
Hi Bullmax and welcome on board.
We have had one another XTZ-owning forum member from Japan going by the name of marques. He hasn't been around for a bit as he swapped his Z for a WR about a year ago, but I'm sure he'd reply to a PM if you needed any advice about owning/buying parts for a Tenere in Japan.
Here was his introductory thread in the newbies section:
http://www.xt660.com/showthread.php?t=20690