Rear spark plug fouling
#1
11-02-2006, 02:49 PM
Join Date: Oct 2006
Location: Surprise, AZ
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Rear spark plug fouling
The rear plug on my 93 Dyna was black and fouled with soot. I put two new stock Harley plugs back in and the bike ran great. I rechecked them last night. With only about 75 miles on them the rear plug is sooting up again. The front plug is gray to white. Any ideas???
#2
11-02-2006, 09:20 PM
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