by bwolfie » Wed Feb 16, 2011 5:55 am
Found this on the INOA yahoo user group. It's interesting. Looks like a 2 stroke twin.

1972 Norton Combat Commando 750, 208946
1973 Norton Commando 850, 301517, Cafe
Featherbead Project, Norley Cafe Monoshock
1975 Yamaha XS 650, 750 big bore kit, 2nd owner.
1977 Yamaha XS 360
Owner, Wolff Welding LLC, Franklin, WI