What year is this Yamaha?

[Luke G]

http://smg.photobucket.com/albums/v230/Ghost_Knight001/?action=view&current=SANY1544.jpg
http://smg.photobucket.com/albums/v230/Ghost_Knight001/?action=view&current=SANY1542.jpg
Im pretty sure its a YZ250, but im not too sure what year it is, if anyone could tell me, it'd be a big help

[trey98607]

That look rather old, I would have to say that is in the 1968 era.