Welcome; we are glad you joined us.
If the motorcycle looks like the one in the photograph below, the bike has a clone of a Honda engine.
Even if it's in excellent condition, I would only offer $500 for it.
Can you post a photograph of the bike? Does it run? Does the owner have a clean title? Is the bike damaged, or missing any parts?
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Spud
"Never argue with an idiot. He will drag you down to his level, and beat you with experience."
Mark Twain
2015 Zongshen ZS250GY-3 (RX3)
2006 Zongshen ZS200GY-2 (Sierra 200)
2005 Honda XR650L
2004 Honda CRF250X
1998 Kawasaki KDX220
Mods made to my Zongshen ZS200GY-2:
http://www.chinariders.net/showthread.php?t=6894