I'm 17 and was quoted ~$700 a year. Of course this is on a ninja 500 which they don't classify as a sport bike,, though I don't know when I'll get one, the new ones look like crap.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15