Polaris Magnum 2x4 Service Manual page 532

Disassembly Cant. (Typical)
8. Remove reservoir screws and reservoir.
9. Inspect reservoir seal and replace if worn or damaged.
Clean surfaces of the reservoir and master cylinder
body. Be sure compensating (A) and supply (B) ports
are clean before reassembly.
10. Remove outer dust seal. Be ready to catch piston
assembly.
NOTE:
The return spring will force piston
out when dust seal has been removed.
11. Remove piston, return spring, and washer from
master cylinder. Remove primary and secondary
seals from piston and discard.
12. Clean seal grooves thoroughly to remove all residue.
Do not use a sharp instrument or grooves in piston
may be damaged.
Polaris Industries Inc. 9.17
BRAKES
Master Cylinder
7/96