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which spark plug for 1974 Evinrude 15 hp?

Thread starter

Which plug and gap is recommended for my 1974 Evinrude 15 hp?

thx.

Thread starter

Re: which spark plug for 1974 Evinrude 15 hp?

Thank you!8)

Re: which spark plug for 1974 Evinrude 15 hp?

Looks like UL81C gapped at .030...........

http://www.boatsetup.com/SparkPlugChart.pdf ] Click Here [/url]

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