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  1. #1

    2009 60 hrs FZS cylinder head leaks water in oil

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    Yes - this happened during running time on fresh water and not after winter (poor) storage as someone would think!

  2. #2
    After welding looks like problem solved! But we have another fx sho with same thing - water in oil after 3 min of running with new oil - will see if is about same head cracks !

  3. #3
    abracadabra's Avatar
    Join Date
    Oct 2008
    Wellington, FL United States of America
    That's crazy!!! So you think water got left in engine and it just expanded?

  4. #4
    hdlefler's Avatar
    Join Date
    Aug 2010
    Wesley Chapel, Fl
    How much boost are you running?

  5. #5
    Join Date
    Nov 2005
    Here is how i found it.

  6. #6

    Join Date
    Jul 2005
    Central North Carolina

    Thumbs up

    Quote Originally Posted by JIM'S PERFORMANCE View Post
    Here is how i found it.

    About 1 year ago I had a friends SHO getting water in the oil. After talking to Jim and seeing this video I tested this head on the ski and this is exactly what I found also. Replaced Head and all is good to go no water in oil for over a year now. Thumbs up to Jim for taking the time to show us how to test for this problem. Tommy Jordan
    Last edited by 2fast4u; 12-11-2014 at 02:41 PM.

  7. #7
    Ski Hacks MG's Avatar
    Join Date
    Apr 2013
    How much are you suspecting it takes to rupture these heads?

  8. #8
    abracadabra's Avatar
    Join Date
    Oct 2008
    Wellington, FL United States of America
    Many guys here start adding boost not paying too much attention to the cooling system. I always start by upgrading significantly the cooling system first. As these motors are at least here in south Florida I've had stock motors throw the over heating alarm coming to an idle right after a speed run, there just isn't enough cooling flowing though the block in stock configuration.

    I am am running the new Riva cooling kit wich utilizes an additional cooling line right to the block on the right side so now there is plenty of cooling entering the block from both sides.

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  10. #9
    In our case - both jets were stock - no boot increased - only thing to hink of is poor cooling due to salt/sand deposits - so yes, riva cooling kit is the solution

  11. #10
    Can you tell me exactly where on the right side engine block's is fitted the additional cooling line - i would like to do it myself - Romania is very far from US!!!
    Thank you

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