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  1. #1

    98 seadoo speedster porposing, how to fix?

    Just like the tittle says, I have a 98 seadoo speedster twin 787's. I am having a problem with porposing. I can sit at 5-5500 rpm and the boat will be fine, but when I hammer down the boat starts bouncing violently and I have to back off the throttle. Does any one know what I can do to fix this?


  2. #2
    Banned User
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    I got some from Riva for 650 but you might want to check with them for your particular boat to make sure you get the correct ram height. Cool

  3. #3
    Banned User
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    Sep 2012
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    **TRIM TABS from Riva**

  4. #4
    I looked at their site and try to contact them, they don't have anything for my boat

  5. #5
    Banned User
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    Sep 2012
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    A lot of ppl make tabs like lemcco, bennett etc try a google search. Cool

  6. #6
    Out of curiosity does the boat also start revving up higher than it should given the speed you are going. My challenger did this and it turned out to be cavitation. It would bounce almost as if i was hitting chop and then i would need to back off and slowly throttle up to get to full speed. I pulled my pumps and found my wear rings were a bit out of spec and I replaced those and resealed my pumps and was on my way again good as new.

  7. #7

    Join Date
    Mar 2013
    Location
    Lexington nc
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    I am building tr I am building trim for my 06 speedster

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