Welcome to the website dedicated to unique, one of a kind, and custom made four-stroke motocross bikes from the evolution era. This website is also dedicated to the companies and people that had the vision of four-strokes being competitive in the motocross world. Without these early pioneers, the motocross industry would not be where it is today.
Check back for new photos. If you want to see your own evolution thumper photo posted, send a photo, some info about your thumper, and your name to emailus@thumperpilot.com.
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A very nicely restored 420 Honda thumper sent in by Stephane Tirot of France.
July 28, 2007 - We have many new photos posted for your enjoyment!
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