I've got the same bike and been conflicted about the decals as well. I think they're ugly but in a fun sort of 80's way. Now I'm considering selling my 1000LT and I'm glad I left em on.
It certainly is a smoooooth ride.
It looks like you still have the original Tires on yours
They're Radial Tires and are a little oddball thing that came on only a few bikes. If you want to read about em check this out
link.
Mine still has the radial tires as well and I'm one of the folks who really likes those tires.