http://youtu.be/LqrSkg0TbNg
The XR1500!
I prefer an R1 offroad.
http://www.youtube.com/watch?v=A0d3B7MPqUg&feature=related
Top comment: "You ever take that thing off any sweet jumps?" 
Wait, what? Offroad Gold Wing?
Yet another thing I need to build I didn't know existed before today...
GSXR Enduro:
http://www.topspeed.com/motorcycles/motorcycle-news/suzuki-gsx-r-1100-dirt-bike-ar72909.html