I have a late 60's 9.9 Johnson and need to know the correct plug gap spec. Please advise. Earl
E ejk5501t Recruit Joined Jul 13, 2008 Messages 2 Jul 13, 2008 #1 I have a late 60's 9.9 Johnson and need to know the correct plug gap spec. Please advise. Earl
JB Honorary Moderator Emeritus Joined Mar 25, 2001 Messages 45,907 Jul 13, 2008 #2 Re: Spark plug gap for 9.9 Modle MQ13M ? That is a 1967, Earl. Gap at .030"
