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06-18-2017, 09:58 AM
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#1 |
 Join Date: May 2017
Location: Norfolk, VA
Posts: 532
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Note that spark plugs are manufactured like anything else and there is a accepted failure rate. My work uses around 8000 spark plugs a day, and I know a few will get tossed in the scrap bins. Another side note is they are now made in China. Now, that does not mean quality went down. China can, and does, make good quality products. It depends on how much the manufacturer invest in training and quality control, and NGK is a major player who cares about quality. So dud plugs are a fact of life, and you happened to get one. At least you figured it out and got you bike running!
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06-18-2017, 12:21 PM
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#2 |
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Join Date: Dec 2014
Posts: 738
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When I lived in NH , I built many custom "choppers" & I had many bad electrical parts that were brand new but defective. Just because a part is "new" doesn't mean it is good. I built one bike that would not start. Not bragging but my engines always start! My confidence in my work made me backtrack & sure enough it was bad plugs. Unfortunately it's not uncommon.
  Irish 
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