15032 18 hp Fastwin Spark plug question

[paperjam3000]

I have a 15032 which is a 1960 18 hp Evinrude Fastwin. It has J6C spark plugs in it.

Are these the righ plugs? If not which ones are correct? What is the correct gap? Thanks!

 

[jbjennings]

Re: 15032 18 hp Fastwin Spark plug question

J4C for high speed driving, J6C for trolling.
JBJ