BR9-EIS (Iridium) in an SRX

*xke*

*xke*

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Joined
Jan 2, 2008
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Elkhart Lake, WI
I just wanted to let anyone know that has had the ongoing plug fouling problem (that I've always had) in their SRX that I have tried the NGK Iridiums and they WON'T FOUL. I have over 500 miles on them now and have had everthing from very cold starts, hot starts, very long idling, short idllng and go fast, WOT for 10+ miles... you name it and these plugs have been what I have been waiting 10 years for. I know some of you don't like the cost ($13+ each at a dealer) but I bought mine from Fleet Farm in Plymouth, WI for $6.95 each and they stock them. I have stock engine setup and modified clutch/gearing.
 
i love these plugs ,I run them in my big bore since new no problems what so ever ,have flooded it on a cold start pulled them out ,spun the motor over to get out the excess never dryed them off or anything .fired right back up.machine will idle all day with these and i check them every day when im done riding ..color is dead on ...worth the extra cash in my book.
 
Dave M said:
6000 miles on BR9ES plugs..never fouled a plug yet.... maybe I should put in some new ones....
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Is that on your Viper? Stock Vipers seem to be very easy on plugs, especially if you run a good synthetic oil. Certain SRX's on the other hand have been known to eat an occasional plug during warmup.
 
Ding said:
Is that on your Viper? Stock Vipers seem to be very easy on plugs, especially if you run a good synthetic oil. Certain SRX's on the other hand have been known to eat an occasional plug during warmup.
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I have a 600 NPV (I know you guys are talking about srx's and the viper above), and Ding you said that the synthetic oil was easy on plugs in a Viper. I switched to full synthetic last year (That was the only change), and I've found that my sled has been a bit more temperamental on warm ups, if I let it sit. Most times it'll clear up if I get on it right away once warm, but once in a while it'll foul a plug. Could the synthetic be the cause of this, or is it simply another issue I should check out?
 
VenomMod said:
I have a 600 NPV (I know you guys are talking about srx's and the viper above), and Ding you said that the synthetic oil was easy on plugs in a Viper. I switched to full synthetic last year (That was the only change), and I've found that my sled has been a bit more temperamental on warm ups, if I let it sit. Most times it'll clear up if I get on it right away once warm, but once in a while it'll foul a plug. Could the synthetic be the cause of this, or is it simply another issue I should check out?
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I highly doubt it and would be more inclined to suspect the state of your fuel system.

One thing to note however is that some synthetics have a much lower pour rate. For example the Legend that I use pours like water even when it's cold (the oil not the water of course, lol). This allows for a higher oil ratio simply due to it's ability to flow through the system. I still don't think this is a source of your problem.
 
I'll have to check my oil line free play, and watch to see how much oil my sled uses per tank. I know that I still have to turn my fuel screws out another 1/2 turn or so (slight hanging idle). I know that my whole fuel system is cleaned out. I've run 2 can's of seafoam in the last 250 miles, and have cleaned my carbs thoroughly twice (make sure gunk wasn't coming out of the tank). Thanks for the info. Drew
 
SeaFoam is great stuff, but will not remove particles that get lodged in tiny orifices like the pilot jets. In fact it frees up stuff that can easily get lodged further along. You should always check these visually and with compressed air to insure that each circuit in each carb is clear.
 
Ding said:
Is that on your Viper? Stock Vipers seem to be very easy on plugs, especially if you run a good synthetic oil. Certain SRX's on the other hand have been known to eat an occasional plug during warmup.
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Yes on my Viper....and no I don't run the fancy synthetic oils.... I would get banned from here if I told you what I run for oil....but lets just say it is JASO FD certified and not very expensive. :ban:
 
The iridiums end in 'EIX on the plugs and yes, I ran these in my Viper. There a little salty so I went back to the BR9ES plugs. My 'ES plugs used to foul at a cold start but I now figured out the secret to my sled ! I change plugs every couple tanks reguardless so there fresh. IMHo it's better to have fresh plugs then to change them on the trail in the dark !!!
 
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