Iridium Plugs? - Suzuki GSXS1000 Forum
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post #1 of 21 Old 10-03-2014, 06:17 PM Thread Starter
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Iridium Plugs?

Like the GSXS1000, the GSXS750 will come with iridium plugs. Supposedly they're better, not sure, I've never used them.

Are they as durable as traditional plugs, what about cost?

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while new iridium spark plugs initiate the combustion with a hotter, more powerful spark for a more efficient burn. Iridium plugs also reduce maintenance thanks to increased plug longevity.
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post #2 of 21 Old 10-09-2014, 04:15 PM
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little in the way of gains besides longevity, you could switch to normal plugs if you really wanted to...
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post #3 of 21 Old 10-10-2014, 01:23 PM
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Why would you switch back to regular plugs? Is there also a downside to the iridium plugs?
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post #4 of 21 Old 10-14-2014, 07:06 PM
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Originally Posted by Dawg View Post
Why would you switch back to regular plugs? Is there also a downside to the iridium plugs?
That's what I was thinking as I thought Iridium plugs were better.
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post #5 of 21 Old 10-15-2014, 01:21 PM
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Here is what I found about Iridium spark plugs on wikipedia.

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Its resistance to arc erosion makes iridium alloys ideal for electrical contacts for spark plugs. Iridium has replaced other metals previously used, copper and platinum, as the electrode material for spark plugs in most all original equipment manufacture applications, is the recommended replacement spark plug for replacement on older vehicles and is especially favored by performance enthusiasts due to the increased performance. Iridium spark plugs have substantially higher life due to the low oxidation rate, as well as the high melting point that allows them to run hotter than other materials which keeps them clean and free of contaminates. While iridium plugs are at least twice the cost of standard plugs, performance and economy improvements along with the substantially increased service life have led them to replace copper and platinum as the standard plug choice for most all cars manufactured since the early 2000s.
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post #6 of 21 Old 10-16-2014, 12:46 PM
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Like I said, you could switch back to regular plugs if you really wanted to. You're not going to impact the engine negatively, you're simply replacing plugs more frequently. Even so, how often do plugs need replacing 20-30,000 miles?
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post #7 of 21 Old 10-16-2014, 12:56 PM
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If you had to replace the plugs then you could go with older non-iridium plugs, but I wouldn't go changing them for no reason. There is basically no difference other than the longevity of the plug, and obviously ones that last longer are better (though they are more expensive.)
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post #8 of 21 Old 10-19-2014, 12:20 AM
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Originally Posted by Ginger View Post
Like I said, you could switch back to regular plugs if you really wanted to. You're not going to impact the engine negatively, you're simply replacing plugs more frequently. Even so, how often do plugs need replacing 20-30,000 miles?
That is true, not something you change too often, savings from going iridium is just minimal
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post #9 of 21 Old 10-20-2014, 01:08 PM
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Originally Posted by 999 View Post
That is true, not something you change too often, savings from going iridium is just minimal
How often do regular old spark plugs have to be replaced on average?
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post #10 of 21 Old 10-22-2014, 05:55 PM
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I don't know exactly, never owned a bike long enough to do that.
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