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  1. #1

    seadoo wont go over 3rpm

    hey this is my first time here, my 2003 seadoo gtx s/c doesnt want to go over 5 mph and 3 rpm. recently i put a intercooler inside and took out the secondary muffler and put the intercooler in and i also took out the regular intake, and i have the same muffler the jet ski had i havent touched anything else. i was just wondering what could be the problem thanks.


  2. #2
    Orlando Shark's Avatar
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    3 rpm or 3,000?

    Does it beep or does it display anything in the gauge?

  3. #3
    Quote Originally Posted by Shark View Post
    3 rpm or 3,000?

    Does it beep or does it display anything in the gauge?
    sorry yea its 3,000 rpm, and it doesnt beep and it doesnt display anything on the guage either.

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    Boost addict hotbird's Avatar
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    did it start this right after you installed the new stuff?

    Start with the easy stuff. Compression check, change plugs, check spark, fresh fuel, no leaks in the intercooler piping and or exhaust.

    Can you explain the problem a bit more?

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    Orlando Shark's Avatar
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    Does the ski shake or do anything weird? Have you checked your pump area and made sure it's clear?

  6. #6
    otoss's Avatar
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    had a similar problem to this ski. was shaking pass 3000rpm. Was the oil pressure sensor that was no good. It was on a 2004 rxp engine

  7. #7
    Quote Originally Posted by Shark View Post
    Does the ski shake or do anything weird? Have you checked your pump area and made sure it's clear?
    no it does shake or do anything weird, it just doesnt go more than 5 mph it feels like its holding back

  8. #8
    Quote Originally Posted by hotbird View Post
    did it start this right after you installed the new stuff?

    Start with the easy stuff. Compression check, change plugs, check spark, fresh fuel, no leaks in the intercooler piping and or exhaust.

    Can you explain the problem a bit more?
    yes it started right after we installed the new things, before it was perfect with no problem at all, ok so the problem is, that it doesnt accelerate more than 5 mph it holds back, i can hold the gas all the way and nothing it just stays at 5 mph, also if this helps i smell alot of gas when i accelerate?

  9. #9
    RXP 260 X Short Course Veteran RXP244's Avatar
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    Quote Originally Posted by Bumblebee View Post
    hey this is my first time here, my 2003 seadoo gtx s/c doesnt want to go over 5 mph and 3 rpm. recently i put a intercooler inside and took out the secondary muffler and put the intercooler in and i also took out the regular intake, and i have the same muffler the jet ski had i havent touched anything else. i was just wondering what could be the problem thanks.
    Did you put an external IC in or did you put an OEM IC into the Intake Manifold. Have you left any plugs disconnected. Is your throttle cable opening your throttle body. Maybe it has come off/disconnected from the throttle body.

    Does it rev up out of the water. On the trailor? Retrace your steps, there really is nothing that you could have done that would result in your engine not wanting to rev unless you've cocked up somewhere.

  10. #10
    Is your throttle body baffle opening?

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