Page 87 of 108

PERIODIC MAINTENANCE AND ADJUSTMENT
6-37
6
EAU44940
Auxiliary light This model is equipped with an LED-
type auxiliary light.
If the auxiliary light does not come on,
have a Yamaha dealer check it.
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.
1. Auxiliary light
U13SE1E0.book Page 37 Monday, July 7, 2008 1:43 PM
Page 88 of 108

PERIODIC MAINTENANCE AND ADJUSTMENT
6-38
6
EAU24360
Front wheel
EAU33923
To remove the front wheel
WARNING
EWA10821
To avoid injury, securely support the
vehicle so there is no danger of itfalling over.
1. Loosen the front wheel axle pinch
bolts, the axle bolt, and then the
brake caliper bolts.
2. Lift the front wheel off the ground
according to the procedure on
page 6-37.3. Remove the brake hose holder on
each side by removing the bolt and
nut.
4. Remove the brake caliper on each
side by removing the bolts.
5. Remove the axle bolt, push the
wheel axle out from the left side,
and then remove the wheel.
NOTICE: Do not apply the brake
after the brake calipers have
been removed, otherwise the
brake pads will be forced shut.
[ECA11051]EAU33933
To install the front wheel
1. Lift the wheel up between the fork
legs.
2. Insert the wheel axle.
3. Install the axle bolt, and then lower
the front wheel so that it is on the
ground.
4. Install the brake calipers by install-
ing the bolts, and then tightening
them to the specified torque.TIPMake sure that there is enough space
between the brake pads before install-
ing the brake calipers onto the brakediscs.
1. Front wheel axle pinch bolt
1. Brake hose holder
2. Bolt and nut
3. Brake caliper bolt
4. Brake caliper
5. Axle bolt
1. Wheel axle
U13SE1E0.book Page 38 Monday, July 7, 2008 1:43 PM
Page 89 of 108

PERIODIC MAINTENANCE AND ADJUSTMENT
6-39
6 5. Install the brake hose holders by
installing the bolts and nuts.
6. Tighten the axle bolt to the speci-
fied torque.
TIPWhile tightening the axle bolt, hold the
wheel axle with a 19-mm hexagonwrench to keep it from turning.
7. Tighten wheel axle pinch bolt B,
then pinch bolt A to the specified
torque.8. Retighten pinch bolt B to the spec-
ified torque.
9. Tap the outer side of the right fork
leg with a rubber mallet to align it
with the end of the wheel axle.
10. Tighten wheel axle pinch bolt D,
then pinch bolt C to the specified
torque.
11. Retighten pinch bolt D to the spec-
ified torque.12. While applying the front brake,
push down hard on the handlebar
several times to check for proper
fork operation.Tightening torque:
Brake caliper bolt:
35 Nm (3.5 m·kgf, 25 ft·lbf)
Tightening torque:
Axle bolt:
91 Nm (9.1 m·kgf, 66 ft·lbf)
1. Front wheel axle pinch bolt A
2. Front wheel axle pinch bolt B
3. Front wheel axle pinch bolt C
4. Front wheel axle pinch bolt D
Tightening torque:
Wheel axle pinch bolt:
21 Nm (2.1 m·kgf, 15 ft·lbf)
Tightening torque:
Wheel axle pinch bolt:
21 Nm (2.1 m·kgf, 15 ft·lbf)
U13SE1E0.book Page 39 Monday, July 7, 2008 1:43 PM
Page 90 of 108

PERIODIC MAINTENANCE AND ADJUSTMENT
6-40
6
EAU25080
Rear wheel
EAU44951
To remove the rear wheel
WARNING
EWA10821
To avoid injury, securely support the
vehicle so there is no danger of itfalling 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 on each side of
the swingarm.
5. Turn the drive chain slack adjust-
ing bolts in direction (a) to loosen
the drive chain enough so it can be
removed from the rear sprocket,
and then push the wheel forward.
6. Remove the drive chain from the
rear sprocket.
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 cannot be disas-sembled.7. While supporting the brake caliper
bracket, pull the wheel axle out,
and then remove the wheel.
NOTICE: Do not apply the brake
after the wheel has been re-
moved together with the brake
disc, otherwise the brake pads
will be forced shut.
[ECA11071]
EAU39171
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
Be sure to insert the retainer on the
brake caliper bracket into the slot
in the swingarm.
1. Axle nut
2. Drive chain slack adjusting bolt
3. Locknut
4. Brake caliper
5. Brake caliper bracket
1. Wheel axle
U13SE1E0.book Page 40 Monday, July 7, 2008 1:43 PM
Page 91 of 108

PERIODIC MAINTENANCE AND ADJUSTMENT
6-41
6
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 axle nut, and then lower
the rear wheel so that it is on the
ground.
4. Adjust the drive chain slack. (See
page 6-25.)
5. Tighten the axle nut to the speci-
fied torque.6. Tighten the adjusting bolts in direc-
tion (b) to their specified torque.
7. Tighten the locknuts to their speci-
fied torque.
EAU25871
Troubleshooting Although Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur dur-
ing operation. Any problem in the fuel,
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
The following troubleshooting charts
represent quick and easy procedures
for checking these vital systems your-
self. However, should your motorcycle
require any repair, take it to a Yamaha
dealer, whose skilled technicians have
the necessary tools, experience, and
know-how to service the motorcycle
properly.
Use only genuine Yamaha replace-
ment parts. Imitation parts may look like
Yamaha parts, but they are often inferi-
or, have a shorter service life and can
lead to expensive repair bills.
WARNING
EWA15141
When checking the fuel system, do
not smoke, and make sure there are
no open flames or sparks in the ar-
ea, including pilot lights from water
1. Retainer
2. SlotTightening torque:
Axle nut:
110 Nm (11.0 m·kgf, 80 ft·lbf)
Tightening torque:
Drive chain slack adjusting bolt:
2 Nm (0.2 m·kgf, 1.4 ft·lbf)
Tightening torque:
Locknut:
16 Nm (1.6 m·kgf, 11 ft·lbf)
U13SE1E0.book Page 41 Monday, July 7, 2008 1:43 PM
Page 92 of 108
PERIODIC MAINTENANCE AND ADJUSTMENT
6-42
6heaters or furnaces. Gasoline or
gasoline vapors can ignite or ex-
plode, causing severe injury or
property damage.U13SE1E0.book Page 42 Monday, July 7, 2008 1:43 PM
Page 93 of 108

PERIODIC MAINTENANCE AND ADJUSTMENT
6-43
6
EAU42501
Troubleshooting charts Starting problems or poor engine performance
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.
There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.2. Compression
There is compression.
There is no compression.
Check the ignition.
Have a Yamaha dealer
check the vehicle.
Remove the spark plugs
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gaps, or replace the spark plugs.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
The engine does not start.
Check the battery.
Operate the electric starter.4. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.Check the battery lead connections,
and charge the battery if necessary.
DryWet
Operate the electric starter.
U13SE1E0.book Page 43 Monday, July 7, 2008 1:43 PM
Page 94 of 108

PERIODIC MAINTENANCE AND ADJUSTMENT
6-44
6Engine overheating
WARNING
EWAT1040
Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be
blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled.
Place a thick rag, like a towel, over the radiator cap, and then slowly rotate the cap counterclockwise to the de-
tent to allow any residual pressure to escape. When the hissing sound has stopped, press down on the capwhile turning it counterclockwise, and then remove the cap.
TIPIf coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended coolantas soon as possible.
Wait until the
engine has cooled.
Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer checkand repair the cooling system.Add coolant. (See TIP.)
Start the engine. If the engine overheats again,
have a
Yamaha dealer check
and repair the cooling system.
There is
leakage.
There is
no leakage.
U13SE1E0.book Page 44 Monday, July 7, 2008 1:43 PM