The (1st gen) exhaust clamps that go on the 6 collector ports (4 in, 2 out)? 5 out of my 6 survived, but one was pretty well toast. Part #s 25, 26, 37, 44 in the following diagram:
http://www.boats.net/parts/search/Yamaha/Motorcycle/1993/XVZ1300DE%20-%20VENTURE%20ROYALE/EXHAUST/parts.html
I can probably make any one of them work. Just need one if ya got a spare collecting dust. Lemme know? Thanks!