Inspection; Assembly; Brake Adjustment - Yamaha BR250F Service Manual

B. Inspection
1. Check the brake pads. If either is worn
beyond the wear limit, replace the pads
as a set.
Wear limit: 1.0 mm (0.04 in)
1.
Wear limit
2. Replace any fatigued return spring.
C. Assembly
1. When assembling the brake caliper, be
sure that hooked end of each return
spring is seated in the brake arm before
installing the clevis pin. Assemble the
brake as shown in the exploded illustra-
tion. Always use a new cotter pin.
2. Preload the lower spring first, then the
upper spring. Using a pair of pliers, lift
the spring up and over the chain case.
3. Connect the brake cable to the handle-
bar.
4-15
D. Brake Adjustment
The brake is adjusted at two points so that
the gaps between the disc and pads are equal
and within tolerance. Proper adjustment will
result in
6 '" 7
mm
(0.24'" 0.28
in) free play
between the brake lever and the brake lever
holder.
1.
Loosen the lock nut on the screw (inner
pad adjusting screw) until the inner
brake pad is 0.2 '" 1.0 mm (0.008 '"
0.04 in) from the brake disc.
2. Loosen the lock nut on the cable adjust
screw (outer pad adjusting screw) and
adjust until the outer pad is 0.2 '" 1.0
mm
(0.008 ,..., 0.04
in) from the brake
disc.
3. Make sure both lock nuts are tight after
completing this procedure.
1. Inner pad adjusting screw 2. Outer pad adjusting screw
3. Outer pad arm 4. Inner pad arm