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Thread: Yz250 oversized piston help

  1. #1
    Join Date
    23rd May 2015 - 12:52
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    yz250 2000
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    new Zealand
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    Yz250 oversized piston help

    I am having trouble finding a oversize piston for a year 2000 yz 250

  2. #2
    Join Date
    1st October 2013 - 15:29
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    'Big bore kit' out of the question? The 300cc one seems to be a popular choice.

  3. #3
    Join Date
    20th January 2010 - 14:41
    Bike
    husaberg
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    The Wild Wild West
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    Quote Originally Posted by chipsandchups View Post
    I am having trouble finding a oversize piston for a year 2000 yz 250
    Plated bore unless you wish to sleeve or recoat that will be why.

    Flettner on KB was making a 350 cylinder for one from scratch but he is a bloody genius........
    Pretty sure Athena do cylinders for the YZ250's if you want off the shelf.



    Kinky is using a feather. Perverted is using the whole chicken

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