How do you know there's power to the coils? You should see 12V at the terminal with the orange wire when the ignition is on.
Check the plug caps are firmly screwed into the HT leads. On an older bike it's a good idea to trim 1/4" off the end of the HT lead to give clean metal for the plug cap to screw into.
What sequence of events led to this failure? i.e. have you been fiddling