The rear brake is actuated by this new
master cylinder. It is a different bore and mounting size to the
original so minor re-mount drilling and tapping was required.
Venhill hose has a banjo fitting with a bleed screw installed to aid
brake bleeding and the passage of fluid. The top banjo hose fitting
contains the required rear hydraulically operated brake light switch.
Silicone brake fluid was used, not for
its high DOT 5 temperature resistance and safety factor but more for its
lack of paint damage if it leaks.