Re: Johnson PO-15 Spark Plugs?

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October 27, 2016 at 2:59 pm #46558
David Stanton
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    US MEMBER PAY BY CHECK

    I’m running Champion D9s (509) in my late 1940s PO15 and it runs great.

    Amazon has them:

    https://www.amazon.com/Champion-509-Ind … B000B7RCMG

    My PO15 was starting hard when it got warmed up and I was thinking spark plugs, but I found that even if it had just been run, if I hold the little primer button down until gas comes out the small tubes, it starts right up warm with the D9s.
    Dave