Ngk spark plug gap?

David Lindsley

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3:11 AM
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Jan 18, 2012
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I see lost of thing ,of what plug to use but ,i would like to know what is the (gap size) for them? need to know for NGK Plug BP8HS ?
 
larger gaps resist fouling better and have an easier time igniting large amounts of fuel
 
I run them at .032"

In short, the biggest gab you can get and still get a spark.
 
I know this is a old thread but it's still helpful. I just wanted to comment that I am using a NGK. in a Zeda with a speed carburetor and a 40 tooth sprocket. I had it gaped at .028. and it ran okay. In a video the guy says .035 on the high end. And in this thread, some commented saying around .030 to .035, some say even more.
So I gaped mine at .035 to see how it would preform. And I'm telling you it really perked this engine up. I had to readjust me throttle setting. Anyway it worked out for me!! In the past this bike had top out at 40 mph. And now I think I can get more.
One other thing, each of us has their own bike style and set up so that's where your judgement and feel come in. Good Luck~
 
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