Coat the master piston and piston cups with clean DOT 4 brake fluid.
Replace the piston, spring, snap ring and boot as a set; do not substitute individual parts.
Install the spring onto the piston cup.
Install the piston/spring into the master cylinder.
Do not allow the piston cup lips to turn inside out.
Install the snap ring into the groove in the master cylinder.
Tool: Snap ring pliers 07914-SA50001.
Be certain the snap ring is firmly seated in the groove.
Apply silicone grease to the inside of the boot and master piston tip.
Install the push rod and boot.
Install the brake light switch and tighten the screw to the specified torque.
Torque: 1.2 N·m (0.12 kgf·m, 0.9 lbf·ft).
Apply silicone grease to the contact surface of the master piston, then install the brake lever.
Install and tighten the pivot bolt to the specified torque.
Torque: 1 N·m (0.1 kgf·m, 0.7 lbf·ft).
Install and tighten the pivot nut to the specified torque.
Torque: 6 N·m (0.6 kgf·m, 4.3 lbf·ft).
