Spark Plugs for a 1997 Johnson 70 hp outboard

Joined
Oct 11, 2010
Messages
10
Any ideas for the best spark plug for my 1997 70 hp Johnson 2 stroke outboard? Running NGK BR8HS with a gap of .35 for years only because I always replaced them with what was already there when I bought it years ago. Runs great but was wondering if it's the right plug,heat range and best plug for the job. Any help would be appreciated. Richard
 

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: Spark Plugs for a 1997 Johnson 70 hp outboard

Champion QL78YC gapped at .030 ".
 
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