Yamaha 2004 YXR660 Service Manual page 310

FRONT AND REAR BRAKES
4. Air bleed:
• brake system
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" in chapter 3.
5. Check:
• brake fluid level
Brake fluid level is under the "MIN" level line
→ Fill up.
Refer to "CHECKING THE BRAKE FLUID
LEVEL" in chapter 3.
6. Adjust:
• brake pedal free play
Refer
PEDAL" in chapter 3.
8 - 28
CHAS
to "ADJUSTING THE BRAKE