johnson P-30 piston rings

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  • hirschlt37

    US Member - 1 Year (includes $3 online payment fee)
    Replies: 31
    Topics: 26
    #281030

    Still trying to find a source for 1926 Johnson P-30 piston rings….nothing special; cast iron, 2 7/8″ diameter, 3/16″ wide. Seems like many of the past suppliers done have them??


    Buccaneer

    US Member - 1 Year (includes $3 online payment fee)
    Replies: 7290
    Topics: 1053
    #281033

    Did you try this site?

    https://www.dlastore.com/cylinders-pistons/individual-piston-rings.html

    I know some people in the past have “doubled up” two rings to get
    the correct width, but not sure that’s an option with your pistons.

    Prepare to be boarded!


    hirschlt37

    US Member - 1 Year (includes $3 online payment fee)
    Replies: 31
    Topics: 26
    #281034

    I thought¬† of trying this….but on a 2-stroke piston there might be issues with the ports…


    Finn Freeman

    US Junior Member Under the age of 18 - 1 Year (includes $3 online payment fee)
    Replies: 87
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    #281036

    If you have a big enough lathe, there is an article in one of the more recent outboarders detailing the process of making new rings for a caille outboard.


    hirschlt37

    US Member - 1 Year (includes $3 online payment fee)
    Replies: 31
    Topics: 26
    #281071

    Thanks, I’ll check it out.¬† Seems the 3/16″ width is an issue…

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