From info I've read, the licensed clone engines are pretty much Honda spec. If an assembly line is producing Hondas and clones, it wouldn't be very efficient to change component quality for the less expensive clones. I'd bet that we pay a fairly high premium to display the "Honda" badge even though the engine is built in China.
I also believe that the Chinese clones with the cast iron cylinder liner will probably be more durable than the aluminum bore domestic brands. The clone I have also has ball bearings on the crank and cam shafts. Not bushings. So that's also a good sign.
I was speaking to a hardware store owner today who sells small engines. He said that there are junk clones and excellent clones. Usually the outward appearance will have small details that will indicate how well/poorly they're made. Things like, irregular castings, sloppy sealing, poor paint, loose fasteners etc. are good indicators of bad quality. If it looks like it's well made, it probably is.
Now, despite the fact that this clone engine that I have seems to be a sweet little motor, I have an 11 h.p. Briggs on my Simplicity snow thrower that has really impressed me. It's a Snow Tek with the aluminum bore and I'm pleased with it's performance over the past two winters. It starts easily, runs strong, and doesn't use any oil even when flogged hard. For winter (cold weather/clean conditions) work, I think the aluminum bore will hold up fairly well.
My opinion of Briggs and Stratton has improved considerably since acquiring this machine two years ago. I've read that B&S do partial component assembly in China now. So, even the leading domestic small engine brand has put its good name in the hands of the Chinese to some extent.