Removing The Rear Brake Master Cylinder; Checking The Rear Brake Master Cylinder - Yamaha YZF-R1 2007 Service Manual

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
• When refilling, be careful that water does
not enter the brake fluid reservoir. Water
will significantly lower the boiling point of
the brake fluid and could cause vapor
lock.
ECA13540
CAUTION:
Brake fluid may damage painted surfaces
and plastic parts. Therefore, always clean
up any spilt brake fluid immediately.
5. Bleed:
• Brake system
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" on page 3-26.
6. Check:
• Brake fluid level
Below the minimum level mark "a" → Add
the recommended brake fluid to the proper
level.
Refer to "CHECKING THE BRAKE FLUID
LEVEL" on page 3-24.
7. Check:
• Brake pedal operation
Soft or spongy feeling → Bleed the brake
system.
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" on page 3-26.
EAS22700
REMOVING THE REAR BRAKE MASTER
CYLINDER
1. Remove:
• Union bolt "1"
• Copper washers "2"
• Brake hose "3"
email: info@motomatrix.co.uk
NOTE:
To collect any remaining brake fluid, place a
container under the master cylinder and the
end of the brake hose.
2. Remove:
• Brake master cylinder
EAS22720
CHECKING THE REAR BRAKE MASTER
CYLINDER
1. Check:
• Brake master cylinder
Damage/scratches/wear → Replace.
• Brake fluid delivery passages
(brake master cylinder body)
Obstruction → Blow out with compressed
air.
2. Check:
• Brake master cylinder kit
Damage/scratches/wear → Replace.
3. Check:
• Brake fluid reservoir tank "1"
Cracks/damage → Replace.
• Brake fluid reservoir diaphragm "2"
Cracks/damage → Replace.
4-42
REAR BRAKE