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Thread: 200x cylinder to piston clearnace

  1. 01-01-2013, 06:22 PM #1
    Jeremy_red
    Jeremy_red is offline Registered User New to the board
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    200x cylinder to piston clearnace

    I have a200x that was smoking bad when revving the throttle. White smoke, oily plug.
    So I am replacing the rings.
    The cyliner measures 64.8 mm
    The piston measures 64.3 mm

    Is that normal clearance or do I need a new piston?
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  2. 01-01-2013, 07:12 PM #2
    fordtech90
    fordtech90 is offline New to the board Arm chair racerNew to the board
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    You cant make one measurment and call that good...you must measure from top to bottom of cylinder in several different places with proper measuring tools.
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  3. 01-01-2013, 07:27 PM #3
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    yaegerb
    yaegerb is offline yaegerb The day begins with 3WW
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    are you using a bore gauge or a micrometer? If you are using a micrometer, your measurements will be inaccurate. You will be money ahead to just take it to a shop and get it professionally done.

    Stock bore on the 200x cylinder is: 64.990-65.000MM, service limit is 65.100MM
    Stock Piston O.D. is: 64.962 - 64.982MM

    so if yours is still smoking, there is no way you are within specifications. Take it to a shop.
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    Need something blasted or polished or both? Send me a PM
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