| Author | Message | ||
     Buell_bert |
So are NGK iridium plugs the latest thing or are they the future for bikes. Just wondering and thanks for any replys. | ||
| Sparky |
Iridium plugs have been offered as OEM in cars since 1994. Iridium spark plugs, like platinum plugs, have a smaller center electrode than standard plugs. NGK Iridiums have an even smaller diameter center electrode tip than platinum types. This feature plus the natural properties of iridium result in the capability to produce the desired spark with lesser required voltage. Iridium is the most corrosion-resistant metal known. They are designed to give satisfactory performance and conceiveably long life with standard ignition systems. They are not the latest thing. They are a variation of standard design spark plugs which is one center electrode and one ground electrode, thus there are built-in limitations to high performance applications, such as shrouding of the center electrode by the "arm" or ground electrode. There are variations of the standard theme: plugs with multiple ground electrodes like Bosch Platinum+4, plugs with ring ground electrodes like Torque Master. These types offer consistent high performance over an extremely long time, and increased resistance to fouling using the standard ignition system. (Message edited by sparky on September 05, 2008) | ||
| Buell_bert |
Thanks Sparky. I have used centerfire in boat motors and platinum in many things. They really work good in my 8N ford tractor(long life and reduced fouling). I just have been out of the loop as far as Iridium type plugs so thanks for the update. | ||
| Bombardier |
Have found they will show up any shortcomings in your leads. Told they have more resistance than standard plugs. | ||
| Stevewauk |
Have BWB folks experienced a practical advantage to substituting iridium plugs for the H-D 10R12X plugs specified for XB's? I think I just fouled them on my new bike because I couldn't wait until Spring to try starting it and hear it run. It was formerly a demo bike and may have already had some fouling from short trips, then sat for several months without starting. As long as I have to pull the plugs I might as well swap in the iridiums if they are that much better. BTW, what is a source and the proper spec for iridium plugs on a 2010 XT? |
