Need help reading Sparkplug

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SanMan

Marksman
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Should I change this out to a hotter plug or a colder one?


Maybe just leave it alone? It's a Champion F-9Y

View attachment 228333
Put some butter on that toast.

Break off, and save the ceramic though. Have you seen what a small piece of that thrown at a window will do? It’s unreal! I still don’t understand how that happens?!!!???!!!??!!
 

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