Eddie and Duffy, how, where and what are you gents attaching the horn too? I have mine mounted on the exterior on the other side at this time, being attached to the unused bolt slot that would held the ABS modulator if my '09 had ABS. I used a bracket that sort of "cantilevers" the horn. I have a Stebal, and the only accommodation to affix this is an odd open bolt seat which I am sure is the same design you have on the WOLO. Since I am fearful that vibration will eventually cause the single bolt, with rubber washers and lock nuts to eventually loosen, I further secure mine with some plastic coated wire around the frame, and created a small foam seat wraped in black duct tape for the horn to rest on.
I want to put mine under the left fairing as you have done, but was not sure how to secure it in that area. Please give me you solution(s).
2009 Versys (Mine's Green)