Thank you for this review. I have owned a YTS-82z for nearly three years, but it is only now that I am beginning to appreciate the virtues of this instrument. I suspect it is not really meant for beginners since it is, IMO, a bit "temperamental". But they layout of the keys surely has to be as user-friendly as they come. I'd be interested to have your views on mouthpieces suitable for the 82z. I am using a Yamaha 5CM. I only play music that in one way or another would be considered classical.
I also have a Phil Barone Vintage Tenor. I like it very much, and it is probably the kind of instrument I should have bought in the first place. But what I have found is that after several months of intensive pracice on the PB, the 82z has become equally easy to play. At one stage I thought I would sell it, but I will now hold on to it.
Addition:
I have just seen Stephen Howard's comment on your posting in SOTW:
It's also their [Yamaha's] least-accessible horn. That't not a bad thing - it just means that there's more to it that meets the ear on first blowing.