My 04 Honda CRF230F is fouling spark plugs every 20 minutes, I've replaced the spark plug 4 times and it still seems to go matte black everytime after about 15-20 minutes of riding. Does anybody have any idea why this is doing this?
It looks like this:
http://www.dansmc.com/spcarbon.jpg
It looks like this:
http://www.dansmc.com/spcarbon.jpg
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