To remove the rear wheel
WARNING
To avoid injury, securely support the
vehicle so there is no danger of it
falling over.

Axle nut
Drive chain slack adjusting bolt
Locknut
Brake caliper

TIP
If the drive chain is difficult to remove,
remove the wheel axle first,
and then lift the wheel upward
enough to remove the drive chain
from the rear sprocket.
The drive chain cannot be disassembled.
To install the rear wheel
TIP

Retainer
Slot
| Tightening torque: Axle nut: 85 Nm (8.5 m.kgf, 61 ft.lbf) |
Front wheel
TroubleshootingChecking the front brake disc
1. Remove:
Front wheel
Refer to "FRONT WHEEL" on page 4-6.
2. Check:
Brake disc
Damage/galling Replace.
3. Measure:
Brake disc deflection
Out of specification Correct the
brake disc
deflection or replace the brake disc.
a. Place the vehicle on a suitable stand ...
Introduction
Welcome to the Yamaha world of motorcycling!
As the owner of the YZF-R125, you are benefiting from Yamaha's vast
experience and newest technology regarding the design
and manufacture of high-quality products, which have earned Yamaha a reputation
for dependability.
Please take the time to re ...
Starting the engine
In order for the ignition circuit cut-off
system to enable starting, one of the
following conditions must be met:
The transmission is in the neutral
position.
The transmission is in gear with
the clutch lever pulled and the sidestand
up.
1. Turn the key to "ON" and make
sure ...