Perio
d
ic maintenance an
d
a
d
justment
7-27
7
Clutch
TIP
The rear brake fluid reservoir is located
behind panel C. (See page 7-7.)
WARNING
EWA16031
Improper maintenance can result in
loss of
b
rakin
g
a
b
ility or clutch oper-
ation. O
b
serve these precautions:
Insufficient
b
rake or clutch flui
d
may allow air to enter the
b
rake
or clutch system, re
d
ucin
g
b
rakin
g
or clutch performance.
Clean the filler caps
b
efore re-
movin
g
. Use only DOT 4
b
rake
flui
d
from a seale
d
container.
Use only the specifie
d
b
rake flu-
i
d
; otherwise, the ru
bb
er seals
may
d
eteriorate, causin
g
leak-
a
g
e.
Refill with the same type of
b
rake flui
d
. A
dd
in
g
a
b
rake flui
d
other than DOT 4 may result in a
harmful chemical reaction.
Be careful that water or
d
ust
d
oes not enter the
b
rake or
clutch flui
d
reservoir when refill-
in
g
. Water will si
g
nificantly low-
er the
b
oilin
g
point of the flui
d
an
d
may result in vapor lock,
an
d
d
irt may clo
g
the ABS hy-
d
raulic unit valves.
NOTICE
ECA17641
Brake flui
d
may
d
ama
g
e painte
d
surfaces or plastic parts. Always
clean up spille
d
flui
d
imme
d
iately.
The brake or clutch fluid reservoir dia-
phragm will lose its shape from the
negative pressure if the fluid level goes
down too far. Be sure to return the dia-
phragm to its original shape before in-
stalling it into the brake or clutch fluid
reservoir.
As the brake pads wear, it is normal for
the brake fluid level to gradually go
down. A low brake fluid level may indi-
cate worn brake pads and/or brake
system leakage; therefore, be sure to
check the brake pads for wear and the
brake system for leakage. A low clutch
fluid level may indicate clutch system
leakage; therefore, be sure to check
the clutch system for leakage. If the
brake or clutch fluid level goes down
suddenly, have a Yamaha dealer check
the cause before further riding.
1. Minimum level mark
Specifie
d
b
rake an
d
clutch flui
d
:
DOT 4 brake fluid
UB9614E0.book Page 27 Friday, November 15, 2019 1:30 PM
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