I have mine wired this way with well over 1000 miles. It is also the way the instructions said to wire it up from Grubee. I dont think it matters which way it is wired, as I have seen both, but if you want to connect a light to the white wire you might want to hook the kill switch to the blue.i put my kill switch from the frame w/ one wire and the other to the white wire seems to work fine is there a problem w/ doing it that way?
I know what ya mean about tearing up a coil...I couldn't stand it any longer; so a month ago I destroyed one. I had to go back and get my numbers from another post.now that I kind of know how may turns on that coil is the white wire wound on first? and is the wire the same size in dia. as the rest of the windings?
I have an extra coil but couldn't bring myself to tearing it up to find out how many turns etc.
Did you find any type of trigger in the coil windings? something has to trigger the cdi.
I can put a timing light on the ignition and see that the timing will change with rpms I have not got too involved with it as I'm not that excited about changing these engines anymore than I've already done. We need a good reliable easy starting and good pulling engine to keep with the letter of the law in most places it should not go more than 20 mph. mine will all exceed that so I've used a gps and watched how fast and what sound is comming out of the bike to know if I'm speeding or not.
But hotrodding is in almost all of us, got to make it faster! I've heard the saying if two guys had a snail in their pocket by the end of the day they would be racing them.I'm rambling so I quit.