1977 Kz650c troubles

If the previous owner installed the Dyna coils backwards would that cause the same problem that I'm having which is irregular to almost non-existent starting

Also would a faulty break switch cause it to not start. My break light switches are bad. I got rid of those circuits just trying to get her to start. I figured if she starts I'll then spend what little money I have on new switches

All of the wires on the coils are too close to the earth post and can short down to earth, this is a common problem with dyna coils,
also are the dyna-s pickups wired to the right coils, the rear pickup is for 1 and 4 cylinders and the front is for 2 and 3.,
Once these are remedied if it still wont start you could also run a direct live from the battery to the live wire on the coils, in effect bypassing the harness and see if it will start off of the kick, if it starts the problem is elsewhere.
I can assume the valve clearances are correct, mechanical timing correct and fuel is getting to the cylinders.

Because I'm a lay person I'm a bit confused by your meaning in regards to all of the wires on the coils being too close to the Earth post. What is the earth post and which wire specifically from the coils. And any suggestions on the distance I should have between those items. Not to mention the coils being reversed was something that I thought could be a problem. It sounds to me like you may be confirming that?

As you can see in the picture if I'm sitting on the bike the coil on my right side has to primaries one is a yellow with red stripe and that I have connected to power the 12-volt the other is a green wire which I have that connected to the sea green wire from my Dyna s electronic ignition on the other side I have a yellow and red wire going to the power as well but I have a black wire and I have the black wire connected to the white wire that comes from the Dyna s. There are also two red wires coming from the Dyna s that are spliced together with a male bullet connector end I have those connecting to both yellow and red wires from the coils which Taps directly into the 12 volt. Please tell me if this is wrong also please tell me if the coil on the right hand side with green wire should be on the left hand side and vice versa

Sorry for all the photos I'm just trying to paint a picture what's going on

www.dynaonline.com/skins/downloads/instruct/DS2-1_2-2.pdf
Open this link and check out the wiring up instructions for the ignition system, the bolt that holds the coils to the frame is to close to the red and yellow and the black and green, always a problem, i cannot understand why dyna has never sorted that issue out, your coloured wires appeear to be on wrong also, here is a you-tube tutorial, it's for a kz thou but its the same for the 650s, if it was mine i would go back to stock coils as the dyna ones are renowned for cracking and don't make any marked difference to performance.

Cylinders are counted left to right as you sit on the bike.
The Kz650's came with the right coil firing cylinders 1 and 4.
The left coil fires 2 and 3.
(The big motor Kz's had the coil positions opposite.)
The physical location is not so important, but making it conform to the stock layout might reduce confusion when troubleshooting.

The 1-4 coil had a black wire, which appears to be a white wire with black heat shrink tube on the Dyna S.
The 2-3 coil had a green wire, which appears to be a black wire with green heat shrink tube on the Dyna S.

If the bike ran for any length of time on four cylinders, or even two, then the wires must be connected correctly, or possibly the wires are opposite and the rotor is 180 degrees out. If it is running with the rotor 180 degrees out, then it would probably be better to put it back to the correct layout, just for easier troubleshooting.

As mentioned, the rear pickup is for 1-4 and the front pickup is for 2-3.