13. BRAKE SYSTEM ATV 300/250 ASSEMBLY Before assembly, apply brake fluid to all removed parts. During assembly, the master cylinder, piston and spring must be installed as a unit without exchange. Washers Reverse the "MASTER CYLINDER ON THE REAR BRAKE PEDAL DISASSEMBLY" procedures. Connect the brake fluid tube to the brake caliper and tighten the fluid tube bolt. Torque: 3.5 kgf-m (35 Nm, 25 lbf-ft) Fill the brake reservoir with recommended brake fluid to the upper level. Bleed air from the hydraulic brake system. (page 13-12) 13-15