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97 Speedster sudden engine cutoff

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waternuke

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Both engines of my 97 Speedster suddenly just cut off. I'll be cruising along
at top speed, and they both just quit. Immediately they will both start back up. Is it the post or the lanyard, spark plugs? Something else. Thanks for your help.
 
Post?

I think it may be the post. I'm having kinda the same problem right now. My 97 Challenger will be running great, then all of the sudden, just die. And just like you. I go to neutral and it starts right up. But I have noticed that sometime when it dies, I don't get the double beep to let me know it's keyed and ready to start. So for right now, since I can replace the post myself, I'm gonna do that. To replace the lanyard, I have to take it to the shop so they can re-program a new lanyard.
I figure that with the boat 10+ years, it's probably time to replace them both anyway....
Hope this helps a bit!
 
I may have a fix!!!

Hey. I took the manual's advice and soaked my lanyard in warm soapy water
for about 10 minutes, then rinsed it. I also hit it with the canned electric spray. I also hit the post with the spray as well as the connections underneath. I also installed 4 new spark plugs, fired it up and ran 40 straight
minutes with no stall it ran perfect. It's worth a try, cheap fix. It seemed to do the trick.
 
Done it...

Yeah, I read the same thing on cleaning the lanyard. But I didn't put any spray on it. There's an embedded chip in the lanyard and the manual said not to use anything but soap and water. You have no idea how bad I want to put some die electric grease on it. But, I worry that I'll short out the DESS chip.....
When I washed mine really good and let it dry overnight, it worked for a few days, then it quit. Now it works sometimes.....
Thanks for the info, I'll probably give that another try. What could it hurt if I'm gonna replace the post anyway.
 
Yes...my 2002 Challenger does this daily , but only after the recall and the the new part was installed. Would love to know how to stop this.:agree:
 
More info?

I'd like to hear more about your problem. It seems this is a common problem with a lot of the Doo's, not limited to PWC's or boats, but all of them.
Do you get the beeps after your motor just quits. Or does it loose everything? When you disconnect the lanyard and put it back on, does it start back up again?.......
Let me know what yours does and what you do to make it start back up again!...........Thanks in advance.
Louis
 
Thanks so much for the replies. Sometimes when it shuts off, I just get one beep when I push the start button, sometimes I have to the pull laynard off and put back on and I get 2 beeps and it starts right up. He never seems to be the same, it never seems to be consistent. The only thing that seems consistent is that it never seems to run longer than 3-5 minutes and I have restart, runs a bit shuts off just keeps repeating over and over. I thinking I made a mistake in buying this boat now. Anymore ideas would be appreciated.
 
The sucky thing is if this seems to happen all the time why doesn't Seadoo find a better way to have a key for the boats or recall the damn thing and fix it for free. For the money we spend on these things they shouldn't have as many problems as they do.
 
What about a real solution?
There's three wires on that post, anyone know what they are? I'm guessing power, ground, data.

Get a regular boat key (I'm thinking one of those metal things like what goes in your car) with dual pole dual throw.
Put that across the data line and the power, then take the dess key and cut away some of the rubber, just enough to get a soldering iron in there...

Solder the two pins to the dess post, and leave the thing under the dash forever.

Anyone who's about to replace their key wanna give it a try? Mine works so I'm going to leave well enough alone for now.

Its a boat, not a PWC, so it doesn't need a kill switch like this.
 
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