1999-2002 TRX400EX Fourtrax Service Manual, Page 206Get this manual
HYDRAU LlC DISC BRAKE Coat the master piston and piston cups with clean brake fluidInstall the spring onto the master pistonInstall the spring and master piston into the master cylinderCAUTION:
Do not allow the oiston cup lips to turn inside out-
Install the snap ring into the groove in the master cylinder, using the special toolTOOL Snap ring pliers CAUTION:
Be certain the snap ring is firmly seated in the groove
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Install the boot into the master cylinder and the groove in the pistonApply silicone grease to the brake lever contacting surface of the pistonApply silicone grease to the brake lever pivotInstall the brake lever and pivot bolt, and tighten itTORQUE: N'm (0.6 kgf'm, 4.3 Ibf.ft) Install the pivot nut and tighten itTORQUE: N'm (0.6 kgfm, 4.3IbUt)