Brake Caliper Piston Seal Kit; Brake Master Cylinder - Yamaha YZ250F(V) Owner's Service Manual

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FRONT BRAKE AND REAR BRAKE
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Brake caliper piston seal kit

1. Remove:
• Dust seal 1
• Piston seal 2
NOTE:
Remove the piston seals and dust seals by
pushing them with a finger.
CAUTION:
Never attempt to pry out piston seals and
dust seals.
WARNING
Replace the piston seals and dust seals
whenever a caliper is disassembled.
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Front
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Rear
EC5A4000
INSPECTION

Brake master cylinder

1. Inspect:
• Brake master cylinder inner surface a
Wear/scratches → Replace master cylin-
der assembly.
Stains → Clean.
WARNING
Use only new brake fluid.
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Front
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Rear
2. Inspect:
• Diaphragm 1
Crack/damage → Replace.
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Front
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Rear
3. Inspect: (front brake only)
• Reservoir float 1
Damage → Replace.
5 - 15
CHAS