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  1. #1
    PWCToday Newbie
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    Fuel question 86 JS550

    1986 JS550

    Would it be okay to just cap off the short straw pickup line on the top of the fuel cap and only run the 'reserve' line to the primer button then to the carb with a small inline fuel filter, bypassing the old school filter.

    Also I have the SBN44 on it now. do i need to keep the rev limiter?

    Thanks!
    Last edited by Chief775; 03-17-2017 at 01:12 PM.

  2. #2
    PWCToday.com Is My Home Away From Home john zigler's Avatar
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    Re: Fuel question 86 JS550

    Yes, you can eliminate the rev limiter, with an SBN44 carb.

    You can also run the reserve line directly to your carb, if that is what you are asking. You can then tap into that to draw fuel for your primer. I would not run directly to the primer from the reserve pick up. You can do that from the standard pick up though if you want.

    You should run some kind of quality filter inline before your carb.
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  3. #3
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    Re: Fuel question 86 JS550

    Would something like this work? or do you recommend something else?

    https://www.summitracing.com/parts/s...FQ9EfgodSAMB8g

  4. #4
    PWCToday.com Is My Home Away From Home Myself's Avatar
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    Re: Fuel question 86 JS550

    For starters, unless it's built all out with porting, milled head, pipe, etc, there's no need for a primer. That's just a bandaid for a poorly tuned carb. Even mild porting and a pipe shouldn't require a primer.

    But, if you really need a primer, I prefer leaving a drooped down portion in the return line and tee into it there for priming. That way when it goes bad you aren't sucking air bubbles into the fuel supply and running lean.
    http://www.facebook.com/twinlakesjetskirepair

    '89 Kawi 650SX 42.4 GPS
    +3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate

    '99 Yama GP1200 65U 61.8 GPS
    ported cylinders, matched cases, milled head, blueprinted pump, long ride plate

    '96 Seadoo HX 717 53.13 GPS
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  5. #5
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    Re: Fuel question 86 JS550

    That link is to a fuel filter, will that filter work or do you recommend something else?

    This is how i routed the fuel lines:


  6. #6
    Attention ***** PWCToday.com Is My Home Away From Home JonnyX2's Avatar
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    Re: Fuel question 86 JS550

    Yes that filter is fine though there are much less expensive filters available. Never use bronze element filters.
    .......
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    PS...the rule book will be in my 550 pump
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  7. #7
    PWCToday.com Is My Home Away From Home Myself's Avatar
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    Re: Fuel question 86 JS550

    http://www.facebook.com/twinlakesjetskirepair

    '89 Kawi 650SX 42.4 GPS
    +3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate

    '99 Yama GP1200 65U 61.8 GPS
    ported cylinders, matched cases, milled head, blueprinted pump, long ride plate

    '96 Seadoo HX 717 53.13 GPS
    light porting, massaged cases, lightened flywheel, port matched manifolds, Rossier pipe, stubby pump cone

  8. #8
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    Re: Fuel question 86 JS550

    Quote Originally Posted by Myself View Post
    Thank you!

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