2006 Honda TRX680 Rincon Factory Service Manual, Page 432Get this manual
BRAKE SYSTEM Install the boot into the master cylinder
BOOT If the push rod joint is reinstalled, adjust the push rod length so that the distance between the centers of the master cylinder lower mounting bolt hole and the centers of the joint pin hole is 80 mm (3.15 0.04 in)After adjustment, tighten the joint nutTORQUE: 18 (1.8 kgf m, 13 Ibf-ft)
80 mm (3.15 0.04 in) Connect the master cylinder to the brake pedal with the joint pin and new cotter pinBRAKE PEDAL MASTER CYLINDER