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post #1 of 15 Old 01-11-2005, 02:21 PM Thread Starter
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The recommended plug for my '97 Zrt 600 is a BR9ES. One of the local dealers told me to use the BR9EYA as it wouldn't foul them as easily. I bought six of them to try for my first two sets of plugs. I don't have many miles (less than 100) on the first three and have already fouled one of them. I was just curious what some of you have had good luck with in your Zerts.
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post #2 of 15 Old 01-11-2005, 02:30 PM
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I run the EYA's and haven't had any problems with them fouling.
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post #3 of 15 Old 01-11-2005, 03:19 PM
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Sled: 06&04 440/700, 04 Sabercat 600 efi lx
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running B9ES the R just stands for Restrictor and its not needed. Im wanting to try some of the EYa's but not sure, also you siad you were fouling them right away did you gap them to the specs?
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post #4 of 15 Old 01-11-2005, 03:29 PM
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The R stands for resister, this also helps not disrupt TV signals and such. Good thing to run plugs with the R in them. Keeps the tree huggers off balance for a while. I run the BR9EYa's and have had no issues with them. The EYa's are a bit longer than the ES's.

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post #5 of 15 Old 01-11-2005, 03:42 PM
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Quote:
Originally posted by zrtjordan@Jan 11 2005, 04:14 PM
...also you siad you were fouling them right away did you gap them to the specs?
That brings up an interesting point. For myself, I've never really messed with gapping my plugs... always just screwed them in from the factory. (for the sleds anyway) What kind of differences have you seen from a new plug gap to factory spec?

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post #6 of 15 Old 01-11-2005, 04:21 PM
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May be you should just jet down a few sizes. Mine had 360's factory and now I have 320's . No problem. Another solution ,I have never tried it but a friend of mine does it all the time, put BR8ES in it . They burn hotter.

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post #7 of 15 Old 01-11-2005, 07:47 PM
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You'll need to fix the problem thats causing the fouling plugs. EYA's aren't magic , I have a big coffee can full of fouled ones. Now that its dialed in I'm running on plugs for a long time. I do still use the EYA's though.

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post #8 of 15 Old 01-11-2005, 08:31 PM
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All plugs need to be gapped. Rarely is a plug gapped to what you need. You may get a plug gapped real low like .008 or higher like .032. Obviously the difference in gap size equals a difference on how hot the spark due to the difference in spark size. If plugs foul with around 100 miles than the sled is too rich. I would make the carb adjustments or you'll keep replacing plugs.
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post #9 of 15 Old 01-11-2005, 08:49 PM
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Since were semi-on the the topic of plug gaps what is the gap spec for the ZRT 800?
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post #10 of 15 Old 01-11-2005, 09:26 PM
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not sure about the 800 but the 600 id think the gap is the same setting this is what my manual says for the zrt600 - 0.7mm or (0.028 in.)
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