1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 198Get this manual
BRAKE ADJUSTMENT
Turn the two brake shoe adjusters up with screw driver until the brake shoes lockthen back off three stopsInstall the caps securely (page 3-8)[
MASTER CYLINDER
DISASSEMBL Y
Drain the brake lu id from the hydraulic systemDisconnect the brake hose from the master cylinder by removing the bolt and two sealing washersRemove the front brake lever nut and pivot bolt Loosen the throttle housing bracket screwsRemove the screws from the master cylinder holder and remove the master cylinder