this isn't quite the same thing but it is half the size of a real bike and was street legal. I picked it up for $800. The bike in the picture you have is a lot nicer and probably 10x more reliable.
125cc cbr replica

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Yellow Elise: Hardtop, PIAA fr-7 wheels.
Future Mods: CF Splitter, Side Scoops, stage II.
*If you are selling these parts PM me.
www.myspace.com/jasonp70s