Here is my bike after me and my friend (CRF250R) went through a swampy field, this is after I removed handfuls of mud and grass from all of the bikes orifices! At this point we were about halfway through our 104km dirt journey that day, here is the track my friend made.
https://maps.google.com/maps/ms?msa=0&msid=201990116937007315976.0004c29fc8eb07583ab0f