I had some time over the memorial weekend to trial fit the tank onto the bike. There is still a little work to do on the shape, but I am fairly pleased so far.
The main issues is apparent in the 2nd picture. The rear of the tank slopes down at a different angle than the original. The bottom of the two tanks are virtually identical, so I need to stretch the top rear back. The lower front of the tank needs to come back a bit too. I don't think it should be too difficult....