Re: Johnson PO-15 Spark Plugs?

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October 27, 2016 at 11:05 pm #46595
GARY
Participant

    US Member

    This British company has Champion R7,C7,D6and other hard to find sparkers. http://www.gsparkplug.com/ (Green Spark Plug). The oil recommendation of 3/4 pint per gal.and 1pint per gal for heavy use is what is stated in the Johnson service manual.