Well, I don’t know your abilities or determination, and taking a lot of parts off the bike isn’t evidence of any one way or the other. It looks to be a ‘78, a “Standard” although that name wasn’t used officially in 1978 as there wasn’t any other models yet.
Under the radiator is a 17mm cap hiding a 17mm bolt attached the crankshaft, try turning it clockwise to determine if the engine will rotate. If you drain the oil save it for close inspection. Don’t throw away the spring and washer with the oil filter, save the filter and oil for closer inspection too. Look to buy a used wire harness, someone else may be able to tell you if other years and models are the same. You’re in for a big and likely costly project, only you can decide if that’s what you want. Folks here can be a great help if you take our individual idiosyncrasies with a grain of salt. Your coarse language won’t earn you any extra points here, just say’in. Good luck!