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  1. #1
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    Promax 225 not showing exhaust underwater

    Hi, I just noticed one of my motors stopped exhausting under water and was looking for some guidance. I run this thing all the time so not sure why it would just stop exhausting. I can't tell any difference really in the performance or temperature. I'm attaching a little video, valid for 2 days: https://streamable.com/pj24ev

  2. #2
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    never seen that before ... had tuners fall off and made it exit funny but never completely gone???

  3. #3
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    Welcome to the site. Can't say as I have ever seen anything like that. Has to be going somewhere.

    Rock
    Team Junk

    No sparkling wiggles in here, only dump truck grinches.

    "Screamin Heathen"

  4. #4
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    my 25 doesnt bubble up like your port motor at idle. exits out of the mid,above the water. the port motor seems weird to me, other seems normal IMO The idle relief passage on the port motor must not be working correctly. Artk
    Last edited by KIRCHNER; 06-20-2025 at 08:26 AM.

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    if those are high perf mids tha down housing will be drilled and no can... should exit tha same..

    tha port seems normal.. at idle heavier pee stream from starboard side of port motor and light stream from port (sometimes none at idle).. way all my high perf. junk idled.. only ONE pee stream from starboard side motor..

    i would be lookin' for tha reason too........
    Last edited by tlwjkw; 06-20-2025 at 10:51 AM.

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  7. #6
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    Put it on the trailer and start investigating. Fresh or saltwater? Maybe something rotted away.

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  9. #7
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    my money is on a abby-normal port motor..

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    depends on adapter plate and/or plates.. pisser from each head?... looks like it?... either way exhaust should be comin' from both below water line............

  11. #9
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    Quote Originally Posted by tlwjkw View Post
    depends on adapter plate and/or plates.. pisser from each head?... looks like it?... either way exhaust should be comin' from both below water line............
    i respectfully disagree, i have 2 pmax,s, at idle, neither exit exhaust under water. btw my 24 exits thru thr eybrows, above the water..
    Last edited by KIRCHNER; 06-20-2025 at 02:45 PM.

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    we'll jus hafta disagree.. never seen one that didn't show "any" under water exhaust discharge on idle......... never seen a idle relief (tha older eyebrows or tha hose) big enough ta discharge tha whole thing... jmo
    Last edited by tlwjkw; 06-20-2025 at 02:55 PM.

  13. #11
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    Quote Originally Posted by tlwjkw View Post
    we'll jus hafta disagree.. never seen one that didn't show "any" under water exhaust discharge on idle......... never seen a idle relief (tha older eyebrows or tha hose) big enough ta discharge tha whole thing... jmo
    i guess well hafta google it.....he ha

  14. #12
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    they should at lease bubble tha top of tha water.....

    google leans to much ta tha "left" for me ..............
    Last edited by tlwjkw; 06-20-2025 at 03:39 PM.

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    Quote Originally Posted by sumerboard View Post
    Hi, I just noticed one of my motors stopped exhausting under water and was looking for some guidance. I run this thing all the time so not sure why it would just stop exhausting. I can't tell any difference really in the performance or temperature. I'm attaching a little video, valid for 2 days: https://streamable.com/pj24ev
    do those motors have 2 piece or 1 piece adapters?.. 1 or two discharge (pee) hoses each?... offshore or bass mids?.. idle rpm's?..
    Last edited by tlwjkw; 06-20-2025 at 03:52 PM.

  16. #14
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    i think bass mids, one peehole each, stream looks weak= low rpms, 2pc adptor.... my crystal ball prediction?????

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    a single post 5 days ago!.. no answer 'bout anything?.. who cares what it is............................. jmo.

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