Onan gen stalls on rough roads?
This is a weird one. 5 kW model HGJAB, that's the carbureted one. Gasoline. Runs perfect in camp or on smooth roads. Occasionally stalls or (I think) stumbles only when on a rough road e.g. constructi...
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I had a 47.5 HP Wisconsin do this on me and a stronger float counter-spring fixed the problem. Or you can remove the existing spring and pull it longer to make it stiffer.
