The little Chinese engines built for bicycles do for the most part, impress me. Also, some of the Chinese mini ATV's and motorcycles with the Honda clone engines seem to run strong and last. However, I've bought a few of the Chinese built 4 stroke horizontal shaft 4-8 HP engines from various suppliers and have had absolutely no luck with them. I'm reffering to the type of engines you would use on a garden tiller or water pump (I have noticed some interest lately from people wanting to mount such engines on bicycles). The ones I've bought were Honda clones and Yamaha clones. The governors seem to be a big problem as well as the carburetors.......and half the bolts are not tight. Has anyone out there had any luck with these engines? I don't think I'll buy anymore of them...even though they are way less money than a Briggs, Kohler, Tecumseh or Honda.