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  1. Member opaleski's Avatar
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    Mar 2009
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    #21
    Foil it is!!

  2. Banned
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    Jun 2006
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    #22
    Depending on how new you engine is, I'd check with Don over on the Mercury Forum... The new 4 strokes cavitation plates are different than the old 2 strokes... Something about them not being solid cast... And it may void your warranty... Dan

  3. Member
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    Jan 2014
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    Leesburg ohio
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    #23
    The cave. Plate on the 300R spirt master is hollow.
    2020 Allison XB 21
    Merc 300R
    2018-SST Bullet
    Merc 300R
    Bullet 20XD
    300XS DBR

  4. Member
    Join Date
    Mar 2006
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    Wilmington, MA
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    2,247
    #24
    Ya no foil on a new merc as said above.
    ​BULLET 21XRS 250 SHO

  5. Moderator 21XDC's Avatar
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    Sep 2004
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    Westland Michigan
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    63,453
    #25
    Quote Originally Posted by tlt20xd View Post
    The cave. Plate on the 300R sport master is hollow.

    Great idea....

    Marks Props 317-398-9294, 1850 East 225 South, Shelbyville, Indiana 46176 propellerman59@gmail.com http://www.marksprops.com/index.html

  6. Banned
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    #26
    Quote Originally Posted by 21XDC View Post
    Great idea....
    Trying to keep it under a certain weight would be my guess... Dan

  7. Member opaleski's Avatar
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    Mar 2009
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    Florida/Michigan
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    #27
    Oh well ???

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