1930 Johnson A-50 Keyway

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  • AverageJoe

    Replies: 1
    Topics: 2
    June 23, 2022 at 4:20 pm #261864

    Hey Guys,

    Thanks for the help on the coils.  Have new spark plug wires on & good spark on both.

    Next question: The keyway on the crankshaft looks like it takes 2 woodruff keys; one upper & one lower.  I’ve seen this set up on a similar 1927 model.  I’m unsure if this is correct as I don’t have the 1930 A-50 parts manual.  I’m wondering what size keys are needed, if anyone knows.

     

    Thanks for the info.


    Buccaneer
    US Member - 1 Year
    Replies: 5818
    Topics: 896
    June 23, 2022 at 9:33 pm #261874

    My 1929 J-25 used the double woodruff keys, and they were #6 keys,
    also known as 505 keys. Not sure if yours would be the same.
    Attached is a chart I used.
    woodruff-key-dimensions

    Prepare to be boarded!

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