Here's a topic that touched on this for all quads.
http://www.glamisdunes.com/invision/index....c=82844&hl=I would think there would be less issues with the TRX250 since you don't have to worry about coolant. I would make sure the cap is on good and pinch the vent hose and you should be good to go. I would just let it sit for a little while before you start it once you get to your destination and have set it back down on all fours. I might have to do this with my son's if I don't sell my Full Throttle by the first desert trip.
BTW
What's the price that your getting from your dealer? I just picked one up for my son on Friday and paid $3936 out the door for an 07'.