Don't worry, the bike was just fine...and so was I.

2003 KX250 after Lebanon, Missouri hare scramble in March 2004.

The results of a 3" diameter tree branch contacting the pipe and radiator at 35 mph:
Partially vented pants.
After smashing the pipe and the radiator, the tree branch then
ripped a huge hole in my pants (ass remained intact).
Here's how it looked after
Myler's worked their magic.
Not pretty, but effective.
Point of impact -->
Tree limb hit here -->
<---- Pinched radiator hose