16. BRAKE SYSTEM MXU550EXi/MXU500i Remove fluid hose bolt/two washers and then disconnect the fluid hose. When removing the brake fluid hose bolt, be sure to place towels under the hose and plug the hose end to avoid brake fluid leakage and contamination. Remove the two mounting bolts and remove the master cylinder. INSPECTION Check the diaphragm to cracks or damage. If any damages are found, replace the diaphragm with a new one. INSTALLATION Front/rear master cylinder Install the brake light switch. Place the right and left brake master cylinder on the handlebar and install the master cylinder holder with the "UP" mark facing up, aligning the punch mark on the handlebar with the holder joint seam. First tighten the upper bolt and then tighten the lower blot. Torque: 1.2 kg-m (12 Nm, 8.6 lbf-ft) 16-25