SAFETY INFORMATION .....................1-1
DESCRIPTION.....................................2-1
Left view ...........................................2-1
Right view .........................................2-3
Controls and instruments .................2-5
INSTRUMENT AND CONTROL
FUNCTIONS ........................................3-1
Immobilizer system ...........................3-1
Main switch/steering lock .................3-2
Indicator and warning lights .............3-4
Multi-function display .......................3-6
Anti-theft alarm (optional) .................3-9
Handlebar switches ..........................3-9
Pass switch ....................................3-10
Dimmer switch ...............................3-10
Horn switch ...................................3-10
Turn signal switch ..........................3-10
Hazard switch ................................3-10
Engine stop switch ........................3-10
Start switch ....................................3-10
Clutch lever .....................................3-11
Shift pedal.......................................3-11
Brake lever ......................................3-11
Brake pedal.....................................3-12
ABS (for ABS models) ....................3-12
Fuel tank cap ..................................3-13
Fuel .................................................3-14
Fuel tank breather/overflow
hose .............................................3-15
Catalytic converters ........................3-16Seat.................................................3-16
Adjusting the front fork ...................3-17
Adjusting the shock absorber
assembly .....................................3-18
Sidestand ........................................3-19
Ignition circuit cut-off system .........3-20
FOR YOUR SAFETY – PRE-
OPERATION CHECKS ........................4-1
OPERATION AND IMPORTANT
RIDING POINTS ..................................5-1
Starting the engine ...........................5-1
Shifting ..............................................5-2
Tips for reducing fuel
consumption..................................5-3
Engine break-in.................................5-3
Parking ..............................................5-4
PERIODIC MAINTENANCE AND
ADJUSTMENT ....................................6-1
Owner’s tool kit .................................6-1
Periodic maintenance chart for
the emission control system .........6-3
General maintenance and
lubrication chart ............................6-4
Removing and installing panels........6-8
Checking the spark plug ..................6-9
Engine oil and oil filter element ......6-11
Coolant ...........................................6-14Replacing the air filter element
and cleaning the check hose ......6-15
Checking the engine idling speed ..6-16
Checking the throttle cable free
play ..............................................6-17
Valve clearance ...............................6-17
Tires ................................................6-17
Spoke wheels .................................6-19
Adjusting the clutch lever free
play ..............................................6-20
Checking the front and rear brake
pads.............................................6-21
Checking the brake fluid level ........6-21
Drive chain slack.............................6-23
Cleaning and lubricating the
drive chain ...................................6-24
Checking and lubricating the
cables ..........................................6-25
Checking and lubricating the
brake and clutch levers ...............6-25
Checking and lubricating the
brake pedal .................................6-26
Checking and lubricating the
sidestand .....................................6-26
Lubricating the rear suspension .....6-27
Lubricating the swingarm pivots ....6-27
Checking the front fork ...................6-27
Checking the steering.....................6-28
Checking the wheel bearings .........6-29
Battery ............................................6-29
Replacing the fuses ........................6-31
Replacing a headlight bulb .............6-32
TABLE OF CONTENTS
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EAU32220
Left view
XT660Z
DESCRIPTION
2-1
2
1. Idle adjusting screw (page 6-16)
2. Owner’s tool kit (page 6-1)
3. Air filter element (page 6-15)
4. Fuse box 1 (page 6-31)
5. Seat lock (page 3-16)
6. Shock absorber assembly spring preload adjusting ring (page 3-18)
7. Shift pedal (page 3-11)
8. Engine oil drain bolt (crankcase) (page 6-11)9. Engine oil drain bolt (oil tank) (page 6-11)
56P-F8199-E0 30/6/10 09:24 Página 14
XT660ZA
DESCRIPTION
2-2
2
1. Main fuse (page 6-31)
2. Fuse box 1 (page 6-31)
3. Idle adjusting screw (page 6-16)
4. Fuse box 2 (page 6-31)
5. Fuse box 2 (page 6-31)
6. Seat lock (page 3-16)
7. Shock absorber assembly spring preload adjusting ring (page 3-18)
8. Shift pedal (page 3-11)9. Engine oil drain bolt (crankcase) (page 6-11)
10. Engine oil drain bolt (oil tank) (page 6-11)
11. Front wheel hub
56P-F8199-E0 30/6/10 09:24 Página 15
EAU10430
Controls and instruments
DESCRIPTION
2-5
2
1. Clutch lever (page 3-11)
2. Left handlebar switches (page 3-9)
3. Multi-function display (page 3-6)
4. Right handlebar switches (page 3-9)
5. Throttle grip (page 6-17)
6. Brake lever (page 3-11)
7. Engine oil filler cap (page 6-11)
8. Fuel tank cap (page 3-13/3-14 )9. Main switch/steering lock (page 3-2)
56P-F8199-E0 30/6/10 09:24 Página 18
Keep other immobilizer system
keys away from the main
switch as they may cause sig-
nal interference.EAU10472
Main switch/steering lock
The main switch/steering lock con-
trols the ignition and lighting systems,
and is used to lock the steering. The
various positions are described
below.
TIP
Be sure to use the standard key
(black bow) for regular use of the
vehicle. To minimize the risk of losing
the code re-registering key (red bow),
keep it in a safe place and only use it
for code re-registering.
EAU10550
ON
All electrical circuits are supplied withpower, the meter lighting, taillight,
license plate light and auxiliary lights
come on, and the engine can be star-
ted. The key cannot be removed.
TIP
The headlights come on automatically
when the engine is started and stay
on until the key is turned to “OFF”,
even if the engine stalls.
EAU10661
OFF
All electrical systems are off. The key
can be removed.
EWA10061
Never turn the key to “OFF” or
“LOCK” while the vehicle is
moving. Otherwise the electrical
systems will be switched off, which
may result in loss of control or an
accident.
EAU10683
LOCK
The steering is locked, and all electri-
cal systems are off. The key can be
removed.
WARNING
INSTRUMENT AND CONTROL FUNCTIONS
3-2
3
56P-F8199-E0 30/6/10 09:24 Página 20
To lock the steering
1. Push
2. Turn
1. Turn the handlebars all the way to
the left.
2. Push the key in from the “OFF”
position, and then turn it to
“LOCK” while still pushing it.
3. Remove the key.T
o unlock the steering
1. Push
2. Turn
Push the key in, and then turn it to
“OFF” while still pushing it.
EAU10941
(Parking)
The steering is locked, and the tai-
llight, license plate light and auxiliary
lights are on. The hazard lights and
turn signal lights can be turned on,
but all other electrical systems are off.
The key can be removed.
The steering must be locked before
the key can be turned to “ ”.
ECA11020
Do not use the parking position for
an extended length of time, other-
wise the battery may discharge.
NOTICE
INSTRUMENT AND CONTROL FUNCTIONS
3-3
3
56P-F8199-E0 30/6/10 09:24 Página 21
EAU47040
Indicator and warning lights
For XT660Z
1. Immobilizer system indicator light
2. Neutral indicator light “ ”
3. Turn signal indicator light “ ”
4. High beam indicator light “ ”
5. Engine trouble warning light “ ”
6. Coolant temperature warning light “ ”
For XT660ZA
1. Anti-lock Brake System (ABS) warning light
“”
2. Immobilizer system indicator light
3. Neutral indicator light “ ”
4. Turn signal indicator light “ ”
5. High beam indicator light “ ”
6. Engine trouble warning light “ ”
7. Coolant temperature warning light “ ”
EAUB1510
Turn signal indicator light “ ”
This indicator light flashes when the
turn signal switch is pushed to the left
or right.
The electrical circuit of the turn signal
indicator light can be checked by tur-
ning the key to “ON”.If the indicator light does not come on
for a few seconds, then go off, have a
Yamaha dealer check the electrical
circuit.
EAUB1520
Neutral indicator light “ ”
This indicator light comes on when
the transmission is in the neutral posi-
tion.
The electrical circuit of the neutral
indicator light can be checked by tur-
ning the key to “ON”.
If the indicator light does not come on
for a few seconds, then go off, have a
Yamaha dealer check the electrical
circuit.
EAUB1530
High beam indicator light “ ”
This indicator light comes on when
the high beam of the headlight is swit-
ched on.
The electrical circuit of the high beam
indicator light can be checked by tur-
ning the key to “ON”.
If the indicator light does not come on
for a few seconds, then go off, have a
Yamaha dealer check the electrical
circuit.
ABS
INSTRUMENT AND CONTROL FUNCTIONS
3-4
3
56P-F8199-E0 30/6/10 09:24 Página 22
EAU11444
Coolant temperature warning light
“”
This warning light comes on if the
engine overheats. If this occurs, stop
the engine immediately and allow the
engine to cool.
The electrical circuit of the warning
light can be checked by turning the
key to “ON”. The warning light should
come on for a few seconds, and then
go off.
If the warning light does not come on
initially when the key is turned to
“ON”, or if the warning light remains
on, have a Yamaha dealer check the
electrical circuit.
ECA10021
Do not continue to operate the
engine if it is overheating.
TIP
For radiator-fan-equipped vehi-
cles, the radiator fan(s) automati-
cally switch on or off according to
the coolant temperature in the
radiator.
If the engine overheats, see page
6-40 for further instructions.
EAU11534
Engine trouble warning light “ ”
This warning light comes on or flas-
hes if a problem is detected in the
electrical circuit monitoring the engi-
ne. If this occurs, have a Yamaha dea-
ler check the self-diagnosis system.
(See page 3-8 for an explanation of
the self-diagnosis device.)
The electrical circuit of the warning
light can be checked by turning the
key to “ON”. The warning light should
come on for a few seconds, and then
go off.
If the warning light does not come on
initially when the key is turned to
“ON”, or if the warning light remains
on, have a Yamaha dealer check the
electrical circuit.
EAU11545
ABS warning light “ ” (for ABS
models)
If this warning light comes on or flas-
hes while riding, the ABS may not
work correctly. If this occurs, have aYamaha dealer check the system as
soon as possible. (See page 3-12).
EWA10081
If the ABS warning light comes on
or flashes while riding, the brake
system reverts to conventional bra-
king. Therefore, be careful not to
cause the wheels to lock during
emergency braking. If the warning
light comes on or flashes while
riding, have a Yamaha dealer check
the brake system as soon as possi-
ble.
The electrical circuit of the warning
light can be checked by turning the
key to “ON”. The warning light should
come on for a few seconds, and then
go off.
If the warning light does not come on
initially when the key is turned to
“ON”, or if the warning light remains
on, have a Yamaha dealer check the
electrical circuit.
WARNING
ABS
NOTICE
INSTRUMENT AND CONTROL FUNCTIONS
3-5
3
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