Yamaha WR250FM service manual Wheel axle bending limit 0.5 mm 0.020, Brake disc

FRONT WHEEL AND REAR WHEEL CHAS

EC514200

Wheel axle

1. Measure:

• Wheel axle bends

Out of specification → Replace. Use the dial gauge 1.

Wheel axle bending limit: 0.5 mm (0.020 in)

NOTE:

The bending value is shown by one half of the dial gauge reading.

WARNING

Do not attempt to straighten a bent axle.

EC594200

Brake disc

1. Measure:

• Brake disc deflection (only rear brake disc)

Use the dial gauge 1.

Out of specification → Inspect wheel runout.

If wheel runout is in good condition, replace the brake disc.

Brake disc deflection limit: Rear:

<Limit>: 0.15 mm (0.006 in)

2. Measure:

• Brake disc thickness a Out of limit → Replace.

Brake disc thickness: Front:

3.0 mm (0.12 in) <Limit>: 2.5 mm (0.10 in)

Rear:

4.0 mm (0.16 in) <Limit>: 3.5 mm (0.14 in)

5 - 4