Page 57 of 88

6-26
PERIODIC MAINTENANCE AND MINOR REPAIR
6
EAU04369
To adjust the drive chain slack
1. Loosen the brake pedal free play
adjusting nut.
2. Loosen the axle nut.
3. To tighten the drive chain, turn
the adjusting plate on each side
of the swingarm in direction a.
To loosen the drive chain, turn
the adjusting plate on each side
of the swingarm in direction b,
and then push the rear wheel for-
ward.
NOTE:
Make sure that both adjusting plates
are in the same position for proper
wheel alignment.
EC000096
cCImproper drive chain slack will
overload the engine as well as
other vital parts of the motorcycle
and can lead to chain slippage or
breakage. To prevent this from
occurring, keep the drive chain
slack within the specified limits.4. Tighten the axle nut to the speci-
fied torque.5. Adjust the brake pedal free play.
(See page 6-21 for brake pedal
free play adjustment proce-
dures.)
EW000103
wAfter adjusting the brake pedal
free play, check the operation of
the brake light.
32
a
b
1
1. Brake pedal free play adjusting nut
2. Axle nut
3. Drive chain adjusting plate
Tightening torque:
Axle nut:
90 Nm (9.0 m·kgf)
5RS-9-E0 (TW125) 7/30/01 6:03 PM Page 56
Page 71 of 88

6-40
PERIODIC MAINTENANCE AND MINOR REPAIR
6
NOTE:
Make sure that there is enough
space between the brake pads
before inserting the brake disc and
that the slot in the speedometer gear
unit fits over the retainer on the fork
leg.3. Insert the wheel axle, and then
install the axle nut.
4. Lower the front wheel so that it is
on the ground.5. Tighten the axle nut to the speci-
fied torque.
6. Place the rubber cover at the
bottom of the right-side fork leg
in the original position.
7. Install the rubber cover at the
bottom of the left-side fork leg.
8. Connect the speedometer cable.
2 1
1. Retainer
2. Speedometer cable
Tightening torque:
Axle nut:
90 Nm (9.0 m·kgf)
EAU03519
Rear wheelTo remove the rear wheel
EW000122
w8It is advisable to have a
Yamaha dealer service the
wheel.
8Securely support the motorcy-
cle so that there is no danger
of it falling over.1. Loosen the axle nut.
5
a2
1
3
4
1. Axle nut
2. Brake pedal free play adjusting nut
3. Brake rod
4. Brake camshaft lever
5. Drive chain adjusting plate
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Page 72 of 88

6-41
PERIODIC MAINTENANCE AND MINOR REPAIR
6 2. Remove the brake pedal free
play adjusting nut, and then dis-
connect the brake rod from the
brake camshaft lever.
3. Turn the drive chain adjusting
plate on each side of the
swingarm fully in direction a.
4. Lift the rear wheel off the ground
according to the procedure on
page 6-37.
5. Remove the axle nut, and then
pull the wheel axle out.
6. Push the wheel forward, and
then remove the drive chain from
the rear sprocket.
NOTE:
The drive chain does not need to be
disassembled in order to remove and
install the wheel.7. Remove the wheel.
EAU03520
To install the rear wheel
1. Insert the wheel axle from the
left-hand side.NOTE:
Make sure that the drive chain adjust-
ing plates are installed with the
punched sides facing to the outside
and that the slot in the brake shoe
plate fits over the retainer on the
swingarm.
1
1. Retainer
2. Install the drive chain onto the
rear sprocket, and then adjust
the drive chain slack. (See page
6-26 for drive chain slack adjust-
ment procedures.)
3. Install the axle nut, and then
lower the rear wheel so that it is
on the ground.
4. Tighten the axle nut to the speci-
fied torque.
5. Install the brake rod onto the
brake camshaft lever, and then
install the brake pedal free play
adjusting nut onto the brake rod.
6. Adjust the brake pedal free play.
(See page 6-21 for brake pedal
free play adjustment proce-
dures.) Tightening torque:
Axle nut:
90 Nm (9.0 m·kgf)
5RS-9-E0 (TW125) 7/30/01 6:03 PM Page 71