REAR WHEEL. Honda CBR125R

REAR WHEEL/SUSPENSION

REAR WHEEL

REMOVAL

Support the motorcycle using a safety stand or hoist, raise the rear wheel off the ground.

Loosen the lock nut, drive chain adjusting nut and axle nut.

Push the rear wheel forward.

Derail the drive chain from the driven sprocket.

Remove the axle nut.

Do not operate the brake pedal after removing the rear wheel.

Remove the axle and rear wheel.

NUT/AXLE

DRIVE

CHAIN WASHER

LOCK NUT

ADJUSTING

NUT

Remove the side collars.

LEFT SIDE: RIGHT SIDE:

INSPECTION

AXLE

Place the axle on V-blocks.

Turn the axle and measure the runout using a dial indicator.

Actual runout is 1/2 of the total indicator reading.

SERVICE LIMIT: 0.2 mm (0.01 in)

COLLARS

14-5

REAR WHEEL/SUSPENSION

WHEEL RIM

Check the rim runout by placing the wheel in a truing stand.

Spin the wheel by hand, and measure the runout using a dial indicator.

Actual runout is 1/2 of the total indicator reading.

SERVICE LIMITS:

Radial: 2.0 mm (0.08 in)

Axial: 2.0 mm (0.08 in)

Replace the bearings as a set.

WHEEL AND DRIVEN FLANGE BEARINGS

Turn the inner race of each bearing with your finger.

The bearings should turn smoothly and quietly.

Also check that the outer race fits tightly in the wheel hub and driven flange.

Remove and discard the bearings if the races do not turn smoothly, quietly, or if they fit loosely in the wheel hub and driven flange.

WHEEL BALANCE

For wheel balance servicing (page 13-15).

DRIVEN SPROCKET

For driven sprocket inspection (page 3-17).

DISASSEMBLY

Remove the dust seal from the right wheel hub.

Loosen the brake disc mounting bolts in a crisscross pattern in 2 or 3 steps, and remove the bolts and brake disc.

BOLTS DUST SEAL

If you will disassemble the driven flange, loosen the driven sprocket nuts in a crisscross pattern in

2 or 3 steps, before removing the driven flange from the left wheel hub.

Remove the dust seal from the driven flange.

Remove the driven flange assembly.

NUTS DUST SEAL

DRIVEN FLANGE ASSEMBLY

BRAKE DISC

14-6

Remove the damper rubbers and O-ring.

REAR WHEEL/SUSPENSION

DAMPER RUBBERS

Remove the driven sprocket nuts.

NUTS

O-RING

Remove the driven flange collar.

Drive out the driven flange bearing.

COLLAR

Install the bearing remover head into the bearing.

From the opposite side, install the bearing remover shaft and drive out the bearing from the wheel hub.

Remove the distance collar and drive out the other bearing.

TOOLS:

Bearing remover head, 12 mm 07746-0050300

Bearing remover shaft 07746-0050100

BEARING

REMOVER SHAFT

REMOVER HEAD

14-7

REAR WHEEL/SUSPENSION

ASSEMBLY

42 N·m (4.3 kgf·m, 31 lbf·ft)

BEARING (6301UU)

COLLAR

DRIVEN FLANGE

BEARING (6003)

DUST SEAL

DUST SEAL

BRAKE DISC

64 N·m (6.5 kgf·m,

47 lbf·ft)

O-RING BEARING (6301UU)

DISTANCE

COLLAR DAMPER RUBBER

Never install the old bearing, once the bearing has been removed, the bearing must be replaced with new ones.

Drive in a new right side bearing squarely with its marked side facing up until it is fully seated.

Install the distance collar.

Drive in a new left side bearing squarely with its marked side facing up until it is seated on the distance collar.

TOOLS:

Driver

Attachment, 37 x 40 mm

Pilot, 12 mm

07749-0010000

07746-0010200

07746-0040200

ATTACHMENT

DRIVER

DISTANCE

COLLAR

BEARINGS

ATTACHMENT

PILOT

Apply grease to the driven flange bearing rotating area.

Drive in a new driven flange bearing squarely with its sealed side facing up until it is fully seated.

TOOLS:

Driver

Attachment, 37 x 40 mm

Pilot, 17 mm

07749-0010000

07746-0010200

07746-0040400

DRIVER

PILOT BEARING

14-8

Install the collar to the driven flange bearing.

COLLAR

REAR WHEEL/SUSPENSION

Install the driven sprocket to the driven flange.

Loosely install the driven sprocket nuts.

BEARING

NUTS

Apply grease to a new O-ring.

Install the O-ring and wheel damper rubbers into the left wheel hub.

DAMPER RUBBERS

Install the driven flange assembly into the left wheel hub.

DRIVEN FLANGE ASSEMBLY

O-RING

14-9

REAR WHEEL/SUSPENSION

Tighten the nuts to the specified torque in a crisscross pattern in 2 or 3 steps.

TORQUE: 64 N·m (6.5 kgf·m, 47 lbf·ft)

Apply grease to a new dust seal lips.

Install the dust seal to the driven flange.

DUST SEAL

DRIVEN SPROCKET

Do not get grease on the brake disc.

Apply grease to a new dust seal lips.

Install the dust seal to the right wheel hub.

Install the brake disc with the stamped mark

"MIN.TH. 3.5 mm" facing outside.

Install and tighten new brake disc bolts to the specified torque in a crisscross pattern in 2 or 3 steps.

TORQUE: 42 N·m (4.3 kgf·m, 31 lbf·ft)

MARK

BOLTS

INSTALLATION

Install the right side collar (short) and left side collar

(long).

RIGHT SIDE:

NUTS

DUST SEAL

BRAKE DISC

LEFT SIDE:

14-10

Check the slot of the brake caliper/bracket assembly is installed to the boss of the swingarm.

SLOT

COLLARS

SWINGARM

BOSS

CALIPER/BRACKET ASSEMBLY