OK, that was quick, here's the initial measurements:
She said: The side mounting bolts, center to center, are "about" 9½ inches apart (front to back). The fender is 8¾ inches wide at the bottom (side to side). Where the luggage rack and sissy bar are connected it is 9½ inches wide on the inside.
Take your tape measure out to your bike and see how this lines up with ours.

A word to the wise is not necessary. It is the stupid ones who need the advice. Pat