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PERIODIC MAINTENANCE AND MINOR REPAIR
6-24
6
● The YCC-S clutch fluid reservoir is
located behind panel B. (See page
6-8.)
Observe these precautions:
● When checking the fluid level,
make sure that the top of the brake
and YCC-S clutch fluid reservoirs
are level.
● Use only the recommended quality
brake fluid, otherwise the rubber
seals may deteriorate, causing
leakage and poor braking or
YCC-S clutch performance.
● Refill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor braking or YCC-S
clutch performance.
● The brake and YCC-S clutch fluid
reservoir diaphragms will lose their
shape from the negative pressure
if the fluid level goes down too far.
Be sure to return the diaphragms
to their original shape before rein-
stalling them.
● Be careful that water or dust does
not enter the brake and YCC-S
clutch fluid reservoirs when refill-
ing. Water will significantly lower
the boiling point of the fluid and
may result in vapor lock, and dirt
may clog the ABS hydraulic unit
valves.
● Brake fluid may deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up spilled fluid
immediately.
● As the brake pads wear, it is nor-
mal for the brake fluid level to grad-
ually go down. However, if the
brake fluid level goes down sud-
denly, have a Yamaha dealer
check the cause.
EAU40600
Changing the brake and
YCC-S clutch fluids
Have a Yamaha dealer change the
brake and YCC-S clutch fluids at the in-
tervals specified in the NOTE after the
periodic maintenance and lubrication
chart. In addition, have the oil seals of
the brake and YCC-S clutch master cyl-
inders and calipers as well as the brake
and YCC-S clutch hoses replaced at
the intervals listed below or whenever
they are damaged or leaking.
● Oil seals: Replace every two
years.
● Brake and YCC-S clutch hoses:
Replace every four years.
Recommended brake and YCC-S
clutch fluid:
DOT 4 brake fluid
U2D212E0.book Page 24 Wednesday, October 17, 2007 5:01 PM