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  1. #1
    Frequent Poster rotarypower101's Avatar
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    Jul 2004
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    Portland/Mt Hood Oregon
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    WTB: Mukini Check Valve 270500346 Seadoo

    Want to buy this check valve from a Mikuni carb, would like the short extension tube and clamps included.

    This one came from a 98 SeaDoo SPX.

    One way fuel check valve Part# 270500346


    Please PM price shipped to OR 97051 and a brief description of condition and or pics.

    TIA

  2. #2
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: WTB: Mukini Check Valve 270500346 Seadoo

    I have one....why do you want one ??

  3. #3
    Frequent Poster rotarypower101's Avatar
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    Re: WTB: Mukini Check Valve 270500346 Seadoo

    Quote Originally Posted by Grumpy Old Guy View Post
    I have one....why do you want one ??
    Based on purely empirical evidence, I added this check valve to my 99 SPX based on the 98 SPX system and many of the problems I have with the acc pump were substantially subdued, and almost disappeared entirely.

    I still get a slight hesitation after a long period at idle, but even the starting issues I used to be plagued by have all but disappeared.

    My goal was to try and retain the ACC pump, and if that fails, then I will move to the topic of rejetting...assuming I can get some sagely advice and a tutorial to follow.

    Do you have a paypal address you could send me?
    Last edited by rotarypower101; 08-07-2018 at 08:19 PM.

  4. #4
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: WTB: Mukini Check Valve 270500346 Seadoo

    Fair enough....rejetting runs so much better & consistent.

    PM your mailing info & advise is always free.

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