Hey guys. My name is Dave and i´m 47 years old and getting back into riding after a few years away. I´ve had 600´s in the past and a friend of mine has a ZX-9r for sale with 4700 miles for $5100. I´m seriously interested in the bike but wonder if it´s to much for me. I´m no stranger to speed as i drag race a 700 hp 2700 lb. car. As we all know a low 10, high 9 second car feels nothing like a comparable bike. Any input would be greatly appreciated.