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Drains through transom?

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  • Drains through transom?

    The drains on my 1970 Mako 19, do not drain properly. Any following waves bring water in and acceleration takes water out. There are no scuppers on these drains. I am planning a significant overhaul of the gas tank, foam and stringers (if necessary) this winter. Any suggestions on the drainage issue would be greatly appreciated.

    Also there are 3 drainage holes through the transom. One is in the center but blocked completely by the newer outboard. Was that an original feature on this model?
    [br]Captain W[br]1970 Mako 19

  • #2
    I think that was an inherent problem on that model. When I trailer my 201 I plug the drains from the inside to prevent water backing up in the engine well when loading and unloading. You could do that.

    Or install ball scuppers.

    I think the center drain was common on early Mako's. I had one on a 25 I had.
    2007 Everglades 243 250 Suzuki[br]1988 201 Yamaha 200 - Sold[br]1990 261 T/200 SWS - Sold[br]1978 25 225 Johnson - Sold[br]1975 20 85 Merc - Sold[br]Jacksonville, FL[br]

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    • #3
      I prefer the through transom over shower drains that came about later. My 224 had similar set-up, and when I did my transom I went back with just the 2 corners; made the holes larger. I have these flaps with wedges and do not have an issue with water coming back in.

      http://thmarine.com/large-rectangular-scuppers
      \'93 241 https://forum.classicmako.com/forum/...etting-started
      \'82 224 - Mobile, AL Gone but NEVER Forgotten - https://forum.classicmako.com/forum/...indshield-tank

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      • #4
        Thanks Naname Dave. Great short term solution. I appreciate it.
        [br]Captain W[br]1970 Mako 19

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        • #5
          quote:


          Originally posted by ChuckB


          I prefer the through transom over shower drains that came about later. My 224 had similar set-up, and when I did my transom I went back with just the 2 corners; made the holes larger. I have these flaps with wedges and do not have an issue with water coming back in.


          http://thmarine.com/large-rectangular-scuppers


          Thanks ChuckB. This looks like a good improvement for the transom. Thank you for the suggestion.
          [br]Captain W[br]1970 Mako 19

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          • #6
            The only way to fix that problem completely is to raise the floor. I have the same problem in my 17 and I keep the plugs in all the time. Before I repowered I could leave 1 out and put weight on the bow to help the hull drain, but now with the new 4 stroke its too heavy to self bail.
            Chris Miller[br]Mystic Islands, NJ[br]1974 17 Classic[br]1988 211 Classic (sold)[br]1990 Grady White 230 Gulfstream (sold)[br][img][br]

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            • #7
              I can see how that would work. Thanks for the idea.
              [br]Captain W[br]1970 Mako 19

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              • #8
                ping pong scuppers would help as well. but as others have said it's just a bad design and the floor should be higher.
                1978 Mako 25 - Blind Hog
                1985 Mako 20c - sold
                Fort Walton Beach, FL
                http://www.classicmako.com/forum/top...TOPIC_ID=42841

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