Yamaha YZF-R125 Service Manual: Installing the rear wheel (disc)
1. Install:
- Rear brake disc
NOTE:
Tighten the brake disc bolts in stages and in a crisscross pattern.
2. Check:
- Rear brake disc Refer to "CHECKING THE REAR BRAKE DISC" on page 4-33.
3. Lubricate:
- Rear wheel axle
- Contact surface of rear wheel hub and rear wheel
- Wheel bearings
- Oil seal lips
4. Adjust:
- Drive chain slack
Refer to "ADJUSTING THE DRIVE CHAIN
SLACK" on page 3-21.
Adjusting the rear wheel static balance
NOTE:
After replacing the tire, wheel or both, the rear
wheel static balance should be adjusted.
Adjust the rear wheel static balance with the
brake disc and rear wheel drive hub installed.
...
Front brake
...
Other materials:
Checking the piston rings
1. Measure:
Piston ring side clearance
Out of specification Replace the
piston
and piston rings as a set.
NOTE:
Before measuring the piston ring side clearance,
eliminate any carbon deposits from the piston
ring grooves and piston rings.
2. Install:
Piston ring
(into the cylind ...
Checking and lubricating the cables
The operation of all control cables and
the condition of the cables should be
checked before each ride, and the cables
and cable ends should be lubricated
if necessary. If a cable is damaged
or does not move smoothly, have a
Yamaha dealer check or replace it.
WARNING! Damage to the out ...
Fi system
The fuel pump delivers fuel to the fuel injector via the fuel filter. The
pressure regulator maintains the
fuel pressure that is applied to the fuel injector at only 250 kPa (2.50 kg/cm²,
36.3 psi). Accordingly,
when the energizing signal from the ECU energizes the fuel injector, the fuel ...