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Spark Plugs


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I recommend the use of NGK Iridium plugs. BR8EIX. They have a hotter spark and help burn the oil, rather than foul. They'll help prevent fouling, and if your in a situation where your running a tad rich, like going up north for a weekend, it will help run harder.

 

Scott

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i would run the b8es if u are trail/dune riding with your banshee but if u are strictly drag racing i would run a b9egv due to running the bike at wide open throttle the entire time its running and also with the fine electrode on the b9egv it will burn off before u melt a set of pistons and i dont know about u but i would rather replace a 7 dollar plug than a 200 dollar set of pistons

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The iridium tip is the hottest burning tip. They've use it in commercial engines for years, but normally its so expensive that it's no good for normal use. NGK came out with this just recently. Also, the tip is the smallest tip of any spark plug and reduces the voltage needed for an equal spark. Like a&s said, it's not that much more money, when you consider the amount of money we put into these things.

 

Phast, if you figure they're all going to foul sooner or later, the iridium would be much later if ever. It burns so hot, that the oil doesn't pool up like the typical plug. I've always been against marketing plugs like splitfire and the bosch with 4 electrodes or whatever. I honesty could tell a difference when I switched to this plug. Especially cold starting.

 

Here's a quote regarding the iridium:

 

Iridium is a precious metal that is 6 times harder and 8 times stronger than platinum, it has a 1,200(=F) higher melting point than platinum and conducts electricity better. This makes it possible to create the finest wire center electrode ever. Prior till now, platinum had been favored for long life or performance spark plugs due to its high melting point, also the technology did not exist to machine and bond iridium on a spark plug electrode(at least in a cost effective manner). Iridium industrial spark plugs have been around for years, but still sells for over a hundred dollars per plug. Just now is the technology available to effectively use iridium in a spark plug for automotive applications. The strength, hardness and high melting point of iridium allows NGK to manufacture there iridium ultra-fine wire center electrode to 0.7mm. One of the finest firing points in the industry!
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Getting back to what q8banshee3883 posted originaly, I would have to disagree slightly, I would tend to think that if your bike is jetted correctly you don't need to change plugs that frequently. I put more miles on my cars than on my bike, I don't change the plugs in my cars every 1-2 months. Or am I missing something?

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Getting back to what q8banshee3883 posted originaly, I would have to disagree slightly, I would tend to think that if your bike is jetted correctly you don't need to change plugs that frequently.  I put more miles on my cars than on my bike, I don't change the plugs in my cars every 1-2 months.  Or am I missing something?

yep, don't know how we got off course. Before I switched plugs, the set I was on was at least 5 months old. They didn't need changing, I just switched to the Iridiums to try them out.

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