With the Chondas, the Chinese only faithfully copy the core of the engine.
They do their own [i.e. cheap-out to the max] thing with the peripheral bits, and those are the weak points on those engines. However, the Chinese Ruixing carbies are fairly faithful copies of the Keihin's that Honda fits, at least externally.
So you'd do best to order a genuine Honda rod/link, to get the right length, I'd say.
There are US websites like ereplacementparts.com where you can look up the part number/s, and they often have actual pics of the parts.
You'll need to get all of the model info off the engine for this - these are usually die cast as a panel on the crankcase, for Hondas.
