Sporting wood's list is a good one. I would add baby wipes in a zip lock bag and some disposable gloves. As far as tires I ran a Mefo rear and tkc80 front. We did 1200 miles and maybe 100-150 were pavement and they held up great.
2007 KTM 990 SuperDuperEnduroR
2013 KTM 300 SX: converted into woods weapon