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  1. #1
    FOOTLONG MEMBER Ranger RT's Avatar
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    What put these BB marks on this piston?

    2013 Pre-Johnny Ranger RT 178
    115 PRO XS
    Due to the increase of ammunition prices... There will be no warning shots
    Honda certified Master technician 33 Years

  2. Member
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    #2
    My guess is piston ring pieces.



  3. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #3
    If you would, please review the Forum Announcements and be sure to provide the Required info when posting. Thanks!

    My guess would be a locating pin from the other cylinder (looks like the locating pin for the top ring is missing).

    See similar damage on the cylinder head and/or "mauled" Direct Injector?


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
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  4. FOOTLONG MEMBER Ranger RT's Avatar
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    #4
    Quote Originally Posted by EuropeanAM View Post
    If you would, please review the Forum Announcements and be sure to provide the Required info when posting. Thanks!

    My guess would be a locating pin from the other cylinder (looks like the locating pin for the top ring is missing).

    See similar damage on the cylinder head and/or "mauled" Direct Injector?
    250 pro xs sn# 1b822855... and we looked at it and that pin is missing
    2013 Pre-Johnny Ranger RT 178
    115 PRO XS
    Due to the increase of ammunition prices... There will be no warning shots
    Honda certified Master technician 33 Years