wheel YAMAHA TTR125 2001 Service Manual

5 - 28
CHASREAR WHEEL AND REAR BRAKE
4. Inspect:
lBrake drum inner surface.
Oil/scratches ® Remove.
OilUse a rag soaked in lac-
quer thinner or a solvent.
ScratchesUse a emery cloth (lightly
and evenly polishing).
ASSEMBLY AND INSTALLATION
Brake shoe plate assembly
1. Install:
lBrake camshaft 1
NOTE:
Apply the lithium soap base grease on the
brake camshaft.
2. Check:
lBrake camshaft operation
Unsmooth operation ® Repair.
3. Install:
lWear indicator plate 1
NOTE:
When installing the wear indicator plate to the
brake camshaft align the projection a on the
wear indicator plate with the slots b on the
brake camshaft.
4. Install:
lBrake camshaft lever 1
NOTE:
Install the brake camshaft lever in relation to
the punch mark a as shown.
T R..10 Nm (1.0 m · kg, 7.2 ft · lb)

5 - 29
CHASREAR WHEEL AND REAR BRAKE
5. Install:
lSprings 1
lBrake shoes 2
On brake shoe plate 3
NOTE:
lApply the lithium soap base grease on the
pivot pin.
lWhen installing the springs and brake shoes,
take care not to damage the springs.
lWhen replacing the brake shoes, replace the
springs as a set.
WARNING
Do not apply grease to the brake shoe lin-
ings.
New
Rear wheel
1. Install:
lWheel bearing 1
lSpacer 2
lWheel bearing 3
lOil seal 4
NOTE:
lApply the lithium soap base grease on the oil
seal lip when installing.
lInstall the bearing with seal facing outward.
lUse a socket that matches the outside diam-
eter of the race of the bearing.
lRight side of bearing shall be installed first.
lInstall the oil seal with its manufacture’s
marks or numbers facing outward.
CAUTION:
Do not strike the inner race of the bearing.
Contact should be made only with the outer
race.
New

5 - 30
CHASREAR WHEEL AND REAR BRAKE
2. Install:
lWheel sprocket 1
lLock washers 2
NOTE:
lTighten the nuts in stage, using a crisscross
pattern.
lBend the lock washer tab.
New
T R..26 Nm (2.6 m · kg, 19 ft · lb)
3. Install:
lCollar (left)
lBrake shoe plate assembly
lCollar (right)
NOTE:
Apply the lithium soap base grease on the oil
seal lip.
4. Install:
lRear wheel
NOTE:
Make sure that the slot a on the brake shoe
plate with the stopper b on the swingarm.
5. Install:
lDrive chain 1
NOTE:
Push the wheel 2 forward and install the drive
chain.
6. Install:
lDrive chain puller (left) 1
lPlain washer 2
lWheel axle 3
NOTE:
lApply the lithium soap base grease on the
wheel axle.
lInsert the wheel axle from left side.

5 - 31
CHAS

REAR WHEEL AND REAR BRAKE
7. Install:
l
Drive chain puller (right)
1

l
Plain washer
2

l
Axle nut
3

NOTE:

Temporarily tighten the axle nut at this point.
8. Adjust:
l
Drive chain slack
a

Refer to “DRIVE CHAIN SLACK
ADJUSTMENT” section in the CHAP-
TER 3.
Drive chain slack:
35 ~ 50 mm (1.4 ~ 2.0 in)
9. Tighten:
l
Axle nut
1

T R..60 Nm (6.0 m · kg, 43 ft · lb)

10. Install:
l
Spring
1

l
Brake rod
2

l
Pin
3

l
Wing nut
4

On brake camshaft lever
5
.
11. Adjust:
l
Brake pedal free play
Refer to “REAR BRAKE ADJUST-
MENT” section in the CHAPTER 3.

5 - 32
CHASFRONT FORK
EC550000
FRONT FORK
Extent of removal:1 Front fork removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalFRONT FORK REMOVAL
Hold the machine by placing the
suitable stand under the engine.
WARNING
Support the machine securely so there is nodanger of it falling over.
Front wheel Refer to “FRONT WHEEL AND FRONT
BRAKE” section.
(Refer to “FRONT WHEEL” section for
the TT-R125LW.)
Handlebar Refer to “HANDLEBAR” section.
1 Cap 1
2 Pinch bolt (upper bracket) 1 Only loosening.
3 Cap bolt 1Loosen when disassembling the front fork.
4 Pinch bolt (lower bracket) 1 Only loosening.
5Front fork
1
1

5 - 55
CHASSWINGARM
EC570000
SWINGARM
Extent of removal:1 Swingarm removal
Extent of removal Order Part name Q’ty Remarks
Preparation for removalSWINGARM REMOVAL
Hold the machine by placing the
suitable stand under the engine.
WARNING
Support the machine securely so there is nodanger of it falling over.
Rear wheel Refer to “REAR WHEEL AND REAR
BRAKE” section.
1 Drive chain tensioner (upper) 1
2 Drive chain tensioner (lower) 1
3 Bolt (connecting arm-frame) 1
4 Bolt (rear shock absorber-relay arm) 1Hold the swingarm.
5 Pivot shaft 1
6 Swingarm 1
1