I posted this in the F4i section and didn't get that much of a response, so I'll; go to the sourceI have an 05 f4i with two brothers slip on exhaust, and K and N air filter. I really like my bike, but I lust after the RR's looks and under the seat exhaust. I didn't get an RR because of comfort, but every time I see an RR, I wish that I would have got one. If I traded the F4i in, is there any way to make the ergos of the RR more like the F4i? Also, can you really tell the difference with the extra 10 horses?

 

It isn't just the hp differences that separate the two models of bike.

It's handling, weight distribution fore/aft, and things that you've already mentioned such as rider position and ergos.

I ride regularly with a rider who is far more experienced than I am. He and his 04 F4i ride with the front of the pack - way out in front of me and my 05 RR.

At the level of the F4i and RR, it's more about the rider than it is about the ride.