2. BRAKING SYSTEM 2.1 BRAKE MASTER CYLINDER 2.1 BRAKE MASTER CYLINDER 3 2 1 D000 4520 1. Bleed screw 2. Barrel 3. Push-rod TECHNICAL DATA Piston diameter: 23.81 mm (0.938 in.) Piston stroke: 30 mm (1.182 in.) Maximum operating pressure: 120 bar (1740 psi) 10-20