great choice .600s are very manageable when kept low in revs even docile,its when u rev them up that you gotta be careful.I am a firm believer that if u are responsible u can hop on any factory motorcycle as long as u have a healthy respect for the machine.keep the revs low antil u get used to it and the biggest thingWATCH OUT FOR OTHER PEOPLE! u will notice lots that cars dont give much respect to bikes...u have to be ready to get outta the way...