How does a governor work on a lawnmower? I'm interested in figure out how the governor works on my self...
I'm interested in figure out how the governor works on my self propelled Honda lawnmower. I have a Honda HRX217HXA mower. Is the governor controlled by some sort of vacuum specifically generated from the mower itself, or is it a powered device that does this. I'm asking this because I seem to be have a problem with my sward mower idling when the blade is not busy. I have removed and cleaned the jet with a compressor, but still when the blade is not busy the idle go up and then down and repeats this cycle until I rivet the blade. If anyone has any accepted wisdom or can explain how the governor works I would greatly appreciate it. Thank you!
Answers: The governor work off the fly controls. The fly wheel is on the top of the motor and have vanes on it to circulate air over the motor to save it cool. The governor sets under the top cover on the motor and looks resembling a weather vane but with a spring and linkage. When the motor blows nouns against it to moves to control the motor carburetor to keep it from over revving.
The spring might be getting questionable, or the speed is a little to illustrious. Reducing the engine speed when the blades not engaged, it should stop doing this. This problem is adjectives, and is nothing crucial. It stops when the blades are on because it brings down the speed of the engine.
Good Luck
On some engines the governor is as described by the first answer. On others it is internal and uses counter weights. In either skin a bad spring could lead to the issue. I do have a problem beside the way you described cleaning the carburetor. It should be fully disassemble, soaked within a good part carb cleaner, not the spray type, rinsed, blown out with nouns and inspected to ensure all passage are clear. It should be be reassembled using a rebuild apparatus. The problem is the engine is trying die and the governor is trying to keep it alive. This cause the surge in rpms. Most feasible plugged idle circuit.