it s a 223 cc bored out to 229 if i'm not wrong, but they do sell them as "250". perhaps 230 would be more accurate. could it be like this one:
http://www.hooperimports.com/product...id=250Vertical
if so have a look at thumper talk for the CRF230 manual. it s too big for e-mail.
if they put a PZ30 on, that is a reasonable size for that motor i think.
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1971 Garelli Gulp 50cc with open ports and 16 mm Bing Carbie + 1980 Honda XL
223 ZS + 2007 Zongshen LZX200G + DR400SM