Owned this '72 CB750 K2 since new. Went thru many modifications, drag and street racing mid 70's. Replaced the fiberglass gas tank (damaged by Californias MTBE) completely re-chromed about 5 years ago. R.C. Engineering 1000cc 1/4' stroke, Denco 4 into 1 exhaust.
Couple pictures of my 1928 Model...