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  1. #1
    PWCToday Newbie
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    Need help 1998 seadoo gtx limited rpms surging

    Need help my 98 Seadoo GTX Limited surges and stalls
    The carbs have been rebuilt, new fuel lines, cleaned water seperator/filter, installed wsm fuel filter before carbs. Cleaned raves. Idles fine starts fine will run great and all of a sudden lose RPMs down to around 4000 then we'll surge to about 5000 to 5500. Or will stall when giving it throttle if I pull the choke a little bit it will rev back up to normal. Im at my wits end with it. Cant think of any thing else to check. Any help is appreciated. Thank you very much

  2. #2
    PWCToday.com Is My Home Away From Home Cliff's Avatar
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    Re: Need help 1998 seadoo gtx limited rpms surging

    I would remove the WSM fuel filter as I have done this before and have had fuel restriction issues similar to yours.

    You can also turn the fuel knob to 'RES' to see if that fixes the problem. If it does clear up the problem. Then you know the problem is in the primary fuel circuit.


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  3. #3
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    Re: Need help 1998 seadoo gtx limited rpms surging

    Its called fuel restriction....like said remove second fuel filter.

    I dont understand where people think they need a second fuel filter ??? Why do you need a filter to filter what has just been filtered ??

  4. #4
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: Need help 1998 seadoo gtx limited rpms surging

    Also What brand rebuild kits did you use ???

  5. #5
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    Re: Need help 1998 seadoo gtx limited rpms surging

    Mikuni. I have tried it with out the wsm. Im starting to wonder if the restriction could be in the tank.....?

  6. #6
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    Re: Need help 1998 seadoo gtx limited rpms surging

    Mikuni kits. Could there be something clogged up down into the gas tank?

  7. #7
    PWCToday.com Is My Home Away From Home Cliff's Avatar
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    Re: Need help 1998 seadoo gtx limited rpms surging

    Pull the fuel baffle and check or turn the 'RES' fuel selector knob and see what happens...


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  8. #8
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    Re: Need help 1998 seadoo gtx limited rpms surging

    Quote Originally Posted by Cliff View Post
    Pull the fuel baffle and check or turn the 'RES' fuel selector knob and see what happens...


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    Ill pull it. I tried reserve and same thing

  9. #9
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: Need help 1998 seadoo gtx limited rpms surging

    Did you replace the fuel on/off/reserve valve ??

  10. #10
    PWCToday.com Is My Home Away From Home Cliff's Avatar
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    Re: Need help 1998 seadoo gtx limited rpms surging

    I'm thinking that the/a fuel line(s) are incorrectly connected.

    Be sure to trace out the lines from the fuel baffle(the connections are labeled in the plastic below the black rubber boot) to the carbs.


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