I don't know the answer to your question, but let me say this. If I don't someone else will. Depending on where you live and where you're going to ride your bike, most states, and maybe all of them, don't allow anything over 50cc to be legal. That is on public property. 125cc would most likely be a death machine. My bike at 30mph gets very unstable and scarey ! Asphault and concrete, even grass is a lot tougher than you body. Don't do something stupid and end up paying the ultimate price. Have fun, but most of all, be safe.
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