Post up where you are / where the frame is coming from... someone here will know the law.. or you can google it! Worth it? Depends on price / condition / risk your willing to take.. If it doesn't show as stolen in your state.. you should be ok.. I'd do a little more checking though..
'06 TRX450ER, '03 XR400r, '04 CRF450r, '05 CRF250r, '06 CBR1000RR (StreetFighter), 07 GSX-R750, '71 CB500, '75 CL360 (Honda Scrambler), '81 Virago XV750 (the 110 Bike).
06 Black TRX450ER (Conv to kicker) "Medium" Big bore! Quikshrk (OCP), Demon, REAZ bits.