screw for under the motor when taken out water comes out while running motor do I need to keep the screw in or out during operation of the 3.5 mercury
Submitted: 1 year ago.
Category: Boat
Expert:  Charles replied 1 year ago.

Hello, my name is ***** ***** will assist you.

The screw is a flush port for the engine. You would need the special tool to back flush the engine if you chose to. Leave hat screw installed anytime that you have the engine running.

Was there anything else that I may assist you with?

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