And don't leave gas in the generator when it isn't being used for a long time. There's a drain plug on the carb for a reason. It used to be you could buy a rebuild kit for the carbs, but anymore they only sell new carbs that are expensive and not commonly stocked.
I've had good luck with Sta-bil in the tank, but I always drain the carb or shut off the fuel and let it burn the remaining fuel off.
Everyone should be doing this regardless whether anything is about to happen or not.
Don't buy ethanol gas for the genny. It doesn't keep well.
And don't leave gas in the generator when it isn't being used for a long time. There's a drain plug on the carb for a reason. It used to be you could buy a rebuild kit for the carbs, but anymore they only sell new carbs that are expensive and not commonly stocked.
I've had good luck with Sta-bil in the tank, but I always drain the carb or shut off the fuel and let it burn the remaining fuel off.