I'm not sure if this is a Ski-Doo issue, an Expedition issue, or a Pilot 7.4 issue. But this sled is a foul handling beast in a crust like I was on yesterday. This is me with a death grip on the bars and gripping the tunnel with my legs trying to keep from being tossed off. Not fun. I thought this sled was better than the XU with DS2s but after yesterday I'm not sure there is much difference.
It could be all sleds would have been unpleasant in these conditions. But there seems to be a fundamental geometry problem maybe in the relationship between the front end and the skis of these sleds. The crust is grabbing the ski ahead of the spindle and turning it very easily is what it feels like.