Yamaha YFM660FP Service Manual page 323

FRONT AND REAR BRAKES
WARNING
Proper brake hose routing is essential to
insure safe motorcycle operation. Refer to
"CABLE ROUTING".
2.Fill:
Brake reservoir
●
CAUTION:
Brake fluid may damage painted surfaces
or plastic parts. Always clean up spilled
brake fluid immediately.
WARNING
Use only the designated quality brake
●
fluid: other brake fluids may deteriorate
the rubber seals, causing leakage and
poor brake performance.
Refill with the same type of brake fluid:
●
mixing brake fluids may result in a harm-
ful chemical reaction and lead to poor
brake performance.
Be careful that water does not enter the
●
master cylinder when refilling. Water will
significantly lower the boiling point of the
brake fluid and may result in vapor lock.
3.Bleed:
Brake system
●
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" in CHAPTER 3.
4.Check:
Brake fluid level
●
Brake fluid level is under the "LOWER" level
line → Fill up.
Refer to "CHEKING THE BRAKE FLUID
LEVEL" in CHAPTER 3.
8 - 33
CHAS
Recommended brake fluid:
DOT 4