Quote:
Originally posted by VaSteve
At idle the engine in my 2 year old Honda powered mover is surging something fierce.
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Lawnmower guy here...
The carb is probably plugged up a bit, which causes the engine to run lean, which causes the the engine speed to fall off, and the governor forces the carb to open more, thus the surge cycle begins.
Solution? Clean/rebuild the carb, or buy a new one. If you'll reply with the frame and engine serial numbers, I can get you a price on a new carb. For many Honda mowers, the carbs are cheap enough to simply replace, and easy, bolt-on job.