Bummer that you had an issue and you are so upset. I have 35K miles on my bike and for the most part it has been trouble free. I have put plenty of Mexican gas through the bike.
It did leave me stranded in Mexico at one point and I had to get the bike trailered back to the US dealer which was a PITA. My issue turned out to be a bad fuel pump at 20K miles.
I would bet that you can push through this with some persistence.
08 KTM990 ADV/ABS Black
09 KTM 530 EXC
2014 KTM 500EXC
dirtdiver screwed with this post 01-16-2014 at 11:14 AM