ALOT of water in bilge?

[MJO21]

Where does water in the boat come from??? I know stupid sounding question…today we are surfing and after awhile the wave starts to go to crap, then the boat won’t get to 9mph and we can’t even get a clean wave. I stop and scratch my head …I eventually open the engine hatch to find lots…lots!!! Of water in the bilge.

So problem one…a big one, bilge pump not working!!!

Problem 2…how is all this water getting into the boat??? I used my straight line Sumo pump and pumped a steady flow out of the bilge for well over 3-4 minutes.

Once the bilge was emptied out we were running strong. I ran it with the hatches open and didn’t see any water squirting out of the engine anywhere.

I checked the floor around the rear bags (the only bags we were using) and it was pretty much dry.

The only thing I didn’t check is that maybe one of the fill pumps in the bottom of the boat is leaking??? But that would be a huge leak, right?

Also. I noticed the bags were not full when we would stop to pick up the rider…. So I ran the pumps while we were surfing and had a constant flow from the over flow hole….

it was mentioned on Facebook that it maybe a prop shaft seal???
Thoughts????

[scottspray]

Had the same thing happen to me in a 2013 Z3. Water was coming from rear hard tank ballast under floor. It had cracked where the drain pump attaches. It would not drain all of the water out either.

[bsreid]

If your bags aren’t staying full it’s likely a leak somewhere in the ballast system. Cracked line, fitting, etc.

Do you get water in the bilge when not surfing? If so you can rule out the ballast.

[mikemcclain8]

One other thought that happened to me. The connection between the engine and exhaust in my boat (22i) was loose and water was flowing back into the bilge when I would come to a stop. I don't have an image available but it's in the hatch where you access the under hull speedo and rudder....again, my boat is direct drive so could be different.

[USWaker]

I ran into a situation where my bulge pump wasn’t working. It was actually turning, but not pumping water. It turned out that there was a light film of oil in the strainer that was keeping the water from going through it. I washed it with some dish soap and the problem was solved.

[MJO21]

Went for a long evening run on Sunday night. Had a water in the bilge after that too. Not sure how dry I got her pumped out after the surf session though. Problem with the convex hulls…water spreads out to the front/middle on the boat unless you get a lot of weight in the back!!!

[Bamer]

Went for a long evening run on Sunday night. Had a water in the bilge after that too. Not sure how dry I got her pumped out after the surf session though. Problem with the convex hulls…water spreads out to the front/middle on the boat unless you get a lot of weight in the back!!!

How did you pump the water out? Bilge pump?

If you want to get the bilge dry, with the boat

[Bamer]

You must use a hand pump and towels or just towels. There can be 1-2 gallons leftover that the bilge pump can’t get out


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[scottspray]

There is a hole in the fuel tank perfectly placed for a wet vac. Lift the back floor forward and you will see the hole. Have the trailer tongue jacked and you can get almost 2 gal.

[Bamer]

I installed a t-handled drain plug in that hole this off-season….best upgrade so far lol


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