If the bars were loose and tilted to one side then more than likely the bolt accessible from the bottom of the tunnel is loose. Try it.
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There are 2 places to tighten the VSB bars up at. One is at the steering brace, there are 2 nyloc nuts that can be adjusted. The other place is on the bottom of the tunnel just ahead of the track. Flip the sled up on its side and you will see the nyloc nut. BTW the one under my sled came loose with 40 miles on it. One other person posted the same earlier in the year. Procedure only takes a minute or two. I have rolled my sled and had no problems so far.