Honda NX250 1989 User Manual

HYDRAULIC BRAKE
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.
(1) SPRING
(2) PISTON CUPS
(4) MASTER PISTON
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.
(1) SNAP RING PLIERS
TOOL:
Snap ring pliers 07914-3230001 or
equivalent commercially
available in U.S.A.
(2) SNAP RING
(3) BOOT
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)
(1) LEVER
(2) PIVOT NUT
(41 SCREW
(3) SWITCH
14-7

Honda NX250 1989 Specifications

General

Year	1989
Manufacturer	Honda
Model	NX250
Category	Dual-sport
Displacement	249 cc
Compression Ratio	11.0:1
Ignition	CDI
Transmission	6-speed
Final Drive	Chain
Front Suspension	Telescopic fork
Rear Suspension	Pro-Link single shock
Front Brake	Single disc
Rear Brake	Drum
Front Tire	3.00-21
Seat Height	830 mm
Engine Type	Single cylinder, four-stroke
Bore x Stroke	70.0 x 64.8 mm
Carburetion	Keihin