9-2
Rear Brake Lever/
Master Cylinder
Assembly
NOTE: The master cylinder is a non-serviceable
component; it must be replaced as an assembly.
REMOVING
1. Connect a clear hose to the bleed screw on the rear
brake caliper; then open the bleed screw and pump
the brake fluid into a suitable container. Close the
bleed screw.
TR031A
NOTE: Do not reuse brake fluid. When exposed
to air, brake fluid rapidly absorbs moisture.
2. Remove the brakeline hose union bolt; then
remove the cap screws securing the master cylin-
der assembly to the handlebar. Discard the crush
washers from the union bolt.
KM800A
3. Remove the brake lever, brakelight switch, and
brake lever lock.
INSPECTING
NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
1. Inspect the pivot bolt securing the brake lever for
wear.
2. Inspect the brake lever for elongation of the pivot
hole.
3. Inspect the reservoir for cracks and leakage.
4. Inspect the brake hose for cracks and deterioration
and the condition of the fittings (threaded and
compression).
5. Inspect the brakelight switch for corrosion, cracks,
missing or broken mounting tabs, or broken and
frayed wiring.
NOTE: If the brakelight switch is determined to
be not serviceable, see Section 5.
INSTALLING
1. Install the brakelight switch on the master cylin-
der; then install the brake lever and brake lever
lock.
2. Install the master cylinder assembly on the handle-
bar engaging the alignment stud in the hole in the
handlebar; then secure with the master cylinder
clamp and two cap screws. Make sure the UP
arrow on the clamp is directed upward.
KM800B
3. Tighten the cap screw (1) to 9 ft-lb; then tighten
the cap screw (2) to 9 ft-lb.
! CAUTION
Brake fluid is highly corrosive. Do not spill brake fluid
on any surface of the ATV.
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