Seadoo Utopia Optimax wont go past 10 mph - Seadoo Forums

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  1. ☑ ORIGINAL POSTER #1
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    Default Seadoo Utopia Optimax wont go past 10 mph

    Hello--

    I have a 2001 Seadoo Utopia with the Optimax 200 Engine...Yesterday I took it out fine, but today it wont go over 10mph. Basically it almost gets to a plane and then bogges down (does not die) It sounds fine, but it just won't go above 10mph and keep a plane. Then I shut it off, then start it again and I can get it up to almost planing again and then it bogges again. I was thinking fuel pump, but I don't know. It is at 6000 ft which I know will give me a 25% reduction in HP, but yesterday I got it up to about 38MPH.

    Any thoughts?

    Thanks

    Eric

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  3. #2
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    inland empire, CA
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    99' Seadoo Speedster
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    Default

    Check the gap between wearing and impellor, no more than 1mm, at 6000ft..is motor stock, and air system stock? May try hotter plug, higher octane.

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  4. #3
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    Bismarck,ND
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    2001 sea doo utopia
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    Default low speed problem

    I had the same Problem. Took it in and they said it was one of two switch boxes , which you have. (about $340.00 EA) The one was bad & the other had weak Current & was going bad. Check them First if over 5 years old.

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  5. ☑ ORIGINAL POSTER #4
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    Default switch boxes?

    Please advise what switch boxes you are refering to...The main battery switch???

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