"Or ship it back to the US "
You may need to be careful, this is potentially very expensive.
If its not a US version bike then it very likely does not meet the stricter US emissions/safety standards and the Department of the Environment won't let you bring it in as a permanent import without having the bike converted.
DOE advises potential importers to call the manufacturers US representative to find out if the bike meets US requirements.
Good luck,
Brian