Looking for the spark plug gap setting for a 1998 Johnson 90HP SPL
S skhan Recruit Joined May 14, 2013 Messages 1 May 14, 2013 #1 Looking for the spark plug gap setting for a 1998 Johnson 90HP SPL
JB Honorary Moderator Emeritus Joined Mar 25, 2001 Messages 45,907 May 14, 2013 #2 Re: Spark plug gap setting for Johnson 90 SPL - 1998 Howdy, skahn. Welcome to iboats :welcome: Current recommended gap is .030", though over the years it has also been .040" at times.
Re: Spark plug gap setting for Johnson 90 SPL - 1998 Howdy, skahn. Welcome to iboats :welcome: Current recommended gap is .030", though over the years it has also been .040" at times.