Yamaha YFM660FS Grizzly 4x4 Supplementary Service Manual page 393

FRONT AND REAR BRAKES
WARNING
Proper brake hose routing is essential to
insure safe motorcycle operation. Refer to
"CABLE ROUTING".
2.Fill:
Brake reservoir
G
CAUTION:
Brake fluid may damage painted surfaces
or plastic parts. Always clean up spilled
brake fluid immediately.
WARNING
Use only the designated quality brake
G
fluid: other brake fluids may deteriorate
the rubber seals, causing leakage and
poor brake performance.
Refill with the same type of brake fluid:
G
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
G
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
G
Refer to "BLEEDING THE HYDRAULIC
BRAKE SYSTEM" in CHAPTER 3.
4.Check:
Brake fluid level
G
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