have you tried bump starting it with a friend?? No its probably not good for the engine if you do it alot, but it will help you figure out if its will start. If it does start, ride it for 30 minutes, and then park it where you want it, turn it off, sand try to restart. This will help to see if its charging itself.
Also you should try to touch the wire from the relay to the battery. Make sure its in neutral, and the bike is on. It should start. That bypasses the Relay. If it doesn't start its either the battery,a fuse, or starter motor (I believe).
I could fish the relay out near the left side plastics, without taking off the plastics. But if you do have to remove the plastics on the rear it really is simple. I have done it a few times already to figure out my starting issue. BTW there is a 30AMP fuse in the relay you should check.