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  1. #1

    Join Date
    Apr 2010
    Greenville, NC

    WSM Pistons for 01 gp1200r

    I need to replace the pistons in my gpr and was wondering if these will work?

    I know my ski has 3 different size pistons in it but the only thing that I have found from WSM are just one size or oversize

  2. #2
    caliburn's Avatar
    Join Date
    Aug 2012
    Sister lakes Mich
    I was wondering about those as well ,for mine, but has anyone used those with that coating?

  3. #3
    Banned User
    Join Date
    Aug 2011
    Yes people have used them on here and had success. I personally will/ have used prox pistons

  4. +1 by:

  5. #4
    powerstroke specialist mikegp's Avatar
    Join Date
    Mar 2011
    i have use them and so far so good, i know they are not the best,but far better than S.B.T shit.
    i have them on a xl with a pv 1300r engine, and till today no a single issue. the coat looks real good.what it does IDK .
    Ive got the pistons from the same vendor
    (cape fear ) no problems,they are base out of n/c .

  6. +1 by:

  7. #5

    Join Date
    Apr 2010
    Greenville, NC
    What about the size it says that they are 80mm standard and the stock pistons are like 79.899-79.910?

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