Master Cylinder Inspection; Master Cylinder Assembly - Honda NX250 Shop Manual

INSPECTION
Check the primary and secondary cups for wear, deterioration
or damage.
Check the master cylinder and piston for scoring or other dam-
age.
Measure the master cylinder inside diameter.
SERVICE LIMIT; 11 05b mm (0.4352 In)
Measure the master piston outside diameter.
SERVICE LIMIT: 10.945 mm (0.4309 in)
NOTE
• The master piston, piston cups and spring must be replaced
as a set.
ASSEMBLY
Coat the master piston and primary and secondary cups with
clean brake fluid, then install the spring, master piston and
washer into the master cylinder.
Install the snap ring and piston boot.
CAUTION
Do not allow the lips of the cups to turn inside out and be cer-
tain the snap ring is firmly seated in the groove.
TOOL:
Snap ring pliers
Install the brake light switch.
Tighten the screw to the specified torque.
TORQUE: 1.0N-m(0.1 kg-m, 0.7 ft-lb}
Install the brake lever and tighten the pivot nut.
TORQUE: 10 N-m 11.0 kg-m, 7 ft-lb)
0 7 9 1 4 - 3 2 3 0 0 0 1 or
equivalent commercially
available in U.S.A.
(4) MASTER PISTON
(1) LEVER
HYDRAULIC BRAKE
(2) PISTON CUPS
14-7