My earlier comment, about the vin range of bike, i included the seat as an example of later type parts, what i was trying to say - most of the parts on the bike are later type parts, what we could expect to see. This bike does not have the earlier type parts we'd expect to see on vins under around 302, such as smooth oil lines, long choke arm, 19 liter tank, 11 hole seat, etc.
Seat on this bike is 17 hole, later type and i believe original to bike.