Here is my video link on youtube. There are many cool snipits to view.
Try not to get locked up for to long though and please stop back here again sometime...
http://www.youtube.com/user/trevorvines
Take a look at some of my favorites here as well.
Especially the 2 stroke race from Ohio International Raceway and Pit Bike racing at TV Land, the GP race footage is definitely worth a look as well.
This is a riot too.
First lap of the TV Land GP race.
http://vids.myspace.com/index.cfm?fuseaction=vids.individual&videoid=44572788