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,...
fast Depends on the year, my stock 06 R1 has 150 rear wheel sae horsepower with about 73Ft lbs of torque with a top speed of around 189 mph and only weighs about 383 lbs. You do the math lol. Hope...
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.