Yamaha YZF-R125 Service Manual: Installing the front wheel (disc)
1. Install:
- Front brake disc
NOTE:
- Be sure to install the front brake disc with the arrow mark "a" on the disc facing out.
- Tighten the brake disc bolts in stages and in a crisscross pattern.
2. Check:
- Front brake disc Refer to "CHECKING THE FRONT BRAKE DISC" on page 4-21.
3. Lubricate:
- Front wheel axle
- Oil seal lip
- Speed sensor lip
4. Install:
- Speed sensor
NOTE:
Make sure the speed sensor and the wheel hub are installed with the two projections meshed into the two slots respectively.
5. Install:
- Front wheel
NOTE:
Make sure the stopper "a" in the speed sensor fits over the slot "b" on the outer tube.
6. Tighten:
- Front wheel axle
- Front wheel axle pinch bolt
| WARNING Make sure the brake hose is routed properly. |
| CAUTION: Before tightening the wheel axle, push down hard on the handlebar(s) several times and check if the front fork rebounds smoothly. |
a. Insert the front wheel axle from the right side and tighten it from the left side to 59 Nm (5.9 m.kg, 43 ft.lb) without performing temporary tightening.
b. Tighten the front wheel axle pinch bolt to 14 Nm (1.4 m.kg, 10 ft.lb) without performing temporary tightening.
c. Check that the right end of the front wheel axle is flush with the front fork. If necessary, manually push the front wheel axle or lightly tap it with a soft hammer until its end is flush with the front fork. However, if the surface of the front wheel axle end is not parallel to the surface of the front fork, align a point on the outer edge of the axle with the fork, making sure that the axle does not protrude past the fork.
Adjusting the front wheel static balance
NOTE:
After replacing the tire, wheel or both, the front
wheel static balance should be adjusted.
Adjust the front wheel static balance with the
brake discs installed.
1. Remove:
Bala ...
Rear wheel
...
Other materials:
Installing the cylinder head
1. Install:
Cylinder head
NOTE:
Pass the timing chain through the timing chain
cavity.
2. Tighten:
Cylinder head bolts "1"
Cylinder head bolts "2"
NOTE:
Lubricate the cylinder head bolts and washers
with engine oil.
Tighten the cylinder head bolts in the proper
tighten ...
Checking the turn signal relay
1. Check:
Turn signal relay input voltage
Out of specification →The wiring circuit
from
the main switch to the turn signal relay coupler
is faulty and must be repaired.
a. Connect the pocket tester (DC 20 V) to the
turn signal relay terminal as shown.
- Positive tester probe
b ...
Be a Responsible Owner
As the vehicle's owner, you are responsible
for the safe and proper operation
of your motorcycle.
Motorcycles are single-track vehicles.
Their safe use and operation are dependent
upon the use of proper riding
techniques as well as the expertise of
the operator. Every operator should
...