Good price on the generator.
The other day I picked up my gasket kit for the carb and asked the service guy if it was necessary to adjust for altitude. He said most people don't and as I thought, if you go up your ok, but if you have it adjusted for high altitude and then go down, it can run too hot and MIGHT cause damage.
I know from personal experience, I have camped up to around 10K a few times and never had a problem running the generator. And living out here in the mountain state, you an go higher and lower than 6K on the same trip. I live at approx. 4400 feet, and I can easily top 6K in less than two hours to some great camping areas. So, if I was to switch every time I went up and down; I'd wear out the carb bolts.
Also, as I found out, when you rebuild the carb, the o-ring on the fuel bowl is not reusable as Honda states (at least in my case). Thus, a trip to order a new gasket/o-ring kit.
And, don't believe Honda's statement about for under 6 month storage to just run the fuel dry (assuming you are running a fuel stabilizer). After two years of doing that, the main jet was basically plugged due to varnish buildup.
Honda's Manual for 2-6 months storage:
Fill with fresh gasoline and add gasoline
conditioner *. Run the engine for 10 minutes
to use up the non-treated gasoline.
Or drain the gasoline.
You need to not only run the fuel out, you also need to drain the fuel bowl; which takes about another two minutes.