Is .030 the recommended spark plug gap for a 1990 Johnson 90hp. Thanks.
R redfish10 Seaman Joined May 30, 2007 Messages 51 Apr 13, 2008 #1 Is .030 the recommended spark plug gap for a 1990 Johnson 90hp. Thanks.
Gary H NC Fleet Admiral Joined Dec 1, 2005 Messages 8,972 Apr 13, 2008 #2 Re: Spark Plug Gap ?? Looks like .030 is correct,here is a handy plug chart, http://www.boatsetup.com/SparkPlugChart.html
Re: Spark Plug Gap ?? Looks like .030 is correct,here is a handy plug chart, http://www.boatsetup.com/SparkPlugChart.html
