pulls

I don't know if I imagining this, but I feel like my bike (2006, 35k mi) is working too hard, especially in lower gears, and off the start. It still pulls good, but sounds as it has to work harder/busier to get there. Has anyone experienced it?

Not that I'm looking to sell the Hot Raven Chick but the question goes out, what would you pay for her as is? Share your thoughts! Let me say that she will either leave us as a crash victim or be sold as is. I'm not into taking it all apart! With some level of certainty, I'm sure some wise...

Up until recently my bike was running vibration free, but lately I noticed that when approaching 7k it starting to vibrate and it continues all the way up. I can feel it on a bar, seat/tank, footpegs and engine guards. It's not terrible, but somewhat annoying. It pulls just as strong though, but...