1973 Honda CB-750 K3 

 Acquired in 2008
I was always "sort of" looking for one, as my second bike was a new 1973
The Honda CB-750 was my favorite bike of all time!
I had my first one for over 22 years!
 
I have not had time to touch this one yet....
Except to install a set of Keihin 29mm CR Smoothbore Carbs.
Also have a Dyna 2000 Digital Performance Ignition and a pair of Dyna 2.2 Ohm Coils with Dyna Spark Plug Wires, but not installed yet.