I have searched all over this site for additional tanks for the KTM 640 Adventure and come up with next to nothing. The 660 Rallye tanks would be great but KTM won't let Acerbis sell them to anyone else and KTM won't sell them to mortals (the dogs).
Someone also mentioned a tank that sits on the rear rack but I dont like the sound of all that weight up there. Then I came across this:
What the heck is that/are those tanks on the back of that bike???
Anyone read german? The online translators shred that page...
Best I can tell is the tank/s may be from here: