E3 spark plug

Have seen many units come in with running problems and found this plug fouled. I stick to a tried and true J19LM.
 
I use Autolite Iridium plugs in my 10323, no fouling issues. Autolite makes a quality plug, equal to NGK, IMO.


Jeff
 
I personally use a champion cj8 as my general purpose plug across the board from my mower, tiller I used to own and my trimmer. Never had a prob works pretty good
 
Have seen many units come in with running problems and found this plug fouled. I stick to a tried and true J19LM.

I agree. I think the electrodes tend to get clogged with carbon deposits. I have had two encounters with this plug. The first is on a backpack blower, where it had failed and needed replacement. The second was on a lawn mower, and the electrodes were clogged with carbon.

That said, I don't think that aftermarket plugs are a problem as long as they have the standard electrode design.
 
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