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Jed
28-11-2011, 02:14 PM
Now that I have the 9 Motor in the ZXR I am wondering what spark plugs to use. Are they the same as the ZXR-750. I think from memopry they were CR9E's.

I have also heard that some guys use CR9EK. Whats the difference?

Hillsy
28-11-2011, 02:49 PM
CR9EK has 2 ground electrodes whereas the CR9E only has one (like most normal plugs). I've used both in my 2000 model and you can't really notice the difference IMO (although I've been told the 2 electrode ones will last longer).