Depending on the year, horsepower, and modifications an R1 can reach 180+ mph. I 've heard of R1's doing 200mph with different sprocketsMy 07 R6 tops out stock at 187mph2005 R1 power commander,...
www.r1-forum.com
On this site you can find someone that can answer any questions you will ever have for your R1. I use the R6 for my bike and have never had something go unanswered.