Thanks for all the suggestions, guys! It gave me the confidence to remove the wheel so I could change the rear tire.
On my Breva, there was no way I was going to get the wheel off without removing the bevel box, too. As soon as I tried, the cush segments started coming loose.
I took off the right side muffler and lower shock mount, too.
On the left side,I found removing the spacer was no problem once I pivoted the caliper housing down on the stud it pivots on. This is where you want to grow an extra arm.
Usually, reassembly goes quicker than dis-assembly. Maybe it was a senior moment, but it took almost 2 hours to get the wheel back on and everything re-connected. Made me wish it was like the single sided K bike I had...
I was hoping for a diagram of the mating of the bevel box to the hub. I guessed at the position of the cush segments relative to the "fingers" on the bevel..
I'll take it out for a test ride tomorrow and see if I was right! (I put the fingers "behind" the cush segments such that they'd compress on acceleration... I REALLY hope I was right!!)
I sure hope this is the only exception to the idea that guzzl's are simple to work on. I'd hate to attempt this on the side of the road!