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Too lean or just right?

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This is my spark plug off my 99 xr600r with an fcr mx41, oversized intakes, white bros exhaust manifold. Is my mixture looking good. It runs well. No popping, backfires, etc. Just doesn't seem to have that cocoa look to it....IMG_0432.JPGIMG_0433.JPGIMG_0434.JPG

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This is my spark plug off my 99 xr600r with an fcr mx41, oversized intakes, white bros exhaust manifold. Is my mixture looking good. It runs well. No popping, backfires, etc. Just doesn't seem to have that cocoa look to it....📎IMG_0432.JPG📎IMG_0433.JPG📎IMG_0434.JPG

 

Looks like it could be about right or a tad lean.  I had a similar issue with my L and had to richen things up a bit, the insulator on mine was as white as could be with no blemishes.

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Did just that today.

Two clips down on needle.

We'll see what that gets.

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