Jim..... ...engine speed is ultimately determined by the relationship between load (plowing, going up hill) and throttle opening (power as available by condition of engine, air/fuel mixture, ignition timing) And you're right, the governor trys to balance the required engine power as determined by the balls by opening the carb throttle. The governor does NOT adjust the carb fuel/air mixture, just the carb air throttle which will suck more gas (power) outta the carb jet. But if the fuel/air mixture was incorrect, sucking more gas is still gonnna leave you with a lean (less powerfull) mixture. That is why N-Carb has adjustable mainjet (power) and a governor, and why your automobile carb has a fixed mainjet and an adjustable foot operated throttle. (your foot is the governor) The governor does NOT adjust the sparkie timing, the distributor's centrifical advance does that. And trust me, you really don't want to plow or mow by using a foot operated throttle..... ..Dell
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