hey all just wondering what the spark plug gap is meant to b on my 1987 120hp johnson? cheers
F fpvman Cadet Joined Aug 13, 2011 Messages 12 Jun 8, 2012 #1 hey all just wondering what the spark plug gap is meant to b on my 1987 120hp johnson? cheers
JB Honorary Moderator Emeritus Joined Mar 25, 2001 Messages 45,907 Jun 9, 2012 #2 Re: 1987 johnson 120 spark plugl gap Over the years it has been .303", .040" then back to .030". The current spec is .030".
Re: 1987 johnson 120 spark plugl gap Over the years it has been .303", .040" then back to .030". The current spec is .030".
