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AR15.COM
6/11/2014 5:02:46 PM EDT
Ok 5hp yamaha *mariner* engine.

Not pissing water

Replaced impeller (wasn't bad) key is in the impeller

Replaced semi bad water tube.

Blown out the water passages with air not blocked

STILL not pissing water.

Help!
6/11/2014 5:16:36 PM EDT
[#1]
How did the impeller housing look?

Did you sleeve it?
6/11/2014 5:40:21 PM EDT
[#2]
Quote History
Quoted:
How did the impeller housing look?

Did you sleeve it?
View Quote


housing looked good. A slight circular groove where the impeller wheel has a matching bump but that's it.

No didn't sleeve anything.
6/11/2014 5:49:57 PM EDT
[#3]
Maybe check the thermostat?
6/11/2014 6:10:37 PM EDT
[#4]
Quote History
Quoted:
Maybe check the thermostat?
View Quote


5hp outboard? Pretty sure it doesn't have one.
6/11/2014 6:43:08 PM EDT
[#5]
Hows the seal where the water tube enters the bottom of the powerhead? Blockage below the impeller base plate? Some outboards don't pee until the thermostat opens. Would help to know what model, 2-stroke/4-stroke, approx. year, serial number..