Id love to get some opinions from everyone, especially Scotto... With reguards to a 4 stroke engine..... I see a lot of people opt for a 79 cc to 212 cc Harbor Freight style engine, then add a jackshaft, clutch, etc, and stuff it into a frame.... Why go through all the modifying and using different componets such as jackshaft and clutch, when another option would be to use a Honda clone that is available anywhere from 49cc up to 250cc . The Honda clone has the cylinder pointing forward, which would be the only bad thing I can think of, as the frame would generally have to be stretched to make it fit. But the pros would be that the engine is made for a 2 wheeler . They come in a variety of transmissions already built in...single speeds, automatics, and even 3 speed manuals. Seems like they would be a more logical choice, but very seldom do I ever see anyone utilizing them. Any thoughts would be appreciated!