What's the angle here? Do you want to buy a non-US spec bike now and then bring it back to the States? Forget about it, not worth the time and effort even if it would be possible.
Can't you buy a US spec bike there and simply run it on US plates?
Proud member of the HUSABERG ADVENTURE TEAM!
12 690 Enduro-R, 12 Husaberg FE570, 09 KTM XC-F/ 450 RFS hybrid, 07 KTM 450 SMR, 09 BMW F650GS twin/F800GS hybrid, 03+05 YZF-R6