Yamaha TTR250V, Owner'S Manual

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PERIODIC MAINTENANCE AND MINOR REPAIR
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refilling. Water will significantly
lower the boiling point of the fluid
and may result in vapor lock.
● 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.
EAU22730
Changing the brake fluid
Have a Yamaha dealer change the
brake fluid at the intervals specified in
the NOTE after the periodic mainte-
nance and lubrication chart. In addition,
have the oil seals of the master cylin-
ders and calipers as well as the brake
hoses replaced at the intervals listed
below or whenever they are damaged
or leaking.
● Oil seals: Replace every two
years.
● Brake hoses: Replace every four
years.
EAU22760
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22771
To check the drive chain slack
1. Place the machine on the side-
stand.
NOTE:
When checking and adjusting the drive
chain slack, there should be no weight
on the machine.
2. Shift the transmission into the neu-
tral position.
3. Move the rear wheel by pushing
the machine to locate the tightest
portion of the drive chain, and then
measure the drive chain slack as
shown.
Drive chain slack:
35.0–50.0 mm (1.38–1.97 in)