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  1. #1

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    Pro 785 flooded best way to repair

    Hello, have a pro 785 , that was flooded ( cooling hose ) and filled with water over the carbs , Short on taking apart the motor ( which I no time for ) , is there any way to get the water out ?
    happened today , took plugs out and still after 1 hour water still coming out of plug holes , I guessing the pipes are filled with water ?
    good news elec box still water tight , and plugs have spark ,
    Have no tried to start yet, any ideas of how to handle this ?
    thanks for all the help


  2. #2
    Moderator beerdart's Avatar
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    Get the motor running ASAP.

  3. #3
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by [email protected] View Post
    ...is there any way to get the water out ?
    ...took plugs out and still after 1 hour water still coming out of plug holes , I guessing the pipes are filled with water?...
    You must get the motor running ASAP, to get the moisture out of the engine before the bearings rust. Even 24 hours is too long to wait.

    Some folks have hooked up a wet/dry vacuum to the exhaust outlet, and sucked the water out of the exhaust and the engine.

    Don't put the spark plugs in until you no longer have water spewing out of the spark plug holes. Cranking with water and plugs installed can crack a piston, since water doesn't compress.

    There are three crank case drain plugs on the side of the lower engine block (which side? ), but I don't know if you can get to them without pulling the exhaust system apart.

    Keep in mind that all the cranking will drain the battery, so watch that you don't run the battery so flat that the engine can't start, even if it is dry enough.

  4. #4

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    Pro 785 flooded best way to repair

    Man, I've been trying ,but after over 1 hour of cranking with plugs out , water is STILL coming out , should I have the boat nose up nose down, I think the pipes have to be full of water ,
    been cranking for 10 seconds , and letting the starter cool for 5 . and now battery is dead ,( on charge ), how long do I have before damage is done /

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Hey Pro 785 experts, can he disconnect the exhaust pipes or manifold at the engine, and just work on drying the engine out with the exhaust disconnected?

  6. #6
    Lake Mead Bum & BTLS Mark starflight's Avatar
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    Quote Originally Posted by K447 View Post
    Hey Pro 785 experts, can he disconnect the exhaust pipes or manifold at the engine, and just work on drying the engine out with the exhaust disconnected?
    He can pull the pipe to collector hoses, and drop the tung of the trailer, that would help.
    Your case drain plugs will be like in the photos. Pull the plugs. When the water is drained, reinstall the plugs, and get it running. When its running pretty good, fog the shit out of it.
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  7. #7

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    Pro 785 flooded best way to repair

    Yea, going to try to suck out the water , with the drain plugs , how long do I have before damage is done ? could spray something into the motor until I have time to work on it Mon am ? running out of daylight

  8. #8
    Lake Mead Bum & BTLS Mark starflight's Avatar
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    Quote Originally Posted by [email protected] View Post
    Yea, going to try to suck out the water , with the drain plugs , how long do I have before damage is done ? could spray something into the motor until I have time to work on it Mon am ? running out of daylight
    I wouldn't wait till tomorrow! Seriously, you need to get it running now. Pull the lights out if you have to.

  9. #9

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    It most likely cracked some reed petals from the water pressure

  10. #10

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    Pro 785 flooded best way to repair

    Ok, is there anyway to know if I cracked the reeds before I take off the pipes ? ( if taking off the pipes would help ?) tried to get to the drain plugs but with the pipes and stuff can't .
    At this point if the reeds are maybe trashed , going to trash the boat.
    Is there anyway else to get the water out , besides taking off the pipes ?
    One thing I noticed , when I screw in plug in a cyd a Whole lot of water . comes out the other spark pug holes

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