Possilbe problem discovered when winterizing 2002 SeaDoo GTI LE, 717 Rotax

[gt2003]

I was winterizing my pair of 2002 GTI LE's. I fogged them both yesterday so after work today I decided to put in the antifreeze. I clamped off the lines like instructed, disconnected the water inlet hose, connected a short hose and funnel through which I poured the antifreeze. A short time later, antifreeze came out the small drain hole on the front left of the craft. HERE

So, I let it set for a minute then disconnected the clamps and let the remainer of the anti-freeze drain out.

I proceeded to sea-doo #2 and followed the same procedure. But, when I poured the anti-freeze in it started coming out right where the large black hose runs from the engine block to what I'm assuming is the exhaust manifold. You can see the black hose here.

The anti-freeze appeared to be coming from right where the hose connects to the exhaust manifold (am I calling it the correct thing?) I figured maybe there was a hole in the hose. Unfortunately I was wrong. After damn near crawling inside the craft I noticed there was a hole in the gray colored pipe, directly behind the black hose.

So, can someone explain to me what this is and how I need to get it fixed? Thanks for looking.

 

[Dryon]

Re: Possilbe problem discovered when winterizing 2002 SeaDoo GTI LE, 717 Rotax

That's called a Tuned Pipe. It's doubled jacketed....meaning cooling water flows thru the outer jacket around the exhaust manifold pipe. IF it rusted thru the outer pipe then it's possible that the inner pipe may be rusted thru to, which would allow water to inter the exhaust & flow back into the combustion camber. I suggest you remove the tuned pipe & check the inner wall for holes.

 

[gazza2007au]

Re: Possilbe problem discovered when winterizing 2002 SeaDoo GTI LE, 717 Rotax

thats a common problem with the early model seadoos the welsh plug has corroded just take the exhaust off take it into a welder and have them weld it up ive had 4 seadoos 3 of them requiring the welding job