Changing The Brake Fluid; Drive Chain Slack - Yamaha YZF-R125 Owner's Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
G
Be careful that water does not en-
ter the brake fluid reservoir when
refilling. Water will significantly
lower the boiling point of the fluid
and may result in vapor lock.
G
Brake fluid may deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up
immediately.
G 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.
6

Changing the brake fluid

Have a Yamaha dealer change the
brake fluid at the intervals specified in
the periodic maintenance and lubrica-
tion chart. In addition, have the brake
hose replaced every four years or
whenever it is damaged or leaking.
spilled fluid
EAUM1360

Drive chain slack

The drive chain slack should be
checked before each ride and adjusted
if necessary.
To check the drive chain slack
1. Place the motorcycle on the side-
TIP
When checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.
2. Shift the transmission into the neu-
3. Move the rear wheel by pushing
6-23
stand.
tral position.
the motorcycle to locate the tight-
est portion of the drive chain, and
then measure the drive chain slack
as shown.
Drive chain slack:
30.0–40.0 mm (1.18–1.57 in)
EAU22760
EAU22773