Hellion
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Color charts for reading your plugs. Many such charts out there and as old as time. I think they mostly agree with each other but best to check and compare.
Lead fouling? No joke. They still sell leaded gasoline.
Spark plugs last a long time, tens of thousands of miles in automotive applications, but there’s folks out there tossing out perfectly good spark plugs every year as part of their tune-up regimen (usually lawn and garden folks and industrial engine applications). It is (usually) unnecessary. If anything, clean your spark plug(s), check the spark plug gap with the appropriate tools, and re-gap if necessary. You can file the center electrode, if it is rounded, as part of your yearly maintenance interval; they used to sell thin files for that I think...
Lead fouling? No joke. They still sell leaded gasoline.
Spark plugs last a long time, tens of thousands of miles in automotive applications, but there’s folks out there tossing out perfectly good spark plugs every year as part of their tune-up regimen (usually lawn and garden folks and industrial engine applications). It is (usually) unnecessary. If anything, clean your spark plug(s), check the spark plug gap with the appropriate tools, and re-gap if necessary. You can file the center electrode, if it is rounded, as part of your yearly maintenance interval; they used to sell thin files for that I think...