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Has anyone tried BR9EYA plugs in a 1999 Grand Touring 800? Have heard so many people say that they are great plugs, but the manual specs BR9ES, which I have always found to be prone to fouling. I was going to just put the EYAs in a see how it runs, but then noticed that the electrode on the EYA sticks down further than the ES. If anyone has ever had a piston hit the plug, I would like to know about it, I will just go ahead and switch to BR9EV instead, which have always worked well for me in other ski-doo sleds.

Thanks for any input.
 

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They are the anti fouling design I've used them in my 98 GT 500 LC without any problems didn't make any difference but still worked. I'm putting a set of of the Iridium plugs from NGK there are the BR9EIX
 
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