get an 06 if youcan but if you must get an 05. the 05 goes alright and is reliable but some can have problems ranging from complete electrical failure to variator problems and leaking fuel and 2 stroke oil. the warrenty covers all of it though. all other things being equal, derestricted they are the fastest 50cc class scooter out there mostly because of the high range of the variator/torque driver assembly, they have pretty sluggish acceleration until you hit about 60 clicks. mine will 127 kph with wind on my back with the \\