PERIODIC MAINTENANCE AND ADJUSTMENT
7-16
1
2
3
4
\f
6
7
8
\b
10
EAU21631
Tires
To maximize t\fe performa\bce, durabil-
ity, a\bd safe operatio\b of your motor-
cycle, \bote t\fe followi\bg poi\bts regard-
i\bg t\fe specified tire\ts.
Tire air pressure
T\fe tire air pressure s\fould be
c\fecked a\bd, if \becessary, adjusted
before eac\f ride.
EWA10501
WARNING0
Operation of this vehicle with im-
proper tire pressure may cause se-
vere injury or death from loss of
control.
●The tire air pressure must be
checked and adjusted on cold
tires (i.e., when the tempera-
ture of the tires equals the am-
bient temperature).
●The tire air pressure must be
adjusted in accordance with
the riding speed and with the
total weight of rider, passenger,
cargo, and accessories ap-
proved for this mode\4l.
EAU21382
Checking the throttle cable
free play
1. T\frottle cable free play
T\fe t\frottle cable free play s\fould
measure 3.0-5.0 mm (0.12-0.20 i\b) at
t\fe t\frottle grip. Periodically c\feck t\fe
t\frottle cable free play a\bd, if \beces-
sary, \fave a Yama\fa dealer adjust i\tt.
EAU21401
Valve clearance
T\fe valve cleara\bce c\fa\bges wit\f
use, resulti\bg i\b improper air-fuel mix-
ture a\bd/or e\bgi\be \boise. To preve\bt
t\fis from occurri\bg, t\fe valve clear-
a\bce must be adjusted by a Yama\fa
dealer at t\fe i\btervals specified i\b t\fe
periodic mai\bte\ba\bce a\bd lubricatio\b
c\fart.
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:09 Pagina 7-16
PERIODIC MAINTENANCE AND ADJUSTMENT
7-28
1
2
3
4
\f
6
7
8
\b
10
EAU23272
Checking the front fork
The condition and o\feration of the
front fork \bust be checked as follows
at the inter vals s\fecified in the
\feriodic \baintenance and lubrication
chart.
To check the condition
Check the inner tubes for scratches,
da\bage and excessive oil leakage.
To check the operation 1. Place the \botorcycle on a level surface and hold it in an u\fright
\fosition. WARNING! To avoid in-
jury, securely support the vehi-
cle so there is no danger of it
falling over.
2. While a\f\flying the front brake, \fush down hard on the handle-
bars several ti\bes to check if the
front fork co\b\fresses and re-
bounds s\boothly.
ECA10590
NOTICE
If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or re-
pair it.
EAUM1650
Lubricating the swingarm
pivots
The swingar\b \fivots \bust be lubricat-
ed at the intervals s\fecified in the \fe-
riodic \baintenance and lubrication
chart.
Recommended lubric\4ant: Lithiu\b-soa\f-based g\arease
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:10 Pagina 7-28
PERIODIC MAINTENANCE AND ADJUSTMENT
7-30
1
2
3
4
\f
6
7
8
\b
10
EWA10760
WARNING0
●Electrolyte is poisonous and
dangerous since it contains
sulfuric acid, which causes se-
vere burns. Avoid any contact
with skin, eyes or clothing and
always 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 p\4hysician.
EYES: Flush with water for 1\f
minutes and seek prompt
medical attention.\4
●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 OF
CHILDREN.
EAUB1432
Battery
This \fode\b is equipped with a VRLA
(Va\bve Regu\bated Lead Acid) battery.
There is no need to check the e\bec-
tro\byte or to add disti\b\bed water. Howev-
er, the battery \bead connections need
to be checked and, if necessary, tight-
ened.
ECA10620
NOTICE
Never attempt to remove the bat-
tery cell seals, as this would perma-
nently damage the \4battery.
1. Positive battery ter\fina\b
2. Negative battery ter\fina\b
To access the battery
Re\fove the battery ho\bder bracket by
re\foving the bo\bts.
To charge the battery
Have a Ya\faha dea\ber charge the bat-
tery as soon as possib\be if it see\fs to
have discharged. Keep in \find that
the battery tends to discharge \fore
quick\by if the vehic\be is equipped with
optiona\b e\bectrica\b accessories.
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:10 Pagina 7-30
PERIODIC MAINTENANCE AND ADJUSTMENT
7-36
1
2
3
4
\f
6
7
8
\b
10
To service the rear wheel
Raise the rear wheel off the grou\fd by
usi\fg a \botorcycle sta\fd or, if a \bo-
torcycle sta\fd is \fot available, by plac-
i\fg a jack either u\fder each side of the
fra\be i\f fro\ft of the rear wheel or u\f-
der each side of t\uhe swi\fgar\b.EAU24360
Front wheelEAUB1440To remove the front wheel
EWA10820
WARNING0
●It is advisable to have a Yama-
ha dealer service t\4he wheel.
●Securely support the motorcy-
cle so that there is no danger of
it falling over.
1. Wheel axle
2. Brake caliper bolts
A. Fro\ft wheel axle pi\fch bolt
B. Fro\ft wheel axle pi\fch bolt
A
2
B
1
EAU24350
Supporting the motorcycle
Si\fce this \bodel is \fot equipped with
a ce\ftersta\fd, follow these precau-
tio\fs whe\f re\bovi\fg the fro\ft a\fd rear
wheel or perfor\bi\fg other \bai\fte-
\fa\fce requiri\fg the \botorcycle to
sta\fd upright. Check that the \botorcy-
cle is i\f a stable a\fd level positio\f be-
fore star ti\fg a\fy \bai\fte\fa\fce. A
stro\fg woode\f box ca\f be placed u\f-
der the e\fgi\fe for added stability.
To service the front wheel 1. Stabilize the rear of the \botorcy- cle by usi\fg a \botorcycle sta\fd
or, if a\f additio\fal \botorcycle
sta\fd is \fot available, by placi\fg a
jack u\fder the fra\be i\f fro\ft of the
rear wheel.
2. Raise the fro\ft wheel off the grou\fd by usi\fg a \botorcycle
sta\fd.
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:10 Pagina 7-36
PERIODIC MAINTENANCE AND ADJUSTMENT
7-38
1
2
3
4
\f
6
7
8
\b
10
TIP
●If the drive chain is difficu\ft to re-
move, remove the \bhee\f ax\fe first,
and then \fift the \bhee\f up\bard
enough to remove the drive chain
from the rear sprocket.
●The drive chain cannot be disas-
semb\fed.
7. Whi\fe suppor ting the brake ca\fiper bracket, pu\f\f the \bhee\f
ax\fe out, and then remove the
\bhee\f. NOTICE: Do not apply
the brake after the wheel has
been removed together with
the brake disc, otherwise the
brake pads will be\4 forced shut.
EAUB1450
To install the rear wheel 1. Insta\f\f the \bhee\f and the brake ca\fiper bracket by inserting the
\bhee\f ax\fe from the right-hand
side.
EAU25080
Rear wheelEAU25312
To remove the rear wheelEWA10821
WARNING0
To avoid injury, securely support
the vehicle so there is no danger of
it falling over.
1. Whee\f ax\fe nut
2. Drive chain s\fack adjusting bo\ft
3. Locknut
4. Drive chain
3
4
1
1. Whee\f ax\fe
2. Drive chain s\fack adjusting bo\ft
3. Locknut
4. Brake ca\fiper
1. Loosen the ax\fe nut.
2. Lift the rear \bhee\f off the groundaccording to the procedure on
page 7-36.
3. Remove the ax\fe nut.
4. Loosen the \focknut on each side of the s\bingarm.
5. Turn the drive chain s\fack adjust- ing bo\fts fu\f\fy in direction (a) and
push the \bhee\f for\bard.
6. Remove the drive chain from the rear sprocket.
4
3
1
2
a
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:10 Pagina 7-38
MOTORCYCLE CARE AND STORAGE
8-3
1
2
3
4
5
\f
7
8
9
1\b
8. Let the motorcycle dry completely before \ftoring or co\bering it.
EWA11131
WARNING0
Contaminants on the brakes or
tires can cause loss \5of control.
●Make sure that there is no oil or
wax on the brakes \5or tires.
●If necessary, clean the brake
discs and brake linings with a
regular brake disc cleaner or
acetone, and wash the tires
with warm water and a mild de-
tergent. Before riding at higher
speeds, test the motorcycle's
braking performance and cor-
nering behavior.
ECA10800
NOTICE
●Apply spray oil and wax spar-
ingly and make sure to wipe off
any excess
●Never apply oil or wax to any
rubber and plastic parts, but
treat them with a suitable care
product.
●Avoid using abrasive polishing
compounds as they will wear
away the paint.
TIP
●Con\fult a Yamaha dealer for ad-
\bice on what product\f\f to u\fe.
●Wa\fhing, rainy weather or humid
climate\f can cau\fe the headlight
len\f to fog. Turning the headlight
on for a \fhort period of time will
help remo\be the moi\fture from
the len\f.
EAUM1901
Storage
Short-term
Alway\f \ftore your motorcycle in a cool,
dry place and, if nece\f\fary, protect it
again\ft du\ft with a porou\f co\ber.
ECA10810
NOTICE
●Storing the motorcycle in a
poorly ventilated room or cov-
ering it with a tarp, while it is
still wet, will allow water and
humidity to seep in and cause
rust.
●To prevent corrosion, avoid
damp cellars, stables (because
of the presence of ammonia)
and areas where strong chemi-
cals are stored.
XT660Z 08-10 ING-AUS:MY03 07-10 ING 11-05-2009 10:10 Pagina 4
SPECIFICATIONS
9-3
1
2
3
4
5
6
7
8
9
1\f
Rea\b suspension:
Type: Swingarm (lin\f suspension\b
Spring/damper type: Coil spring/gas-oil damper, spring
preload adjustable
Wheel travel: 200 mm (7.87 in\b
Elect\bical system:
Ignition system:Transistorized coil ignition (digital\b
Charging system: A.C. magneto
Batte\by:
Model:GT9B-4
Voltage, capacity: 12 V, 8 Ah
Headlight:
Bulb type:Halogen bulb
Bulb voltage, wattage x quantity:Headlight:12 V, 55 W x 2
Auxiliary light: 12 V, 5 W x 2
Tail/bra\fe light: LED
Front turn signal light: 12 V, 10 W x 2
Rear turn signal light: 12 V, 10 W x 2
Meter lighting: LED (bac\flight\b Neutral indicator light:
LED
Turn signal indicator light: LED
High beam indicator light: LED
Coolant temperature warning light: LED
Engine trouble warning light: LED
Immobilizer system indicator light: LED
Fuses:Main fuse:
30 A
Headlight fuse: 20 A
Signaling system fuse: 10 A
Ignition fuse: 10 A
Par\fing lighting fuse: 10 A
Radiator fan fuse: 7.5 A
Fuel injection system fuse: 10 A
Bac\fup fuse (for odometer, cloc\f and immobilizer\b:
10 A
XT660Z 08-10 ING-AUS:MY03 07-10 ING 11-05-2009 10:10 Pagina 8
1
2
3
4
5
6
7
8
9
10
INDEX
AAftermarket Parts, Accessories, and Modifications ...................................\f\.-4
Aftermarket Tires and \bims ...............\f-4
Air filter element, cleaning the check hose ....................................\...........7-14
Air filter element, replacing ..............7-14
Auxiliary light bulb, replacing............7-35
Avoid Carbon Monoxide poisoning ....\f-\f
B Battery ....................................\...........7-30 To access the battery ...................7-30
To charge the battery....................7-30
To store the battery.......................7-31
Be a \besponsible Owner ...................\f-1
Brake and clutch levers, checking and lubricating ..............................7-\f6\.
Brake fluid ....................................\.....7-\f\f Changing ....................................\...7-\f3
Checking fluid level .......................7-\f\f
Brake lever ....................................\....4-11
Brake pads, checking .......................7-\f1
Brake pedal ....................................\...4-11 Checking ....................................\....7-\f7
Lubricating ....................................\.7-\f7
C Cables, checking and lubricating .....7-\f5
Carbon Monoxide (avoid Carbon Monoxide poisoning).......................\f-\f
Care and storage ...............................8-1\. Catalytic converter ...........................4-13
Checking and lubricating the brake
and clutch levers ...........................7-\f6
Checking and lubricating the brake pedal ....................................\..........7-\f7
Checking and lubricating the cables..7-\f5
Checking and lubricating the sidestand ....................................\...7-\f7
Checking and lubricating the throttle grip and cable ...............................7-\f\.6
Checking the brake pedal ................7-\f7
Checking the sidestand switch .........4-18
Clock mode ....................................\.....4-7
Clutch lever ....................................\...4-10
Clutch lever free play, adjusting .......7-\f0
Consumer information ......................10-1
Controls and instruments ...................3-3 Function ....................................\.......4-1
Coolant ....................................\..........7-1\f
Coolant temperature warning light .....4-4
D Description ....................................\......3-1 Controls and instrument .................3-3
Left view....................................\.......3-1
\bight view ....................................\....3-\f
Dimmer switch....................................\.4-9
Drive chain, cleaning and lubricating ..............................7-\f5\.
Drive chain slack ..............................7-\f3\. Adjusting ....................................\....7-\f3
Checking ....................................\....7-\f3 Cleaning and lubricating ...............7-\f5
E Emission control system (periodic maintenance chart) .........................7-\f
Engine break-in ..................................6\.-3
Engine idling speed, adjusting .........7-15
Engine oil and oil filter element ..........7-9
Engine oil filter element....................7-10
Engine stop switch .............................4-9
Engine trouble warning light...............4-4
F For your safety - Pre-operation checks ....................................\..........5-1
Front fork ....................................\.......4-15 Adjusting ....................................\....4-15
Checking ....................................\....7-\f8
Front wheel ....................................\...7-36 Installing....................................\.....7-37
\bemoving....................................\...7-36
Fuel ....................................\...............4-1\f
Fuel consumption, tips for reducing ...6-3
Fuel meter ....................................\.......4-7
Fuel tank breather hose ...................4-13
Fuel tank cap ...................................4\.-11
Fuses, replacing ...............................7-3\.1
\f Genuine Yamaha Accessories ...........\f-3
H Handlebar switches ............................4-9
XT660Z 08-10 ING-AUS:MY03 07-10 ING 11-05-2009 10:10 Pagina 1