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Pics from ebay ['16 TU250] http://www.ebay.com/itm/263049794148 & taobao [QM250] https://item.taobao.com/item.htm?id=549190842298 shows it's a 112L. Honda Falcon /XR400/ CB400SS... | Yamaha FZR250......

in km http://www.mychinamoto.com/forums/showthread.php?1911&p=30135&viewfull=1#post30135

Carb still legal in 国3 (Stricter than Euro 3 / i.e. not easily scammed as EEC bike that sold in Europe : Added fuel evaporative limit just like CARB in US/ Random test the new bike in market...

the official "trademark" site can almost find ANY product that already registered in China. After found out who owns the trademark from the db, the "google"/ "baidu" part is quite easy.

The "Kingstone" (Trademark #3885182 @ CTMO) is made by Sicuan Yuanxing Rubber Co., Ltd