A 2001 Heritage Softail Classic is a new bike for me, but so is a BAD vibration !!! I have no tach, so I don't know the RPM range where it starts, but I can say, for instance, it becomes most noticeable above 40 in 4th gear. It's really in all gears, but about that RPM, and easily detected upon mild accelleration. And at 50, really shakin'. I don't know if it goes away after the revs are higher, or is masked by them. I've only had the bike for 1 month, and the shop I bought it from insists I need to get used to riding a Harley, but this vibration was not there a month ago. I'd like to nip this problem in the bud, if it is indeed a problem. Do I need a second opinion ? Or should I "Just ride it", as I was told to do ???