Just to add one more tid bit to the correct answers......When the coil fires the voltage IS NOT instantaneously at say 10,000 volts, it begins to ramp up until its high enough so current can arc jump the open NON conductive plug gap HOWEVER if theres a conductive path due to oil or carbon (fouling) the coil starts to conduct current and thus expends its energy and never rises up to the high voltage to arc the gap. When you introduce that added extra gap current cant flow through the oil/carbon so the voltage does rise until POW it fires the plug.
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Today's Featured Article - Product Review: Kreem Brand Fuel Tank Liner - by Staff. This condition has occurred on a few machines that we have had and fortunately we were able to borrow the technique used at the local motorcycle shop. The product that we have used is called Kreem thouh there are others on the market, this one was recommended and available. This particular product is sold in three parts, a bottle of etch, dryer, and sealer. We were fortunate enough to start the process with stern warnings from those that had used this type of product before. The horror
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