I have an aftermarket master cylinder that is bad, I didn't buy it so I don't know where it came from. I got it on a bike that was given to me. By what I can see in your pic it looks like that.
I have this 80 1100 I just don't need. Runs good, rides, good brakes new timing belts, new tires, stator good, exhaust is of course shot. I have lots of parts to finish putting it together, whatever I have that is needed goes with it. Make offer and I'll consider it.
Southwest Arkansas
If you lean the bike on the side stand the sprocket will hang pretty close to the middle of the hole. Where do you live, could be someone is close by to give you a hand.
How do you have the test light connected? If it is so the light is supposed to come on when the points break then the wire is grounded out somewhere. Disconnect the wires from the points and connect the test light there then to the battery + and see what you have. The light should be on when the...
Sorry, I jumped in the middle of this without reading the original post. If the engine cranks there is no problem with the neutral diode, switch or any of that. First thing to suspect is the kill switch.