I agree with nikki, if you are riding tight stuff (supercross/arenacross) it happens all the time, because you can still be sideways from accelerating out of the preceding corner. I have found that it works best to just pull back with your leg, and not worry to much about the landing, because once both tires hit, you will be strait again. just don't over-correct when you land or it can get ugly! ;)
i ahve also heard that that happens if your rear axel is not strait. Make sure the chain adjust bolt is the same length on both sides. And make sure you are strait coming out of the turns also, i broke my wrist that way. It was real muddy and i didn't get out of the turn strait when i hit the jump.
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last updated 02-25-01