OK, I am just looking for some possible help. I have been an OPE mechanic for nearly 50 years. I can't remember only one other engine that I couldn't make run, unless it was totally worn out or something. This one has me pretty stumped. It is a 3.5 Hp H35 on a small generator. I have known this engine for several years, and worked on it (ignition and carb work) Many times, as the owner leaves it outside often. It was in a flood this spring. As were several other engines of his. I got them all cleaned up and running without a problem. This one I put in new points, but not the condenser. It has good blue spark that will jump my small spark tester with a 150 thousands gap, and sometimes the tester with .250 gap. Knowing this engine for a long time, that is all the better the spark has ever been. The compression is excellent. The carburetor was trashed, so bought a new one on line. I even took it apart and made sure all the passages etc were open . Also new spark plug. Now- the best I can get is maybe 2 pops in a row. But not consistintly. I am ready to give up. Makes an old man want to pull out what hair he has left.