Thanks everyone! We got it done, got a shiney new 116 linke gold chain on my baby with new sprockets front and back. But in the process learned my brakes on the back are paper thin so those are in need of replacing sooner than not but, that job is easy enough that i wont need assistance. Thank yall for all the advice and the information. Oh and the Alan bolt holding on teh speed sensor thingy, Was just way over torqued, the Drive shaft and all the rest while a bit rusty / dusty were in good shape.
There should be a motorcycle skills lab somewhere to learn all this type of stuff!