Re: 1962 Evinrude 10hp Spark plug?

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August 6, 2015 at 4:19 am #21583
thepetrolist
Participant

    I swear by Densos these days. Equivalents of the J6C is W20S-U or W22S-U. I run these in both my 1963 10 hp sportwin and in my 6 hp Fisherman and I’ve found that no other spark plug works this well in my engines.