88 XT600 Spark Plug Advice
 

I have a 1988 XT600. It requires a DP8EA-9 non resistor plug. It has in it a DPR8EIX-9 Iridium. Is the Iridium plug a better replacement than the required non resistor plug?

I do notice from time to time that my bike misfires at idle.

Thanks,
Mark