2016 YAMAHA YZ85 wheel torque

Periodic maintenance an d a djustment
7-22
7
2. To tighten the drive chain, turn the
drive chain slack adjusting bolt on
each side of the swingarm in di-
rection (a). To loosen the drive
chain, turn the adjusting bolt on
each side of the swingarm in di-
rection (b), and then push the rear
wheel forward. NOTICE: Improp-
er drive chain slack will over-
loa d the en gine as well as other
vital parts of the motorcycle an d
can lead to chain slippa ge or
b reakag e. To prevent this from
occurrin g, keep the d rive chain
slack within the specified limits.
[ECA10572]
TIP
Using the alignment marks on each
drive chain puller, make sure that both
drive chain pullers are in the same po-
sition for proper wheel alignment.
3. Tighten both locknuts and the axle
nut to the specified torques. 4. Make sure that the drive chain
pullers are in the same position,
the drive chain slack is correct,
and the drive chain moves
smoothly.
1. Axle nut
2. Drive chain puller
3. Locknut
4. Drive chain slack adjusting bolt
5. Alignment marks
5 4
32
Ti
ghtenin g torques:
Locknut: 14 Nm (1.4 m·kgf, 10 ft·lbf)
Axle nut:
90 Nm (9.0 m·kgf, 65 ft·lbf)
U1SN84E0.book Page 22 Wednesday, June 10, 2015 10:24 AM

Periodic maintenance an d a djustment
7-29
7 To install the front wheel
1. Lift the wheel up between the fork legs.
TIP
Make sure that there is enough space
between the brake pads before install-
ing the wheel.
2. Insert the wheel axle from the rightside.
3. Lower the front wheel so that it is on the ground, install the remov-
able sidestand, and then rest the
motorcycle on it.
4. Install the washer and axle nut, and then tighten the axle nut to the
specified torque.
EAU25081
Rear wheel
EAU56742
To remove the rear wheel
WARNING
EWA10822
To avoi d injury, securely support the
vehicle so there is no dan ger of it
fallin g over.
1. Loosen the axle nut.
2. Lift the rear wheel off the ground
according to the procedure on
page 7-28.
3. Fully loosen the locknut, and then loosen the drive chain slack ad-
justing bolt on each side of the
swingarm.
4. Remove the axle nut and washer.
5. Push the wheel forward, and then remove the drive chain from the
rear sprocket.
1. Wheel axle
Tightenin g torque:
Axle nut:
70 Nm (7.0 m·kgf, 51 ft·lbf)1. Axle nut
2. Washer
3. Locknut
4. Drive chain slack adjusting bolt
U1SN84E0.book Page 29 Wednesday, June 10, 2015 10:24 AM

Periodic maintenance an d a djustment
7-30
7
TIP
 If the drive chain is difficult to re-
move, remove the wheel axle first,
and then lift the wheel upward
enough to remove the drive chain
from the rear sprocket.
 The drive chain does not need to
be disassembled in order to re-
move and install the rear wheel.
6. While supporting the brake caliper
and slightly lifting the wheel, pull
the wheel axle out.
TIP
A rubber mallet may be useful to tap
the wheel axle out.
7. Remove the wheel. NOTICE: Do
not apply the brake after the
wheel an d b rake disc have been
remove d, otherwise the brake
pa ds will b e forced shut.
[ECA11073]
To install the rear wheel
1. Install the drive chain onto the rear sprocket.
2. Install the wheel and the brake cal- iper bracket by inserting the wheel
axle from the right side.
TIP
Make sure that the slot in the
brake caliper bracket is fit over the
retainer on the swingarm.
 Make sure that there is enough
space between the brake pads
before installing the wheel.
3. Install the washer and axle nut.
4. Lower the rear wheel so that it is
on the ground, install the remov-
able sidestand, and then rest the
motorcycle on it.
5. Adjust the drive chain slack. (See page 7-21.)
6. Tighten the locknuts and the axle nut to their specified torques.
1. Wheel axle
1. Retainer
2. Slot
Tightenin g torque:
Locknut: 14 Nm (1.4 m·kgf, 10 ft·lbf)
Axle nut: 90 Nm (9.0 m·kgf, 65 ft·lbf)
2 1
U1SN84E0.book Page 30 Wednesday, June 10, 2015 10:24 AM