Yamaha 2012 Grizzly 300 Service Manual page 242

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FRONT AND REAR BRAKES
EBS00413
CHECKING THE MASTER CYLINDERS
1. Check:
• brake master cylinder
Wear/scratches → Replace the brake mas-
ter cylinder assembly.
• brake master cylinder body
Cracks/damage → Replace.
• brake fluid delivery passage
(brake master cylinder body)
Blockage → Blow out with compressed air.
Front
Rear
2. Check:
• brake master cylinder kit
Scratches/wear/damage → Replace as a
set.
Front
Rear
3. Check:
• front brake master cylinder reservoir
2
• front brake master cylinder reservoir dia-
phragm
Cracks/damage → Replace.
4. Check:
2
• rear brake fluid reservoir
• rear brake fluid reservoir diaphragm
Cracks/damage → Replace.
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CHAS