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Standard (original )and rebuilt piston

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  • Standard (original )and rebuilt piston

    Please assist how can I see that my piston standard or not ?
    I opened head and saw piston with letter "W" and word "up".Maybe its rebuilt ?

    Thanks

  • #2
    use a pair of calipers or a snap guage and micrometer or an inside micrometer and measure the bore.
    compare the bore measurement to the standard bore specification.

    Comment


    • #3
      Originally posted by rodbolt17 View Post
      use a pair of calipers or a snap guage and micrometer or an inside micrometer and measure the bore.
      compare the bore measurement to the standard bore specification.
      Thank you so much

      Comment

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