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Thread: atc 70 piston??

  1. 03-16-2010, 09:18 PM #1
    Bielz81
    Bielz81 is offline Registered User New to the board
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    atc 70 piston??

    Hi im trying to figure out what size piston is in my atc 70, i got the nubers 937 off the side of it, any help would be greatly aprreciated.
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  2. 03-16-2010, 09:59 PM #2
    atc500x
    atc500x is offline Got The Holeshot Arm chair racerJust too addicted
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    937 is the model number,designated for the atc70.Std piston have no mark on top,oversize is stamped,0.25 , 0.50, 0.75 , 1.00....

    1986 ATC500X
    1985 ATC250SX
    1985 ATC200X
    1985 ATC250R
    1986 ATC250R
    1984 ATC250R
    1981 ATC70
    1984 ATC70
    1985 ATC70
    Custom built ATC70 / 250R laydwon swap
    1986 ATC250SX FATCAT
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  3. 03-16-2010, 10:05 PM #3
    Bielz81
    Bielz81 is offline Registered User New to the board
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    thanks alot, i didnt see anything on the top
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