wheel torque YAMAHA TDR 125 2002 Owners Manual

6-26
PERIODIC MAINTENANCE AND MINOR REPAIR
6
EAU03752
To adjust the drive chain slack
1. Loosen the axle nut, then loosen
the locknut at each end of the
swingarm.
2. To tighten the drive chain, turn
the adjusting nut at each end of
the swingarm in direction a. To
loosen the drive chain, turn the
adjusting nut at each end of the
swingarm in direction b, and
then push the rear wheel for-
ward.
NOTE:
Using the alignment marks on each
side of the swingarm, make sure that
both adjusting nuts 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.3. Tighten the locknuts, and then
tighten the axle nut to the speci-
fied torque.
EAU03006
Lubricating the drive chainThe drive chain must be cleaned and
lubricated at the intervals specified in
the periodic maintenance and lubrica-
tion chart, otherwise it will quickly
wear out, especially when riding in
dusty or wet areas. Service the drive
chain as follows.
EC000097
cCThe drive chain must be lubricated
after washing the motorcycle or
riding in the rain.1. Clean the drive chain with
kerosene and a small soft brush.
ECA00053
cCTo prevent damaging the O-rings,
do not clean the drive chain with
steam cleaners, high-pressure
washers or inappropriate solvents.
1
4
2
3
a
b1. Axle nut
2. Locknut
3. Adjusting nut
4. Alignment marks
Tightening torque:
Axle nut:
104 Nm (10.4 m0kgf)
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6-38
PERIODIC MAINTENANCE AND MINOR REPAIR
6 2. Loosen the front wheel axle
pinch bolt, then the wheel axle.
3. Lift the front wheel off the ground
according to the procedure on
page 6-37.
4. Pull the wheel axle out, and then
remove the wheel.
ECA00048
cCDo not apply the brake after the
wheel has been removed together
with the brake disc, otherwise the
brake pads will be forced shut.
EAU04273
To install the front wheel
Installing
1. Install the speedometer gear unit
into the wheel hub so that the
projections mesh with the slots.
2. Lift the wheel up between the
fork legs.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.
4. Lower the front wheel so that it is
on the ground.
5. Tighten the wheel axle to the
specified torque.
6. Tighten the front wheel axle
pinch bolt to the specified torque.
7. Push down hard on the handle-
bar several times to check for
proper fork operation.
2
1
1
1
1. Pinch bolt
2. Wheel axle1. Speedometer gear unit 1. Retainer
Tightening torque:
Wheel axle:
59 Nm (5.9 m0kgf)
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6-39
PERIODIC MAINTENANCE AND MINOR REPAIR
68. Connect the speedometer cable.
EAU03755
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.2. Lift the rear wheel off the ground
according to the procedure on
page 6-37.
3. Remove the axle nut.
4. Loosen the locknut and the drive
chain slack adjusting nut on each
end of the swingarm.
5. 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.
1
2
3
1. Axle nut
2. Locknut
3. Adjusting nut
Tightening torque:
Front wheel axle pinch bolt:
20 Nm (2.0 m0kgf)
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6-40
PERIODIC MAINTENANCE AND MINOR REPAIR
6 6. While supporting the brake
caliper, pull the wheel axle out.
7. Remove the wheel.
ECA00048
cCDo not apply the brake after the
wheel has been removed together
with the brake disc, otherwise the
brake pads will be forced shut.
EAU01620
To install the rear wheel
1. Install the brake caliper onto the
swingarm as shown.NOTE:
Make sure that the slot in the brake
caliper bracket fits over the retainer
on the swingarm.2. Install the drive chain onto the
rear sprocket.
3. Insert the wheel axle from the
left-hand side, install the axle
nut, and then lower the rear
wheel so that it is on the ground.
NOTE:
Make sure that there is enough
space between the brake pads
before inserting the brake disc
between the brake pads.4. Adjust the drive chain slack.
(See page 6-26 for drive chain
slack adjustment procedures.)
5. Tighten the axle nut to the speci-
fied torque.
1
1. Retainer
Tightening torque:
Axle nut:
104 Nm (10.4 m0kgf)
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