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Old 08-19-2016, 09:50 AM
Uncle Buck Uncle Buck is offline
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Join Date: Nov 2015
Boat: X Star 2006, Prostar 197 2007 and sold MC Barefooter 200
Location: Africa
Posts: 1
Crack in X Star(2006) KGB ballast tank

I have somehow got a small (about 2inches) long vettical crack in the KGB ballast tank on the front wall. It would seem that the only way to remove the tank to replace or repair would require the deck and hull to be seperated Not going there!!!
So my questions are

What material is this tank made from ?
Any suggestions on what compound to use to repair the crack?
Has anyone had a similar problem as I cannot work out how this could have happened.
I think the tank is made from poly carbonate ... but not sure. This is a problem to work with as it appears nothing sticks to this type of plastic?

It really is annoying as the ballast leaks into the bilge and then the bilge pumps switches on every couple of minutes and one needs to top up the KGB every 30 minutes or so.
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Old 08-19-2016, 09:54 AM
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JRW160 JRW160 is offline
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Join Date: Mar 2008
Boat: 2003 X2
Location: Huntsville, AL
Posts: 1,388
There is a way to weld poly. A friend of mine's 07 X-2 kgb tank cracked on top. They were able to get access to it thought his bilge opening and weld it without splitting the deck. It would all depend on the location as to whether that is feasible for you.
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Old 08-19-2016, 10:01 AM
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MC25 MC25 is online now
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Join Date: Nov 2007
Boat: 2016 X30, 85 S&S
Location: Grapevine, Texas
Posts: 14,991
If you can't access it, I'd cut it out and put a bag in there



2016 X30-Wetsounds galore
2017 Misty Harbor Tri-Toon
1985 S&S- Gone but never forgotten
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Old 08-19-2016, 08:57 PM
snork snork is online now
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Join Date: Jul 2007
Boat: 07 xstar
Location: south
Posts: 2,721
Originally Posted by MC25 View Post
If you can't access it, I'd cut it out and put a bag in there
how much floor do you have to remove to lift the tank out?
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Old 08-19-2016, 09:31 PM
Robcam9 Robcam9 is offline
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Join Date: Jun 2016
Boat: 2008 nautique 197, 2014 x46 6.2 sold, 2016 x23 6.2
Location: Western Canada
Posts: 57
From what I understand you cut the tank up into little peices and bring them out. Then install a bag in the floor. I know of a number of people that have had to cut out leaky hard tanks. The nice thing is you can put bigger bags in.
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