I did some searching around on the forum and didn't really see anything that sounded similar, so here is my issue. While driving through the parking lot at work today with just a little throttle I could feel a vibration in the foot pegs. Would go away when throttle released. Felt like maybe something dragging in the back end. Put the bike up on the center stand and rolled the rear tire and tried side movement as well. I did have the rear wheel off last Friday but did not notice anything amiss.