Water trapped between hull and ski locker subfloor

[cab13367]

Ok guys I have discovered I have the same problem after doing some fall clean up in the front locker AND I HAVE A LOT OF WATER UNDER THERE. I do not have the option of taking it to a Moomba dealer and I know Kojack installed a deck fill port at the bottom but how does a guy permanently fix this problem... where is the water coming from and if we do put a port access in and vacuum the water out are we getting all of it. Not to mention freezing in the winter and what it will do to the foam core.....for the winterization is vacuuming out the water enough? Any in put on this would be great, thanks guys! 2004 Mobius LSV

I think a lot of people have this issue and just don't realize it. The key is to lightly bounce up and down on one foot on the front part of the ski locker. Mine sounds and feels like it's completely full under there and probably is since there's about 4 years worth of lake/river water in there.

I see two options to drain the water - one is to do what kojack did and drill straight down at the rear most part of the ski locker, remove the foam, and put in an access hole. Then every so often, suck the water out.

Another option would be to remove the removable floor panels above the gas tank, remove the gas tank, and drill a hole horizontally into to the cavity under the ski locker, as close to the bottom as you can. Then the water will automatically drain into that area and out the back but water can also go in. Neither of these options is a permanent fix though. I think mnpracing is trying to get his permanently fixed. I'll be curious to know if (1) they get all the water out and (2) they are successful in preventing water from going back in.

I called the local dealer about this issue and talked to the service manager and he said that he used to own my exact boat and he had the same problem. He said he remembered wiping the ski locker dry and then when he stepped in it, water would come up thru several holes in the ski locker floor. He is going to call SC and see what they will do about my boat.

You bring up a good point about freeze damage if that cavity is full of water and it freezes. Luckily, I store my boat inside my garage and it never gets below freezing in there.