i was at the badlands this past weekend and the dumbest thing happened to me on my 400ex. this is how it happened, me and my buddies where at the top of this huge hill and one of my buddies was gonna come up it. so i throw my 400ex in nuetral and run up there cause i wanna see him come up this like strait up and down hill on his LT 250R and i get to the top and i look back and my 400ex is rolling down the hill at like 25 mph going strait for a tree. so i run at it like the fastest i've ever ran but i didnt catch it and it hit the tree. luckily it hit the tire and only bent the rim or else i could have been buying some new a-arms. also when we ran to get my 400ex my buddy rolled down the hill and broke his helmet cause he landed on rocks going down the hill. lol it sucked