Off Center Front Tire

[Easy Rider]

Originally Posted by patrick_777

Easy may be really onto something with the tank theory. It could be acting as an echo chamber (like whales have) that changes the pitch depending on fullness.

I don't normally have any body parts in contact with the tank but after hours of riding and an ever increasing butt cramp, one comes up with some.....unusual....riding positions. The tank does have some interesting vibrations at certain speeds. :biggrin: