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Other then not having to change plugs as often you won't feel a noticeable difference.
 
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Discussion Starter · #7 ·
The rationale behind tipping spark plug electrodes with precious metals such as Iridium is purely performance driven. By using durable metals the electrodes can be made smaller and still last a long time.

NGK have achieved this with Iridium by producing a spark plug with a centre electrode diameter of just 0.6mm.

Power TestAcceleration Test

The super fine centre electrode coupled with the tapered cut ground electrode enables the plug to ignite fuel mixtures faster and with a more complete combustion. This helps your engine deliver more power and improves acceleration.

Other then not having to change plugs as often you won't feel a noticeable difference.
 

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I have them in my truck and had them in my former Aprilia Mille. No noticeable difference. I read quite a few threads on the R1 forums stating the same thing so I just went with the standard ones for the R1
 

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Without looking, if the gap and heat range is the same there will be no difference. If they are different, then you should have a good reason to be making that change.

Also, nice copy pasta up there.
 

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They are better built and will last longer, but they won't give you a couple extra hp. Nothing they put on their website needs a credible source, it's just advertising at its finest.

I'm going to get a tad off topic here, but there's very little you can do to this bike that will make a noticeable amount of difference in power. Even with a full exhaust, tune, spark plugs, etc you might only gain 10-15% in power. If you want to invest in something you'll notice, brakes, suspension and tires are the way to go.
 

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Discussion Starter · #13 ·
I'm going to agree there isn't must to be had compared to say a 600cc R6 or R1.. in the power stacks but 15% with solid weight reduction on a small bike will be felt I assure you of that ! Couple that with your handling mods and your in customsville which is a nice place to play if that's what floats ya boat ! :)
They are better built and will last longer, but they won't give you a couple extra hp. Nothing they put on their website needs a credible source, it's just advertising at its finest.

I'm going to get a tad off topic here, but there's very little you can do to this bike that will make a noticeable amount of difference in power. Even with a full exhaust, tune, spark plugs, etc you might only gain 10-15% in power. If you want to invest in something you'll notice, brakes, suspension and tires are the way to go.
 

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I'm going to agree there isn't must to be had compared to say a 600cc R6 or R1.. in the power stacks but 15% with solid weight reduction on a small bike will be felt I assure you of that ! Couple that with your handling mods and your in customsville which is a nice place to play if that's what floats ya boat ! :)
Have you used the spark plugs by the way? What is the result?
 
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