Chapter 7. Chassis; Front Wheels And Front Brake - Yamaha YFM250XL(C) Service Manual

FRONT WHEELS AND FRONT BRAKE

1 Brake camshaft lever
2 Wear indicator plate
3 Brake shoe plate
4 Brake shoe plate seal
5 Pivot pin
6 Brake camshaft holder
7 Brake camshaft
8 Brake shoe
9 Bearing
FRONT WHEELS AND FRONT BRAKE
CHASSIS
0 Bearing spacer
A Front brake drum
B Oil seal
C Front wheel
D Collar
7 - 1
TIRE AIR PRESSURE
Cold Tire Pressure
Standard
(0.20 kg/cm
2.8 psi)
Minimum
(0.17 kg/cm
2.4 psi)
Maximum
(0.23 kg/cm
3.2 psi)
A TIRE SIZE: AT22 × 7-10
RIM SIZE: 5.5 × 10
B
WHEEL RUNOUT LIMIT:
C VERTICAL: 2 mm (0.08 in)
LATERAL: 2 mm (0.08 in)
D TIRE WEAR LIMIT: 2 mm (0.08 in)
BRAKE LINING WEAR LIMIT:
E
2 mm (0.08 in)
FRONT BRAKE DRUM WEAR
F LIMIT:
161 mm (6.3 in)
CHAS
Front Rear
20 kPa 25 kPa
2 2
, (0.25 kg/cm ,
3.6 psi)
17 kPa 22 kPa
2 , (0.22 kg/cm 2 ,
3.2 psi)
23 kPa 28 kPa
2 , (0.28 kg/cm 2 ,
4.0 psi)
7