88 js550 carb
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Thread: 88 js550 carb

  1. #1
    PWCToday Newbie
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    88 js550 carb

    Hey guys. New to the forum. Been riding stand ups for around a year now and want to get a new carb for my 88 js550. What's a good one to get? I have a mikuni round carb which is a low end one from what I hear. Also, my current set up the guy before me removed the rev limiter but didn't put a restrictor in the return line. Does anyone know what size jet I need? Thanks fellas

  2. #2
    PWCToday.com Is My Home Away From Home john zigler's Avatar
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    Re: 88 js550 carb

    Welcome to the site.

    A Mikuni SBN 44 is a good upgrade on the old Kaw 550. It has replaceable jets for easier tuning.

    Your 88 would have had a BN44 originally. The SBN will bolt onto your intake but you need a spacer for the intake manifold, so the carb fuel pump will clear the cyl. We sell these here.

    https://www.watcon.com/fuel-system/i...anifold-spacer

    We also have new SBN carbs, flame arrestors, gaskets, primer kits, and more. Can Jet the carb for your application for an additional $40

    John
    RCJS also doing business as WATCON
    608-743-1305 9am to 5pm CST m-f
    email watcon@watcon.com

    Please visit our web sites

    new parts / products / services www.watcon.com
    used parts www.rockcountyjetski.webs.com
    thank you

    Please check out and like WATCON on Facebook

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