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Seadoo GTI Winterization

Old 11-27-2016, 11:31 AM
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Default Seadoo GTI Winterization

This is a 97. I am doing the samething as last year putting antifreeze in the engine water return and waiting till it gets into the clear engine drain hose

But I dont see it in the clear drain hose and it is coming out the jet and not the exhaust - what is going on?

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Old 11-27-2016, 01:29 PM
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is the seadoo a closed system with a radiator ? if not all I ever did to my skis was run it a bit with the water turned off. in your case it looks like something already froze, unless it was from the flush hose connector.
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Old 11-27-2016, 03:32 PM
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Originally Posted by mikeloew View Post
is the seadoo a closed system with a radiator ? if not all I ever did to my skis was run it a bit with the water turned off. in your case it looks like something already froze, unless it was from the flush hose connector.
no radiator

That could be so how is the antifreeze getting into the jet pump ?
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Old 11-27-2016, 06:20 PM
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Originally Posted by mikeloew View Post
is the seadoo a closed system with a radiator ? if not all I ever did to my skis was run it a bit with the water turned off. in your case it looks like something already froze, unless it was from the flush hose connector.

Don't use anti freeze in mine either
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Old 11-28-2016, 05:08 AM
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Originally Posted by Thalasso View Post

Don't use anti freeze in mine either
I am pretty sure we ran this for a bit after the last use also

Thanks - now I am just wondering why the pink stuff didn't show in the drain hose.
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Old 11-28-2016, 05:12 AM
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Originally Posted by LI Sound Grunt View Post
I am pretty sure we ran this for a bit after the last use also

Thanks - now I am just wondering why the pink stuff didn't show in the drain hose.
Hopefully it's not up in your engine. Not a closed system. No need for rad fluid in 2 stroke pwc.

Also - wouldn't hurt to simple green and pressure wash the motor.
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Old 11-28-2016, 07:26 AM
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I am assuming from your post you're doing this with the engine off - I believe your description is how the book suggests you winterize. I've been doing something a little different. I put the antifreeze in a bucket, then put a submersible pump in there. I start the ski with the pump off, rev it a few times to help blow out water, then turn on the pump. As the AF level nears the bottom of the bucket I shut it off, let the ski run a few more seconds, then fog it until it dies. Doing it this way makes it work like when it is running on the water and assures that the most water is pushed out.

Optionally, you can also purchase a refractometer like they use at the marinas to inspect the concentration of the water coming out of the exhaust. This will assure that any mixed in lake water has not diluted the antifreeze to the point that it could freeze. I do this with great results every year. Super quick way to winterize. If you choose this optional inspection, you can also buy -100 antifreeze and capture it out the exhaust and re-use it in your other skis. I'd only do this if you have the refractometer, because it's the only way to know that the solution is not over diluted.
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Old 11-28-2016, 10:15 AM
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The info you want is on this forum. I've never had a question that didn't get answered correctly.

http://www.seadooforum.com/forumdisp...-Doo-PWC-forum
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