Maintenance & Technical > KX500 Original

Spark plug?

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FastKX500:
Okay I wanna get this clear is a NGK B8ES okay to use? Because it seems like they last longer then the higher priced plugs...I bought a platnium plug the other day and it lasted 2 fricken days, my b8es lasted since december...Maybe i got the wrong plug? its the one listed in "starting" section of the forum...Should i just stick with the B8ES or what?

gowen:
It's hard to tell. How does the plug look? Black? Brown? White? Spotted? You could be running to lean and burning your plugs up, that could have been why your bike burned the last plug. It's hard to tell. I've used BR8EGV and used it since last January. I just replaced it with BR8EGVX or something like that. Some new Iridium or however you spell it. Hopefully, I will make it more than a year. B8ES is a fine plug. I don't see any harm in using it, it saves you about $9 per plug.

Check the plug, get back with what it is like.

Gabe

Paul:
BR7ES is my plug of choice.

I've had one in the bike for almost two years before I changed it out, and that was because it was making me nervous to have been in there that long. Proper jetting will reveal the plug you need - I didn't need a $10 plug, jetting revealed the $1.29 was working fine and winning races ;)

FastKX500:
the plug is black , with no oil on it.

Paul:
Your jetting is too rich. What do you have in there and what type of riding do you do?

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