I have a signal generator (which i thought was called points) and what I thought was an ignitor, but the manual calls a transistor unit. The bike is a 1980 gs1100 16v, if that helps.
pg11-1
http://www.mtsac.edu/~cliff/storage/gs/80-83_GS1100T-LT-EX-1000SZ-EZ-SD-ED-ESD.pdf
Does this sound like a problem that a new Dyna S Ignition would solve? There is a store about 100mi away with one in stock. I could pick it up saturday and be on the road this weekend.
you have two options:
I think that older bike has an Ignitor in a metal can and it is not potted. You can try and take a soldering iron with solder and reflow the solder joints on the back. You take off the can to access the back of the board. Do this with the connector unplugged and off the bike.
On these older electronics, it is the solder joints that can break due to stress of vibration and fleure of the PCB. You juts go over each through hole solder jopint and reflow it. Takes about 15 minutes and put it pack in.
Other wise go get the Dyna S. But I would also do a Coil relay Mod as that seems to really help the bigger bikes especially the 1100's.