Page 81 of 102
PERIODIC MAINTENANCE AND MINOR REPAIR
6-27
6
EAU23271
Checking the front fork The condition and operation of the front
fork must be checked as follows at the
intervals specified in the periodic main-
tenance and lubrication chart.
To check the condition
WARNING
EWA10750
Securely support the vehicle so thatthere is no danger of it falling over.
Check the inner tubes for scratches,
damage and excessive oil leakage.
To check the operation
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion.
2. While applying the front brake,
push down hard on the handlebars
several times to check if the front
fork compresses and rebounds
smoothly.
CAUTION:
ECA10590
If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or re-pair it.
EAU23280
Checking the steering Worn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the pe-
riodic maintenance and lubrication
chart.
1. Place a stand under the engine to
raise the front wheel off the
ground.
WARNING
EWA10750
Securely support the vehicle so thatthere is no danger of it falling over.
2. Hold the lower ends of the front
fork legs and try to move them for-
ward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the steering.
U3P6E2E0.book Page 27 Friday, September 14, 2007 9:43 AM
Page 82 of 102
PERIODIC MAINTENANCE AND MINOR REPAIR
6-28
6
EAU23290
Checking the wheel bearings The front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings.
EAU39520
Battery The battery is located under panel A.
(See page 6-7.)
This vehicle is equipped with a sealed-
type (MF) battery, which does not re-
quire any maintenance. There is no
need to check the electrolyte or to add
distilled water.
To charge the battery
Have a Yamaha dealer charge the bat-
tery as soon as possible if it seems to
have discharged. Keep in mind that the1. Battery
2. Positive battery lead (red)
3. Negative battery lead (black)
U3P6E2E0.book Page 28 Friday, September 14, 2007 9:43 AM
Page 83 of 102
PERIODIC MAINTENANCE AND MINOR REPAIR
6-29
6 battery tends to discharge more quickly
if the vehicle is equipped with optional
electrical accessories.
WARNING
EWA10760
Electrolyte is poisonous and
dangerous since it contains sul-
furic acid, which causes severe
burns. Avoid any contact with
skin, eyes or clothing and al-
ways shield your eyes when
working near batteries. In case
of contact, administer the fol-
lowing FIRST AID.
EXTERNAL: Flush with plenty
of water.
INTERNAL: Drink large quan-
tities of water or milk and im-
mediately call a physician.
EYES: Flush with water for 15
minutes and seek prompt
medical attention.
Batteries produce explosive hy-
drogen gas. Therefore, keep
sparks, flames, cigarettes, etc.,
away from the battery and pro-
vide sufficient ventilation when
charging it in an enclosed
space.
KEEP THIS AND ALL BATTER-
IES OUT OF THE REACH OFCHILDREN.
To store the battery
1. If the vehicle will not be used for
more than one month, remove the
battery, fully charge it, and then
place it in a cool, dry place.
2. If the battery will be stored for more
than two months, check it at least
once a month and fully charge it if
necessary.
3. Fully charge the battery before in-
stallation.
4. After installation, make sure that
the battery leads are properly con-
nected to the battery terminals.
CAUTION:
ECA10630
Always keep the battery
charged. Storing a discharged
battery can cause permanent
battery damage.
To charge a sealed-type (MF)
battery, a special (constant-volt-
age) battery charger is required.
Using a conventional batterycharger will damage the battery.
If you do not have access to a
sealed-type (MF) battery charg-
er, have a Yamaha dealer
charge your battery.
U3P6E2E0.book Page 29 Friday, September 14, 2007 9:43 AM
Page 84 of 102
PERIODIC MAINTENANCE AND MINOR REPAIR
6-30
6
EAU23658
Replacing the fuses The main fuse, the fuse boxes and the
ABS motor fuse are located under pan-
el A. (See page 6-7.)
If a fuse is blown, replace it as follows.
1. Turn the key to “OFF” and turn off
the electrical circuit in question.
2. Remove the blown fuse, and then
install a new fuse of the specified
amperage.1. Main fuse
2. Fuse box
3. ABS motor fuse
4. ABS motor spare fuse
1. Fuse box
2. Right radiator fan fuse
3. Left radiator fan fuse
4. Hazard fuse
5. Backup fuse (for odometer, clock and immo-
bilizer system)
6. ABS solenoid fuse
7. Fuel injection system fuse
8. Headlight fuse
9. Signaling system fuse
10.ABS control unit fuse
11.Ignition fuse
12.Auxiliary DC jack fuse
13.Spare fuse
Specified fuses:
Main fuse:
50.0 A
Headlight fuse:
25.0 A
Signaling system fuse:
15.0 A
Ignition fuse:
10.0 A
Radiator fan fuse:
15.0 A × 2
Backup fuse:
10.0 A
Hazard fuse:
10.0 A
Fuel injection system fuse:
15.0 A
ABS solenoid fuse:
20.0 A
ABS control unit fuse:
10.0 A
Auxiliary DC jack fuse:
3.0 A
ABS motor fuse:
30.0 A
U3P6E2E0.book Page 30 Friday, September 14, 2007 9:43 AM
Page 85 of 102
PERIODIC MAINTENANCE AND MINOR REPAIR
6-31
6
CAUTION:
ECA10640
Do not use a fuse of a higher amper-
age rating than recommended to
avoid causing extensive damage to
the electrical system and possibly afire.
3. Turn the key to “ON” and turn on
the electrical circuit in question to
check if the device operates.
4. If the fuse immediately blows
again, have a Yamaha dealer
check the electrical system.
EAU40360
Headlight bulb If a headlight does not come on, have a
Yamaha dealer check its electrical cir-
cuit or replace the bulb.
EAU39880
Front turn signal light If a front turn signal light does not come
on, have a Yamaha dealer check its
electrical circuit or replace the bulb.
U3P6E2E0.book Page 31 Friday, September 14, 2007 9:43 AM
Page 86 of 102
PERIODIC MAINTENANCE AND MINOR REPAIR
6-32
6
EAU27001
Replacing a rear turn signal
light bulb or a tail/brake light
bulb 1. Remove the passenger seat. (See
page 3-20.)
2. Remove the socket (together with
the bulb) by turning it counter-
clockwise.
3. Remove the defective bulb by
pushing it in and turning it counter-
clockwise.
4. Insert a new bulb into the socket,
push it in, and then turn it clock-
wise until it stops.
5. Install the socket (together with the
bulb) by turning it clockwise.6. Install the passenger seat.
EAU24310
Replacing the license plate
light bulb 1. Remove the license plate light unit
by removing the screws.
2. Remove the socket (together with
the bulb) by pulling it out.
1. Turn signal light bulb socket
2. Tail/brake light bulb socket
1. Screw
2. License plate light unit
1. License plate light bulb
U3P6E2E0.book Page 32 Friday, September 14, 2007 9:43 AM
Page 87 of 102
PERIODIC MAINTENANCE AND MINOR REPAIR
6-33
6 3. Remove the defective bulb by pull-
ing it out.
4. Insert a new bulb into the socket.
5. Install the socket (together with the
bulb) by pushing it in.
6. Install the license plate light unit by
installing the screws.
EAU39020
Auxiliary light bulb If the auxiliary light does not come on,
have a Yamaha dealer check the elec-
trical circuit or replace the bulb.
EAU25870
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.
U3P6E2E0.book Page 33 Friday, September 14, 2007 9:43 AM
Page 88 of 102
PERIODIC MAINTENANCE AND MINOR REPAIR
6-34
6
EAU42500
Troubleshooting charts Starting problems or poor engine performance
WARNING
EWA10840
Keep away open flames and do not smoke while checking or working on the fuel system.
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.
U3P6E2E0.book Page 34 Friday, September 14, 2007 9:43 AM
