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Thread: ATC 200x piston

  1. 03-21-2007, 02:35 PM #1
    ATC_KING
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    ATC 200x piston

    do you have to bore a motor with .50 overbore piston?
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  2. 03-21-2007, 02:50 PM #2
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    bmf400ex
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    holy ****, thats half and inch your gonna need a diff motor

    anytime you use a larger piston you have to bore the cylinder
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  3. 03-21-2007, 06:48 PM #3
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    brokenmike
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    I think he means .50mm. You have to bore your cylinder to fit that piston with the specified tolerance either in the correct manual or with the piston manufactures specs.
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