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579 Posts
Discussion Starter #1 (Edited)
I found tonight that I was using last years ethanol gas for the cutting season and that gas only has a shelf life of 2 months. Then I found a spark plug and tested it and found that the spark is very weak. I am surprised that it cranks at all but it does and runs well when it cranks.

Since I have already done the coil mod I will replace the coil wires and spark plugs.

It is producing around 13 volts at idle and probably more with higher rpm's but I need another hand to find that out.

I did notice the rear spark plug had carbon on it and was wet and this was after it wouldn't crank again.. The front looks good!
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