1) The FX 8350 is KNOWN to be an extremely hot CPU. But, 85 is WAY TOO HIGH. Buy a Noctua NH D14 or D15 cooler and get some GELID thermal paste and watch those numbers drop.
2) If u want a temporary fix, take the CPU Cooler out, and buy the best thermal paste on the market (Gelid Extreme works wonders) and then if its still bad, make sure the heatsink is big enough (Stock ones usually suck, I use a bequiet dark rock pro 3), but also make surer ur fans arent blowing the wrong way in roder to restrict airflow in ur system.