Sure wish you had posted that photo 3 months ago. I got the same results with a K5 master cylinder. Apparently, the Brembo masters don't have the same problem as many people have them installed with no issues. That will be my next purchase, after I pay off the christmas credit card bills.
As far as I know there are only 2 versions of the Brembo brake master cylinder, the forged and the billet. I believe they have the same external dimensions. From what I've seen posted, I believe most people went with the forged, which is what I am going with (19x20 is the recommended cylinder/leverage for 6-piston calipers). I don't think the new brembo (rcs) with the switchable leverage ratios has come out yet. Maybe I'll wait to buy until I hear of someone trying this new version on the Hayabusa (gen1 that is).
