Wow, that is a great looking bike! Congratulations on your find. Those are interesting shorty pipes. If you run with the hard bags do you run the risk of exposing the plastic to high exhaust temp? The right bag on my R90/6 has a nice little 3x5 hole in the bottom of it where it nestled on the exhaust.
I use Boxers by Bruce (Davidson) in Pantego, TX for mechanical repairs beyond my fairly limited skills. Of course there is always Perry's Motorcycles and Sidecars in Texas should you choose. I do get my insurance through that shop.