550 piston difference
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  1. #1
    PWCToday Newbie
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    550 piston difference

    Hi!

    Have been reading about 550 piston port vs SX pistons. And dual and single ring etc. What is the differenceces between them otherwise? Ie. holes or cutaways etc. Does anyone have pics?

    Thanks
    Scott

  2. #2
    Top Dog Bionic racing's Avatar
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    Re: 550 piston difference

    Pp single ,thick or skinny rings , reed motor dual skinny rings , so end gaps line up with cylinder sleeves , kawi did not window stock Pistons image.jpeg

  3. #3
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    Re: 550 piston difference

    Thanks for the pics. So the whole problem of using early piston in SX is the ring end gaps??? Sizing - same, no windows in either, 1 ring vs 2 rings it all comes down to ring end gap overall?

    Thanks
    Scott

  4. #4
    PWCToday.com Is My Home Away From Home WFO Speedracer's Avatar
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    Re: 550 piston difference

    You can use dual ring pistons in piston port engines, the rings last a lot longer
    Y'all know me, still the same O.G. but I been low-key
    hated on by most these &^$$@s with no cheese, no deals and no G's, no wheels and no keys, no boats, no snowmobiles, and no skis, mad at me cause I can finally afford to provide my family with groceries

    I was 300SXing when 300SXing wasn't cool !

  5. #5
    I dream skis
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    Re: 550 piston difference

    If you measure the 2 pistons. you will find that the 2 ring (sx) piston is slightly larger as Kawasaki ran a tighter clearance in the aluminum cylinder. The question is, where can you find the 2 ring pistons and rings because Kaw does not have the pistons anymore do they?
    Eric

  6. #6
    Top Dog Bionic racing's Avatar
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    Re: 550 piston difference

    image.jpeg
    Had listed last year , no one was paying attention , now E bay is your supplier
    Last edited by Bionic racing; 12-19-2018 at 10:53 AM.

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