13. BRAKE SYSTEM MXU 300/250 Spring INSPECTION Check the cylinder inside wall, and spring for scratch, corrosion or other abnormal condition. If any abnormal condition is found, replace the inner parts or master cylinder. Before assembly, inspect the lst and 2nd rubber cups for wear. Piston ASSEMBLY Before assembly, apply brake fluid to all removed parts. During assembly, the master cylinder, piston and spring must be installed as a unit without exchange. Washers Reverse the "MASTER CYLINDER ON THE REAR BRAKE PEDAL DISASSEMBLY" procedures. Connect the brake fluid tube to the master cylinder with the fluid bolt and new sealing washers. Tighten the fluid tube bolt. Torque: 3.5 kgf-m (35 Nm, 25 lbf-ft) Fill the brake reservoir with recommended brake fluid to the upper level. Bleed air from the hydraulic brake system. (page 13-13) 13-18