Help on getting a new bike

[jlbreda]

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But all the YZR 250-A seem to be around 9,000 to 10,000 quai.

Are they really worth four times the price?

Gra.

That's exactly what I'm wondering.
What's a good price for this bikes, better, what's not a good price?
Taobao can be very deceiving, when you find so many different shops selling the same bike at different prices, and without any sales record for those bikes.
With engines I never heard of, it's difficult for one to decide.

ChinaV, thanks a lot for your advice, and hope we can meet to ride once I got my bike.