2010 Arctic Cat DVX 300 / 300 Utility ATV Service Manual, Page 19Get this manual
DSpread the brake pads and place the brake caliper over the discSecure with the mounting cap screwsTighten the cap screws to 25 ft-lb; then tighten the alignment pins to 13 ft-lb KM273A
4Remove the caliper from the disc; then compress the caliper holder and remove the brake padsKM266A
5Install the wheelTighten to 32 ft-lb6Burnish the brake pads (see Burnishing Brake Pads in this section)
Auxiliary Rear Hydraulic Brake
CHECKING 1With the engine off, the transmission in neutral, and the reverse lever in the forward position, press the brake pedal and attempt to move the ATV2If the rear wheels are locked, it is functioning properly3If the rear wheels are not locked, it must be repaired or bledBLEEDING To bleed the auxiliary brake, see Hydraulic Brake SystemsCHECKINGBLEEDING in this sectionMEASURINGREPLACING REAR BRAKE PADS (Utility) Removing 1Support the ATV on suitable support stand2Remove the left rear wheel3Remove the two brake pad alignment pins (A); then remove the mounting cap screws (B)Inspecting and Measuring 1Inspect the pads for gouges, chips, or wear2Inspect the disc for gouges, grooves, cracks, and warpage3Using calipers, measure the thickness of each brake pad4If the thickness of either brake pad is less than 1.0 mm (0.039 in, the brake pad must be replacedNOTE: The brake pads should be replaced as setKM267