Was the back strap blued? Did it have a thin black residue that was difficult to get off? Was there any red on the porcelain inside the combustion chamber?
It could be a bad plug wire or coil. You'd have to do a compression test to see about the valve, but the spark plug would've had fluffy, thick, wet black residue on it.
---The Complete How-To Archive--
Moderating everything now, let me know if I can help.
Originally Posted by the user formerly known as ZX3_Chick
You're special aren't you.