Ballast Bags Leaking

[dillengeraj]

I have a 2016 Mondo and have upgraded the rear bags to 900 lbs. I can fill them up completely and come back a few hours and they’ve gone down to like half full: Why would this be the case? Any idea on how to fix it as no water is in the bag suggesting the bags are leaking. Any insight would be appreciated

[Shoebox]

Could be siphoning out the overflow.

[rdlangston13]

You also may want to inspect the pump impellers. If they are worn too much they may not be creating a good seal and could be leaking back through the pump and out of the boat.

[Kxmoomba]

Anyone have part numbers for replacement pump impellers?

[haknslash]

Anyone have part numbers for replacement pump impellers?

I believe this is the one https://www.wakemakers.com/jabsco-ba...-impeller.html

This green impeller (Jabsco part #6303-0107) is the latest generation wakeboard ballast impeller from Jabsco, designed specifically for use in all Jabsco 18220 Ballast Puppy pumps powering automated wakeboard ballast system. This is the OEM impeller for MasterCraft, Correct Craft (Air Nautique), Supra, Moomba, Yamaha, and Centurion and others.

[gedakbx]

I have a 2016 Mondo and have upgraded the rear bags to 900 lbs. I can fill them up completely and come back a few hours and they’ve gone down to like half full: Why would this be the case? Any idea on how to fix it as no water is in the bag suggesting the bags are leaking. Any insight would be appreciated

Check all the plugs on the bags my 2019 max was doing this I check and most of them were loose. I put Teflon tape on then and tightened then and they are good now.

[HFarr]

Did you mean no water in the Bilge? If so, then it's got to be going back out through the pump where it came in unless it's somehow siphoning through the overflows. See any water drizzle out them on side of the boat?

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[KI Welker]

I consistently run with about 3 inches in my Bilge around the center plug. Suspect leaking ballast. How do I determine which bag is leaking. 2016 Moomba MoJo

[Holdmybeer]

I can almost guarantee you and bet real money it is the bow bag air releases, fittings, and/or hoses.

My 2015 had the same issues. I tightened the plugs, replace hose clamps on the hoses, and made sure I had tight connection on the quick disconnects to the bags. My rears are solid and do not leak at all. The floor tank I assume is good but I have never removed the panel to check, but I cannot see any leaks through the plug port in the floor.

Run the boat around the lake without ballast and check for water.
Fill the each bag separately and cruise around the lake and check for water.

I also had a small leak through my rudder port that I fixed and no more water in the bilge.....except the offset roller or kids running in and out.

[larry_arizona]

Are you sure you are just not taking the wave over the transom?

Supras like to take in water from the wave slapping the transom and taking a little water through the surf locker or rear engine vent.


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