This is a bit of a curve ball. There's advertising it's a 230cc, a 223cc, a 250cc and a 200cc. Obviously it's really a 223cc single and being Jialing it could be an engine taken from Honda genuine blueprints, as I believe Honda do have one in this size adn Jialing have a joint venture with Honda for generators and other household products. Also Jialing have a solid reputation as far as Chinabikes go, and price is very tempting, saving 10,000 is a fair bit of money. If these are exported and there are good reviews, then put it on the maybe list, but remember being 223cc it's 3KW down on the YBR250, and each kw at this engine size makes a big difference, and that's where some of the price difference has gone.

Also another point in favor of a drum brake on the rear of a small bike is that it is protected from mud, dust and water at least partially. Dirty roads with cheap pads and disks can often lead to pad and disk contamination or sometimes rub.