900 ACE sleds hold their value very, very well. If it's in good shape, well cared for, and you can get it for 7K, better grab it. 3K miles on a 4 stroker is nothing. If a dealer had it you wouldn't get it for that.
Perhaps just as the Nuclear "waste" generated at Power Plants, eh? Good friend of mine was a crane operator on a nuke "refueling crew". What to do with it?
Try Chad's Yamaha/AC in Hancock? Pat's Yamaha/Polaris in Greenland. Perhaps Timberline in Gogebic. Dans in Houghton? There used to be a sled rentals in Calumet? Good luck!
I too still have my oldest item, the Sorel Premium boots, that were sold back then by John Deere in the late 60's/70's. No rotten, or cracked rubber. Still usable outside of the are completely smooth due to a lot of use over the years. My first pair of LaCrosse Iceman (mid 70's) are also still...
I still use Shaler Rislone regularly, added to crankcase engine oil in some 60's vintage tractors that I had installed turbo chargers to. Doing so as to keep the valve guides/valves from sticking due to increased air intake charge, thus lack of lubrication, dry. Once I realized what was...