Js440 no intake grate
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  1. #1
    PWCToday Newbie
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    Js440 no intake grate

    Hello pwc people, Iíve been doing some work on my 89 js440. Currently im replacing the prop and noticed that I donít believe I have an intake grate. Where is the plate supposed to be?

  2. #2
    PWCToday.com Is My Home Away From Home hyosung's Avatar
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    Re: Js440 no intake grate

    you can run it without a grate , just dont stick your feet or limbs under the boat whilst the motor is running,
    ride plate covers the pump . use google there should be some pics .
    Last edited by hyosung; 09-07-2018 at 12:43 PM.
    http://www.pwctoday.com/showthread.php?t=425767

    modded X2 650

    900 powered custom 650 sx .

    Jerry Rigging is my specialty .....



    if i did like everyone else and copied everything i needed or wanted i would save lots of time and money.

  3. #3
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    Re: Js440 no intake grate

    Is the ride plate the intake grate then? Or attached to the ride plate?

  4. #4
    PWCToday.com Is My Home Away From Home hyosung's Avatar
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    Re: Js440 no intake grate

    Quote Originally Posted by Matt_teix View Post
    Is the ride plate the intake grate then? Or attached to the ride plate?
    from memory (20 years since i bothered with a 440), intake grate is screwed to the hull at the forward end of the ski with 2 screws , ride plate slips over a couple of square lugs then bolted with a further 4 screws into the corners of the plate, 2 separate pieces .
    http://www.pwctoday.com/showthread.php?t=425767

    modded X2 650

    900 powered custom 650 sx .

    Jerry Rigging is my specialty .....



    if i did like everyone else and copied everything i needed or wanted i would save lots of time and money.

  5. #5
    PWCToday Newbie
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    Re: Js440 no intake grate

    Yeah I finally found a proper picture and that indeed is how it is. If it were you would you invest in one? I’d like less cavitation when riding?

  6. #6
    Top Dog
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    Re: Js440 no intake grate

    run an intake grate for best performance.

  7. #7
    PWCToday Newbie MitchInMN's Avatar
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    Re: Js440 no intake grate

    Run a scoop intake grate or a toploader intake grate to reduce some cavitation.
    1994 750sx
    1989 650sx
    1987 550/650 swap
    1984 js550

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