I'm going to stay away from the 'Busa - ZX14' arguments. Let the magazines rail on. :assassin:
No, you're not too old. I'm 56. I think it all comes down to attitude and physical health. Forget mental health. We're all nuts anyway! :yahoo:
Take both of them for a ride. See which one is more comfortable. Subjective styling aside, I believe that taller folks will like the 'Busa better.
On my ZX14: I am 5'9" with a 30" inseam ... and that start to get towards 29" when I put my padded bikewear and leathers on. I can almost sit flatfooted with jeans on, however, when suited up, I'm basically almost on my tippy-toes. I usually shift to one side or the other for at least one planted foot.
I have 3 windscreens: the stock one, a Sporttech mirrored one, and a Kawasaki touring shield. I'm also ordering a Zero Gravity Sports Touring screen.
I also had risers installed.
Either bike you decide on... if you decide to crank the throttle.... you'd better hang on! Gobs of sheer HP & torque.
As far as sports-touring? I'm seriously thinking of selling the FJR after NAFO and purchase a BMW GS model. I want to explore the billions of miles of forest road in my region as well as tour more of the U.S. and Canada. I think the ZX14 in touring mode can take up some of the rapid-transit touring that I currently do on my FJR.
I believe you will be happy with whatever you decide.
By the way, if anyone in my area would like a demo on a ZX14, contact me. Or just motor in to Monroe Motorsports and see Aaron or Nathan. They'll fix you up.