1999-2002 TRX400EX Fourtrax Service Manual, Page 210Get this manual
HYDRAULIC DISC BRAKE
REAR MASTER CYLINDER
CAUTION: Avoid spilling fluid on painted, plastic or rubber partsPlace rag over these parts whenever the system is servicedWhen removing the oil bolt, cover the end of the hose toprevent contamination
DISASSEMBLY
Drain the brake fluid from the rear brake hydraulic system (page 14-3)Disconnect the push rod from the brake pedal by removing the cotter pin and joint pinDisconnect the brake hose from the master cylinder by removingthe oil bolt and sealing washersRemovethe master cylinder mounting bolts