Yamaha BOLT, Owner'S Manual

Page: 65 / 98

Perio d ic maintenance an d a d justment
7-23
7

Insufficient b rake flui d may al-
low air to enter the b rake sys-
tem, re d ucin g b rakin g
performance.

Clean the filler cap 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 d oes not
enter the b rake flui d reservoir
when refillin g . Water will si g nifi-
cantly lower the b oilin g point of
the flui d an d may result in vapor
lock.
EAU22734
Chan g in g the b rake flui d
Have a Yamaha dealer change the
brake fluid every 2 years. In addition,
have the seals of the master cylinders
and brake calipers, as well as the brake
hoses replaced at the intervals listed
below or sooner if they are damaged or
leaking.

Brake seals: every 2 years

Brake hoses: every 4 years
EAU23041
Drive b elt slack
The drive belt slack should be checked
and adjusted at the intervals specified
in the periodic maintenance and lubri-
cation chart.
EAU55773
To check the d rive b elt slack
1. Place the vehicle on the side-
stand.
2. Note the current position of the
drive belt using the marks near the
drive belt check hole.
3. Note the position of the drive belt
with a force of 45 N (4.5 kgf, 10 lbf)
applied to the belt with a belt ten-
sion gauge as shown.
1. Drive belt
2. Marks
2
1
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