jet works flow control valve
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  1. #1
    I dream skis dlscholz's Avatar
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    jet works flow control valve

    i recently got a flow control valve from hot products and was wondering where i should place it. i have a 750sx with a factory pipe but there is no water box (no it is not obnoxiously loud).
    Awsome '85 550
    ​Conversion '82 550
    Freestyle '92 750
    Stock '94 xp 657x
    Stock '95 zxi 900
    Stock '05 sxr 800
    Build thread: http://www.pwctoday.com/showthread.php?t=426337

  2. #2
    I dream skis dlscholz's Avatar
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    Re: jet works flow control valve

    Heres a nice picture i drew of my cooling system Screenshot_2015-01-06-22-13-44.png
    Awsome '85 550
    ​Conversion '82 550
    Freestyle '92 750
    Stock '94 xp 657x
    Stock '95 zxi 900
    Stock '05 sxr 800
    Build thread: http://www.pwctoday.com/showthread.php?t=426337

  3. #3
    I dream skis kswiatk's Avatar
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    Re: jet works flow control valve

    Attach it after the T splitter on the line to the waterbox.

    '89 650 sx-Sold-
    '88 650/750 conversion- Sold
    '82 js550- sold
    '83 js300/550 -Sold
    '90 superjet, sold
    '94 Seadoo SP-Rebuilt
    '97 seadoo gti- rebuilding


  4. #4
    I dream skis dlscholz's Avatar
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    Re: jet works flow control valve

    Like i said there is no water box that circle was meant to be the expansion chamber on the factory pipe. I was thinking if i put it there all it would do is dry the pipe going out of the hull
    Awsome '85 550
    ​Conversion '82 550
    Freestyle '92 750
    Stock '94 xp 657x
    Stock '95 zxi 900
    Stock '05 sxr 800
    Build thread: http://www.pwctoday.com/showthread.php?t=426337

  5. #5
    I dream skis kswiatk's Avatar
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    Re: jet works flow control valve

    If it is a limited pipe, then before the stinger on the exhaust tubing after the chamber. But if there is no water box, whats the point of the flow control valve? The point of it is to dry out the box, not the tubing.

    '89 650 sx-Sold-
    '88 650/750 conversion- Sold
    '82 js550- sold
    '83 js300/550 -Sold
    '90 superjet, sold
    '94 Seadoo SP-Rebuilt
    '97 seadoo gti- rebuilding


  6. #6
    I dream skis dlscholz's Avatar
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    Re: jet works flow control valve

    I realize it wouldnt do anything drying out that pipe thats why im wondering where would be best to put it. I know they say it can dry out your stinger also so i was wondering if i could use it to dry out my expansion chamber. Heres my pipe20150106_190743.jpg
    Awsome '85 550
    ​Conversion '82 550
    Freestyle '92 750
    Stock '94 xp 657x
    Stock '95 zxi 900
    Stock '05 sxr 800
    Build thread: http://www.pwctoday.com/showthread.php?t=426337

  7. #7
    I dream skis dlscholz's Avatar
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    Re: jet works flow control valve

    Could i use it in the line going from the head to head pipe? I also read in another thread that they work best if you dont put it where they tell you to but he made it sound like its a secret place. Could the secret be from the head to head pipe?
    Awsome '85 550
    ​Conversion '82 550
    Freestyle '92 750
    Stock '94 xp 657x
    Stock '95 zxi 900
    Stock '05 sxr 800
    Build thread: http://www.pwctoday.com/showthread.php?t=426337

  8. #8
    I dream skis kswiatk's Avatar
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    Re: jet works flow control valve

    Putting it after the engine seems too risky, it will stop flow and possibly lead to overheating in the engine or pipe? Just put it where everyone else puts it, there's no secret spot, and there isn't any secret other use such as drying out the pipe itself.

    You want water in the headpipe at lower speeds, its slows the return wave, lengthening the tuned length of the pipe. This is turn gives you better lower end. Ever notice how crappy response is at first when you first put your ski into the water? That's the lack of water in the chamber.

    There are two places people seem to put the flow valve. The first being where I mentioned earlier, after the T to the stinger to dry out the box. The second is rarely seen, and only dual cooling setups with a direct line to the exhaust pipe. People place it before the T splitter in order to pump slightly more water into the pipe at low rpm, improving bottom end while not allowing too much water in afterwards.

    The 2nd option doesn't seem to work that well or reliably. In all honesty you most likely do not need a flow valve.

    This is my current understanding, I may not be 100% correct.
    Last edited by kswiatk; 01-07-2015 at 03:19 PM.

    '89 650 sx-Sold-
    '88 650/750 conversion- Sold
    '82 js550- sold
    '83 js300/550 -Sold
    '90 superjet, sold
    '94 Seadoo SP-Rebuilt
    '97 seadoo gti- rebuilding


  9. #9
    I dream skis dlscholz's Avatar
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    Re: jet works flow control valve

    alright i can use the valve on my 550. would it help if i added another pisser?
    Awsome '85 550
    ​Conversion '82 550
    Freestyle '92 750
    Stock '94 xp 657x
    Stock '95 zxi 900
    Stock '05 sxr 800
    Build thread: http://www.pwctoday.com/showthread.php?t=426337

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