Please help
Joe Reeves Supreme Mariner Joined Feb 24, 2002 Messages 13,262 May 22, 2003 #2 Re: 89 Johnson 40HP Spark Plug Gap Champion QL77JC4, gapped to .040 .
M Marisa Cloessner Recruit Joined May 24, 2003 Messages 1 May 24, 2003 #3 Re: 89 Johnson 40HP Spark Plug Gap Can you please give me the correct gap for a 1991 Johnson 40 hp? The plugs I have are Autolite 4092. Is there a problem with using these rather than the Champion QL78C that I took out? Thanks!
Re: 89 Johnson 40HP Spark Plug Gap Can you please give me the correct gap for a 1991 Johnson 40 hp? The plugs I have are Autolite 4092. Is there a problem with using these rather than the Champion QL78C that I took out? Thanks!