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Yanmar 6CXM - GTE2

Discussion in 'Engines' started by kev cribb, Jul 9, 2024.

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  1. kev cribb, Jul 9, 2024
    #1
    kev cribb

    kev cribb New Member

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    Nov 21, 2016
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    Location:
    Gibraltar
    Hi All
    Looking for some advice about the above engine. basically looking at a boat 2002 portofino 46 with twin yanmar 6CXM - GTE2 engines in. Engine hours are high 3400 but it has had regular maintenance.
    I have never had a yanmar engined boat. Yes a generator and that seemed good but this is a different fish.
    Can anyone tell me the truth good and bad and any thing I should look for or be aware of. honestly anything that can help me. Thoughts and all ,
  2. K1W1, Jul 11, 2024
    #2
    K1W1

    K1W1 Senior Member

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    Google the engine model and have a read, there are as few intercooler issues reported. The Yanmar 440's gave a bad run with the two valve heads so if offered a boat with those just say thanks but no thanks
    Capt Ralph likes this.
  3. kev cribb, Jul 16, 2024
    #3
    kev cribb

    kev cribb New Member

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    Nov 21, 2016
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    Location:
    Gibraltar
    Hi what about the 434 hp version which I think mine might be. Did they have the valve issue as well
  4. K1W1, Jul 16, 2024
    #4
    K1W1

    K1W1 Senior Member

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    kev cribb likes this.
  5. Trinimax, Jul 17, 2024
    #5
    Trinimax

    Trinimax Senior Member

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    Hi Kev, we have the 465 hp versions in a 2001, 43 Ocean, that we have owned since 2016and so far have been happy with them. The engines are not the typical high revving yanmars, with a max RPM of 2800 and a cruise of 2400 rpm. The cooling system appears to be quire robust, just has about a dozen anodes, so keep in top of those.
    kev cribb likes this.