WTB: 85mm 760 Yamaha ProX Pistons
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  1. #1
    PWCToday.com Is My Home Away From Home fox river pwc's Avatar
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    WTB: 85mm 760 Yamaha ProX Pistons

    Was about to place an order, then figured I'd ask here, as I'm in no rush. Just assembling a spare motor this fall/winter.

    Looking for TWO ProX Yami 760 pistons kits. 1mm oversize = 85mm. Maybe you bought some and never got around to using them?

    TIA


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  2. #2
    Resident Guru blazinbikerr1's Avatar
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    Re: WTB: 85mm 760 Yamaha ProX Pistons

    Im pretty positive that I have some YAMI Wiseco 85.5 pistons. Would that work or would that be too big?

  3. #3
    PWCToday.com Is My Home Away From Home fox river pwc's Avatar
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    Re: WTB: 85mm 760 Yamaha ProX Pistons

    Quote Originally Posted by blazinbikerr1 View Post
    Im pretty positive that I have some YAMI Wiseco 85.5 pistons. Would that work or would that be too big?
    Thanks, but too big. Cylinder already has a fresh 85mm bore.


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  4. #4
    PWCToday.com Is My Home Away From Home WFO Speedracer's Avatar
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    Re: WTB: 85mm 760 Yamaha ProX Pistons

    I know you already know this but those cylinder walls are paper thin at 1.00mm oversize I generally put in new liners after .050 oversize
    Y'all know me, still the same O.G. but I been low-key
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  5. #5
    Frequent Poster masta blasta's Avatar
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    Re: WTB: 85mm 760 Yamaha ProX Pistons

    have 2 wsm .75mm over.$75 plus shipping

  6. #6
    PWCToday.com Is My Home Away From Home fox river pwc's Avatar
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    Re: WTB: 85mm 760 Yamaha ProX Pistons

    Quote Originally Posted by WFO Speedracer View Post
    I know you already know this but those cylinder walls are paper thin at 1.00mm oversize I generally put in new liners after .050 oversize

    I didn't bore or port the cylinder personally. Got it with a package of parts, so I'm going to run it. Been running 85mm 760s without issues for years. Thinner sleeves compared to 61x and 62t, yep, I know.


    WHEN IN DOUBT, GAS IT!

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  7. #7
    PWCToday.com Is My Home Away From Home fox river pwc's Avatar
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    Re: WTB: 85mm 760 Yamaha ProX Pistons

    Quote Originally Posted by masta blasta View Post
    have 2 wsm .75mm over.$75 plus shipping
    Thanks. Can't use those with the cylinder I'm about to use, but I will keep these in mind for others.


    WHEN IN DOUBT, GAS IT!

    Yeah, I'm an @sshole, but I'm not a complete @sshole.

    http://badgerlandjetpilots.com/

    I don't come here to make enemies - only to identify them...

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