It is designed for saltwater use. The engine seems to be as saltwater resistant as any other outboard
I've seen. I haven't had enough time playing with one to give you a definitive answer on that.
Are you thinking of running it on the little one pound bottles or a seperate tank? The little one pound bottles are made of steel
and will rust in long term storage
unless you take precautions. They are also an expensive way to run it. If you're going to use a seperate tank, they are available in fiberglass
and aluminium. The 2.5 will run up to about 10 hours on a little 10 pound (2.5 gallon) tank at wide open throttle. It will go a lot longer if you run at 3/4 throttle.
If you want to buy one, I would love to quote you on it. Here is a link to my website. Please contact me for a quote before you buy one.