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Fouled plugs on a 2011 tnt carb,the plugs are ngk br10ecs.Guy at auto zone cross refranced the plug to autolite4051.Will these be ok,any help want to ridetomorrow.thank you p.s. its a 600 carb.
 

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If you want the holy grail, go straight for the BR9ECSIX. It's a fine wire iridium electrode that you will pay more than you think you should for, but have a very hard time fouling.
 

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Try a set of BR9EYA plugs. They cost about 0.50Cents more than the standard BR9ES plug but are less prone to fouling. They were developed for some Arctic Cat sleds that had fouling issues and these were the cure.
I use them all the time.
And make sure you gap your plugs to 0.018" which is per specification. It makes a difference.
 
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