You are correct of course. And I did bend it closer just a smidge. And I also di lectric greased connections to the spark box brain, freshened grounds etc. So clearly as mud I can say "I fixed it" with little certainty what actually I fixed. Sometimes Luck beats good.
Spark box good. Found out it was the ignition pulse generator. Ordered a new one. While waiting for it's delivery a fellow mech. suggested cleaning it as he had had some success doing so. I did and BINGO! All is well. Now I have a new one hanging in the spares bin. There was a bit more oil...
I've got an 2003 CB750SC that I bought new in 2004. It's got 64,000 trouble free miles and I've been riding it almost daily since new. I've owned many bikes and have been riding continuously since 1969 and am pretty familiar with motorcycle mechanics in general. I've done all service...