Yamaha YZ250 2005 Manuel D'atelier Du Proprietaire page 398

FRONT BRAKE AND REAR BRAKE
EC533402
Piston seal kit
1. Remove:
9 Dust seal 1
9 Piston seal 2
NOTE:
Remove the piston seals and dust seals by
pushing them with a finger.
cC
Never attempt to pry out piston seals and
dust seals.
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Replace the piston seals and dust seals
whenever a caliper is disassembled.
A Front
B Rear
EC5A4000
INSPECTION
EC534120
Master cylinder
1. Inspect:
9 Master cylinder inner surface a
Wear/Scratches¡Replace master cylinder
assembly.
Stains¡Clean.
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Use only new brake fluid.
A Front
B Rear
2. Inspect:
9 Diaphragm 1
Crack/Damage¡Replace.
A Front
B Rear
3. Inspect: (front brake only)
9 Reservoir float 1
Damage¡Replace.
5-15
CHAS