Desert Problema!

We didnt realise that coastal Peru is just one big flippin desert!
So we were riding through a shingle road in the middle of nothing but wind swept sand and freezing wind when Craigs bike died... and I mean really wasnt goin anywhere!
We waved down a pickup, and met yet another prime example of exceptionally kind people! The guys on board helped us load on, then drove Craigs bike for about 7hours through the dessert to Lima. I was following, desperately trying not to lose them, as they raced along at 130ks per hour in the dark! There was one stop where they had to pay off some Policia for their excessive speeding habit! They shouted us dinner and dropped us where we were staying! And wouldent except a cent from us!
Today was spent between the internet and the tool box, as we worked to try and figure the problem... after stripping and reassembling a good part of the entire bike, we found it had skipped a couple of teeth on the cam timing chain.
This adjusted, it was away! And we are living in hope that theres not somthing more sinister that caused it to happen in the first place!