Yamaha YZF-R125 Service Manual: Installing the front wheel (disc)

Yamaha YZF-R125 Service Manual / Chassis / Front wheel / 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.

Installing the front wheel (disc)

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.

Installing the front wheel (disc)

5. Install:

Front wheel

NOTE:

Make sure the stopper "a" in the speed sensor fits over the slot "b" on the outer tube.

Installing the front wheel (disc)

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

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Other materials:

Checking 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 ...

Periodic maintenance and adjustment
Periodic inspection, adjustment, and lubrication will keep your vehicle in the safest and most efficient condition possible. Safety is an obligation of the vehicle owner/operator. The most important points of vehicle inspection, adjustment, and lubrication are explained on the followin ...

Installing the steering head
1. Lubricate: Upper bearing Lower bearing Bearing races 2. Install: Lower ring nut Rubber washer Upper ring nut Lock washer Refer to "CHECKING AND ADJUSTING THE STEERING HEAD" on page 3-22. 3. Install: Upper bracket Steering stem nut NOTE: Temporarily tighten t ...