Looks like a good Husky contingent in this one including at least a couple TE630 Rally bikes. http://www.merzougarally.com/?page_id=4029&lang=en http://www.merzougarally.com/wp-content/uploads/2012/10/ENTRY-LIST-MOTO1.pdf
Appears to be a side tank on one side with exhaust on the other. Hard to tell, doesn't look like it's running a low exhaust.