2010 Polaris Sportsman 850 Service Manual, Page 311Get this manual
BRAKES FOOT BRAKE MASTER CYLINDER
Operation Overview
When the brake pedal is applied it contacts the piston of the foot brake master cylinderAs the pressure within the system is increased, the pistons located in the rear brake calipers move outward and apply equal pressure to the brake pads34Remove the (2) through-bolts retaining the master cylinder to the mount bracketReplace components as neededReverse this procedure when reinstalling and torque mounting fasteners to specification
Master Cylinder Mounting Fasteners: ftlbs(11 Nm) 5Reinstall the brake line and torque the banjo bolt (with new sealing washers installed) to specification
Brake Line Banjo Bolts: 15 ftlbs(20 Nm) 6Bleed the master cylinder following the procedure outlined in the "Brake Bleeding" section of this chapter