KX Riders
Maintenance & Technical => KX500 Original => Topic started by: dans89kx500 on January 17, 2008, 02:47:11 PM
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With the 89 KX5 should I run a BR9EG or BR8EG? What is the difference?
Daniel in Vacaville
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Stock bike uses a BR8 heat range. I would suggest the BR8EIX over the G or V. Those are old tech and the EIX is the irridium electrode that has proven to outlast anything with the best flame from. Most new vehicles come with these for a reason. cam.
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8 is hotter than a 9. G is one upgrade over an S. V should be the minimum. Got the bucks run the irridiums like Cam sayzzz....
Sly
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Is there a difference with plugs even with the same numbers? I found a box of ten B8ES @ Pep Boys for $10 and change, but the plugs seemed to foul easy. I noticed the electrode and the whole bottom of plug was an aluminum-colored silver and my old ones from the bike shop were a copper-color.
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I wouldnt waste the money on the EIX... IMO they are no better than a standard ES.... I run B9egv's in all of my bikes
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Two plug threads going.... eeekkkk.
Is there a difference with plugs even with the same numbers?
Generally speaking, the numbers represent the heat range and in compatible/matching plugs they mean the same thing. But, sometimes in a stock bike that is a little old in the top end, people run hotter plugs (8 or 7 which is hotter) to help the ole' betsy to run right and not foul when putt putting around.
bottom of plug was an aluminum-colored silver and my old ones from the bike shop were a copper-color.
Sometimes that is purely manufacturer preference on colors.... sometimes to help identify the plug types (quality in a brand) at a glance or for wow factor....
The electrodes (center and ground prong) materials are the biggest difference in the plug type classes.
Sly