Question on 94' Seadoo GTX Fuel

[tampc]

I has this seadoo seen from new to now and never has any problem with it not at one, it keep going and going, it been used evey weekend in summer from July to October about 8 to 14 hrs a week from 1994 to now :beer very good jetski :emoticonb , the only problem came last summer is the fuel are still have about 1/4 tank in it but the gauge and engine can't take of as normal and I fill up the tank then it run back to normal gain. so I have to fillup each time it does that.
What will go wrong?
where I should start?
Please help.

Thank you

[Technical Support]

Re: Question on 94' Seadoo GTX Fuel

Sounds like the fuel sending unit is giving you problems, remove it and inspect it.