2011 Polaris Ranger RZR ATV Service Manual, Page 333Get this manual
BRAKES 4Slowly pump the brake pedal until pressure has been built upMaintain at least 12, (12.7 mm) of brake fluid in the reservoir to prevent air from entering the brake systemInstall the adjustment set screw and turn clockwise until stationary pad contacts disc, then back off 12 turn (counterclockwise)12 Turn
Verify fluid level in reservoir is up to MAX line inside reservoir and install reservoir cap
Master Cylinder Fluid Up to MAX line inside reservoir
7Install wheel and torque wheel nuts to specification