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Merc 25 H.p, Mercosil, Honing ?

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  • Merc 25 H.p, Mercosil, Honing ?

    CAN I BE ABLE TO HONE THE CYL´S ( MERCOSIL), USING A STANDARD " BALL HONING" ??

    THANKS,
    DON

  • #2
    Boring Honing Mercosil Cylinders

    Cylinder Bore and Surface Finish
    Based on six years of production experience, honing is not
    necessary for the Mercosil 2-cycle application with a
    thermostat when TCW-3 oil is used with a regular unleaded
    gasoline. Diamond boring Mercosil to a 20 microns RA max.
    surface finish is sufficient. In this two-cycle application, the
    thermostat insures that condensation on the bore surfaces will
    not occur while the TCW-3 oil insures that oil of good film
    strength is being used. The absence for the need to hone a
    pattern into the bore is significant because it is the general
    practice to hone a pattern into the bore to hold the lubricant.
    However after 1000 hours of running the “as bored” surface,
    it has the topography of a honed and etched bore.
    Significantly, when the as-bored Mercosil bore is honed and
    Osborn brushed, the Mercosil bore outperforms the chrome
    plated bore in the 30% kerosene test and the 4-Stroke oil test.
    DOUG SCHULTZ--HERE FOR THE SUPPORT OF OUR SPORT

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    • #3
      Thanks A Lot For The Info !!!!!!!

      Don:d

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