Mercury KD4

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  • green-thumbs

    US Member - 2 Years
    Replies: 473
    Topics: 38
    #237442

    Go to Otto Gas Engine Works site for an expert’s opinion on piston rings
    and compression.
    Louis


    Boonie

    Canada Member - 1 Year
    Replies: 147
    Topics: 14
    #237690

    What is the preferred tool or procedure you guys use to install pistons and rings. I am having a tough time keeping them ligned up on the little post in the ring grooves


    dave-bernard

    US Member - 2 Years
    Replies: 1469
    Topics: 18
    #237702

    piece of soda bottle cut to protect the rings then a hose clamp to compress them. use a lot of lube.


    green-thumbs

    US Member - 2 Years
    Replies: 473
    Topics: 38
    #237732

    It is better to install lower piston first, then the upper piston,
    Same order for cylinders.
    There are a few order of assembly details in rebuilding an early
    K Model that you find out by discovering the way you are trying tod do it is not the way it is done. The frustration involved is not the fault of the
    machine. Once you wrap your mind around the Kiekhaefer way it begins to make sense. Once you are up the learning curve you may even want to work on another one.

    Bailey’s, item 10429 piston ring clamp kit, purchased in 2011 for $7.95
    plus $7.95 S&H The second largest clamp works for 2 inch pistons
    I have never used the others or found out what the odd parts are for.
    The bands could be a little wider, but, work ok.

    Louis

    • This reply was modified 5 months, 2 weeks ago by green-thumbs.
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    Boonie

    Canada Member - 1 Year
    Replies: 147
    Topics: 14
    #238183

    What’s the preferred method for installing gaskets on a Kd4 power head. Dry or with some type of sealer?

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