I just took a good 10 mile moderate speed road ride in turf mode. I was planning to change the diff fluids for the first time so I wanted to get the diffs warmed up good before draining. When I got back and ready to start the draining I felt each diff and the front was barely warm compared to the rear diff being not hot but being quite a bit warmer. So being that my normal riding is 99% in turf or 2 wheel drive, do I really only need to do the rear diff? There must not be much going on in the front diff in turf or 2 wheel drive mode so that it doesn't even get warmed up much.