ok ,here we go. at first 2 disclaimers, 1 . i live at attutide of 4350 ft ,this will take at least 1 hp away. 2 . im 5'11' and weigh 260 lbs. more hp loss. tues, i did service on bike .600 miles. wed i rode 100 miles up in mountains. thur-today i rode 210 miles. scooter club goes to lunch every thur. its 70 miles to the town they start from. onway over i cruised at 7000 rpm which was between 54-58 mph. on a nice level spot i opened him up. i saw 8000rpm and speed was steady at 65 mph. so for me that is top speed at 700 miles. i didnt try to go over 8000 rpm. anyhow thats my story. love this bike buy for long rides i will take my burgman 400 with a large wind shield , seat back rest and cruises at 75 all day long. so there,im done. hope you enjoy my story,thanks ike. ps mpg so far is between 83-86. really good on highway. see,yea