Spark plug gap for Johnson 50hp Seahorse

imported_Jay

Cadet
Joined
Jul 2, 2006
Messages
6
Does anyone know the correct Spark plug gap for a Johnson 50hp Seahorse motor. Plug used is a Champion L77JC4

Thank you
 

ob

Admiral
Joined
Aug 16, 2002
Messages
6,992
Re: Spark plug gap for Johnson 50hp Seahorse

Gap is .030".Gap at .035"-.040" if you do a lot of slow speed trolling to reduce plug fouling.
 
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