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Did you get the linkage from the governor to the throttle hooked up properly after you cleaned the carb? One possibility is that something is binding in either the linkage or the throttle mechanism and the governor can't open the throttle far enough to carry any load. Is there a high-speed mixture screw on the carburetor? If that's not set properly, the engine can get enough fuel to run great with no load, but not enough fuel to keep the engine speed up under load. Check for proper throttle movement. With the engine off, the governor should be holding the throttle all the way open. Once the engine starts, the throttle should close most of the way, just open enough to keep the engine turning at the proper speed. When you apply a load, the throttle should open progressively as the load increases. Put a heavy load on the generator that won't be damaged by variations in voltage and frequency, such as an electric heater. With the generator loaded, can you manually push the throttle open enough to bring the engine speed (and generator output voltage) back up to where its supposed to be? If you can, sounds like a governor problem. If you can't, then its likely a carburetor adjustment or fuel delivery problem. Keith
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