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Water Pump for 1978 - 150 Mercury Outboard

aquaholictom

New member
How long should it take for water to start pumping out.

I bought an old boat and motor and got the engine running but noticed that water did not come out. I shut it down right away, afraid I might damage the water pump, which may be already shot. It was on less then 30 seconds before I shut it down. Should I have run it longer?

I was told that the motor was run last year.

Of course I had the water coming into the intake with a water ears.
 
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