Head spacing is the same, if the exhaust is for a D model (SR) the rear mounts will be different than going on a B or C model. Other than that no problems.
09 Kawasaki ER6n
77 kz650b1 cafe rebirth project
"Being shot out of a cannon will always be better than being squeezed out of a tube, that's why God made fast motorcycles..."
Dr. Hunter S. Thompson
Omaha NE
