ScootDawg Forums - View Single Post - How do I know if I'm running too lean or rich?

bull · 09-10-2016, 10:25 AM

i have no idea 'where' the cone AF came from.

The ceramic color:

original- white

lean - white or almost white

proper - tan

rich - black

a proper running engine will take an overly rich plug and clean it to tan within about 500 miles of driving.

09-10-2016, 10:25 AM	#4
bull Join Date: Feb 2015 Posts: 257	i have no idea 'where' the cone AF came from. The ceramic color: original- white lean - white or almost white proper - tan rich - black a proper running engine will take an overly rich plug and clean it to tan within about 500 miles of driving.
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