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)

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Yamaha WR250FM Wheel axle bending limit 0.5 mm 0.020, Do not attempt to straighten a bent axle, Brake disc