Just a couple of suggestions, some have used a product called Bull Frog Snot, and applied it to the tires, while still on the loco, and, for replacing them, since these are probably smaller that typical HO scale loco wheels, you'll probably have to figure out what size they are, and look on ebay. I've seen lots of them in there. You could even get lucky, and find a rubber "O" ring at the hardware store, usually in the plumbing area, for faucets.
Just a couple of ideas.
Mike.
Also, Calumet Hobbies, and Stewart Products used to make traction tires.
My You Tube
Can anyone tell me if traction tires are availbale for the E-R HO model model monorail. I purchased one about two years ago, and when I recently set it up, the unit sits and spins the power wheels, going nowhere.
Thanks, in advance for any help.
OhioZephyr