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  • pistons

    will a 82 mm piston from a 787 fit in a 720 motor?

  • #2
    Re: pistons

    No.
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    • #3
      Re: pistons

      think about it this way. can you put larger pistons in a smaller cylinder?

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      • #4
        Re: pistons

        Originally posted by radiocontrolhead
        think about it this way. can you put larger pistons in a smaller cylinder?
        Umm, the 787 and 717 both have an 82mm bore; in a word, yes, the piston will fit in the cylinder; however the pistons are of very different designs, including transfer boost port openings, piston skirt length, and piston dome height.

        So these pistons will not interchange in the engines.
        John Kubiak
        Powersports Technical Training Professional
        Las Vegas, Nevada
        Sea-Doo Tech 13736
        PWC Tech since 1988 (22 years)
        PowerSports since 1976 (34 years)
        NEVER BUY TIRES AT A "BLOW-OUT" SALE
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