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Previous owner had installed C8E spark plugs

Posted: Thu Apr 23, 2015 2:27 am
by catmanjan
I noticed that some of my spark plugs are C8E, whereas I've replaced them with CR8E

What's the difference between the two? I know the CR's have a resistor, but what does that mean for operation of the bike? Any reason why they would have installed the non resistive ones?