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Here's the rear tire. It's nice to see that somebody actually gets the most out of a motocross tire before they change it. I think this one went about 170 miles...
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doesn't look like it'd go much further.
To the right of the JCR bike you can see a neat little Honda 125 Road racer, a spec bike built by Moriwaki (I think). I couldn't see the engine but I assume it's a 4 stroke.