{Kawasaki 2014 trans mule 4x4} was in 4x4 going down a hill very slow because of wash outs got to bottom and on level ground took out of 4x4 and started to proceed when white smoke poured out of exhaust
white smoke would usually mean you have coolant that entered the combustion chamber or water for that matter. Since you said washouts, did you maybe some in some water into the intake? Have you posted this as a new topic in the forum?