'89 mercury 8.0. Spark plug gap??

presta24

Seaman Apprentice
Joined
Jun 28, 2015
Messages
30
Where can I find the gap spec? I just bought this boat and I figure a spark plug change cant hurt.
 

60sboater

Petty Officer 1st Class
Joined
Jun 18, 2015
Messages
307
My Seloc manual says it's 0.040" if a conventional spark plug,not a surface gap type. It says Champion L82YC is it's plug.
 
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