For sure! I don't want any negative feedback or anyone bitching at meFor what it's worth..... I'm the guy Brian got the rotors from. They came off of a Marchesini race wheel which uses a bolt patter of 6 x 80mm..... you can see in the picture Brian posted the Marchesini he has, has an adapter bolted to the wheel to allow the use of the stock rotors. The adapter is bolted to the wheel using the 6 x 80mm bolt pattern..... ( see the images I've posted as well )
In the first image is a direct bolt on Marchesini ( blue ) it hase the same type of adapter.... if you remove the adapter it looks like the secong image ( except that wheel is a older 5 spoke )
If you remove the adapters... then the Brembos will bolt right up to the wheel. The question then becomes will it still go onto your bike. The Brembo's here have a 19.5mm offset..... most Yamaha's at least to the best of my knowledge have 130mm spacing for the rotors ( give or take 1mm ) so, knowing this...... your hub after you remove the spacers needs to be 91mm wide where the rotors would bolt to the wheel ( again give or take 1mm ) from here you should ( or anyone for that matter ) be able to do the math and se if these would work on your bike.
The other issue is that these are narrow band rotors..... if you don't know what that entails... these might not be rotors for your bike ( sorry B, just trying to be honest ) you wiull need calipers designed for narrow band rotors... or you will have to modify the pads in your calipers to work with these otherwise the pads will contact the " buttons " that attach the rotor to the carrier.....