2010 YAMAHA WR 250R wheel bolts

PERIODIC MAINTENANCE AND ADJUSTMENT
6-37
6
EAU24350
Supporting the motorcycle Since this model is not equipped with a
centerstand, follow these precautions
when removing the front and rear
wheel or performing other maintenance
requiring the motorcycle to stand up-
right. Check that the motorcycle is in a
stable and level position before starting
any maintenance. A strong wooden
box can be placed under the engine for
added stability.
To service the front wheel
1. Stabilize the rear of the motorcycle
by using a motorcycle stand or, if
an additional motorcycle stand is
not available, by placing a jack un-
der the frame in front of the rear
wheel.
2. Raise the front wheel off the
ground by using a motorcycle
stand.
To service the rear wheel
Raise the rear wheel off the ground by
using a motorcycle stand or, if a motor-
cycle stand is not available, by placinga jack either under each side of the
frame in front of the rear wheel or under
each side of the swingarm.
EAU24360
Front wheel
EAU49330
To remove the front wheel
WARNING
EWA10821
To avoid injury, securely support the
vehicle so there is no danger of it
falling over.1. Remove the rubber cap, and then
loosen the front wheel axle pinch
bolts and the axle nut.1. Front wheel axle pinch bolt
2. Axle nut
3. Rubber cap
23
1
U32DE4E0.book Page 37 Monday, December 14, 2009 2:24 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-38
6 2. Lift the front wheel off the ground
according to the procedure on
page 6-37.
3. Remove the axle nut.
4. Pull the wheel axle out, and then
remove the wheel. NOTICE: Do
not apply the brake after the
wheel has been removed to-
gether with the brake disc, oth-
erwise the brake pads will be
forced shut.
[ECA11071]
EAU49340
To install the front wheel
1. Lift the wheel up between the fork
legs.
TIPMake sure that there is enough space
between the brake pads before install-
ing the brake caliper onto the brake
disc.2. Insert the wheel axle.
3. Install the axle nut.
4. Lower the front wheel so that it is
on the ground, and then put the
sidestand down.
5. Tighten the axle nut and the wheel
axle pinch bolts to their specified
torques, and then install the rubber
cap.
6. Push down hard on the handlebar
several times to check for proper
fork operation.
EAU25080
Rear wheel
EAU45182
To remove the rear wheel
WARNING
EWA10821
To avoid injury, securely support the
vehicle so 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 and washer.
4. Loosen the locknut on each side of
the swingarm.
1. Front wheel axle pinch bolt
2. Wheel axle
1
2
Tightening torques:
Axle nut:
63 Nm (6.3 m·kgf, 46 ft·lbf)
Wheel axle pinch bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
1. Axle nut
2. Washer
1
2
U32DE4E0.book Page 38 Monday, December 14, 2009 2:24 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-39
65. Turn the drive chain slack adjust-
ing bolts fully in direction (a).
6. Push the wheel forward, and then
remove the drive chain from the
rear sprocket.
TIPThe drive chain does not need to be
disassembled in order to remove and
install the rear wheel.7. While supporting the brake caliper,
pull the wheel axle out.8. Remove the wheel. NOTICE: Do
not apply the brake after the
wheel has been removed to-
gether with the brake disc, oth-
erwise the brake pads will be
forced shut.
[ECA11071]
EAU45191
To install the rear wheel
1. Install the wheel and the brake cal-
iper bracket by inserting the wheel
axle from the left-hand side.TIP

Make sure that the retainer on the
brake caliper bracket is inserted
into the slot in the swingarm.


Make sure that there is enough
space between the brake pads be-
fore installing the wheel.
2. Install the drive chain onto the rear
sprocket.
3. Install the washer and the axle nut.
4. Lower the rear wheel so that it is
on the ground, and then put the
sidestand down.
5. Adjust the drive chain slack. (See
page 6-25.)
6. Tighten the axle nut to the speci-
fied torque.
1. Drive chain slack adjusting bolt
2. Locknut
3. Brake caliper
12
3 (a)
1. Wheel axle
1
1. Brake caliper bracket
2. Retainer
3. Slot
1
2
3
U32DE4E0.book Page 39 Monday, December 14, 2009 2:24 PM