[Spark plugs] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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Spark plugs
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Posted by: Iliketogofast

I'm using an NGK BR9ES, I don't get very good throttle response & it fowls if you don't haul *** & chop when you turn it off (It died today going down the road at 1/2 throttle, had to push it home and change the plug). BR8's fowled all the time, too. Should I move to a BR7ES, and do those even work? Also, I'm not even positive that the spark plug is the problem here. Anybody?

Posted by: beerock

quote:
Originally posted by Iliketogofast
I'm using an NGK BR9ES, I don't get very good throttle response & it fowls if you don't haul *** & chop when you turn it off (It died today going down the road at 1/2 throttle, had to push it home and change the plug). BR8's fowled all the time, too. Should I move to a BR7ES, and do those even work? Also, I'm not even positive that the spark plug is the problem here. Anybody?

no use a br8es and jet the bike properly the plug isnt fouling its not jetted right...

whatever jet your running go down 1 size or maybe even two