I need the spark plug gap on my '78 70HP Johnson any help will be greatly appreciated.
R randycisme Cadet Joined May 3, 2005 Messages 11 May 6, 2005 #1 I need the spark plug gap on my '78 70HP Johnson any help will be greatly appreciated.
angus63 Captain Joined May 20, 2002 Messages 3,726 May 6, 2005 #2 Re: plug gap for '78 70HP Johnson QL77JC4 Champions gapped at 0.030"<br />If you tend to do a lot of putterin around, openin up to 0.040" reduces fouling.<br />Good luck
Re: plug gap for '78 70HP Johnson QL77JC4 Champions gapped at 0.030"<br />If you tend to do a lot of putterin around, openin up to 0.040" reduces fouling.<br />Good luck
