Page 82 of 100

PERIODIC MAINTENANCE AND ADJUSTMENT
7-40
1
2
3
4
5
6
7
8
9
10
EAU42131Troubleshooting charts
Starting problems or poor engine performance
1. Fuel
2. Compression
3. Ignition
4. Battery
Check the fuel level in the
fuel tank.
Operate the electric
starter.
Remove the spark plug
and check the electrodes.
Operate the electric
starter.
There is enough
fuel.
There is
compression.
Wet.
The engine turns
over quickly.
There is no fuel.
There is no
compression.
Dry.
The engine turns
over slowly.
Check the
compression.
Check the ignition.
Wipe off with a dry cloth and correct
the spark plug gap, or replace the
spark plug.
The battery is good.
Have a Yamaha dealer check the
vehicle.
Check the battery lead connections,
and charge the battery if necessary.
Operate the electric starter.
The engine does not start.
Check the battery.
The engine does
not start. Have a
Yamaha dealer
check the vehicle.
Supply fuel.
Have a Yamaha dealer check
the vehicle.
The engine does not start.
Check the compression.
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:10 Pagina 7-40
Page 90 of 100

SPECIFICATIONS
9-3
1
2
3
4
5
6
7
8
9
10
Rear suspension:
Type:
Swingarm (link suspension)
Spring/damper type:
Coil spring/gas-oil damper, spring
preload adjustable
Wheel travel:
200 mm (7.87 in)
Electrical system:
Ignition system:
Transistorized coil ignition (digital)
Charging system:
A.C. magneto
Battery:
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/brake 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 (backlight)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
Parking lighting fuse:
10 A
Radiator fan fuse:
7.5 A
Fuel injection system fuse:
10 A
Backup fuse (for odometer, clock and
immobilizer):
10 A
XT660Z 08-10 ING-AUS:MY03 07-10 ING 11-05-2009 10:10 Pagina 8
Page 94 of 100

INDEX
1
2
3
4
5
6
7
8
9
10
Dimmer switch ................................4-9
Engine stop switch .........................4-9
Hazard switch ...............................4-10
Horn switch .....................................4-9
Pass switch .....................................4-9
Start switch .....................................4-9
Turn signal switch ...........................4-9
Headlight bulb, replacing..................7-33
High beam indicator light ...................4-4
Horn switch ........................................4-9
I
Identification numbers ......................10-1
Idling speed, checking .....................7-15
Ignition circuit cut-off system............4-17
Checking operation procedure......4-18
Immobilizer system ............................4-1
Immobilizer system indicator light ......4-4
Indicator and warning lights ...............4-3
Coolant temperature warning light..4-4
Engine trouble warning light ...........4-4
High beam indicator light ................4-4
Immobilizer system indicator light...4-4
Neutral indicator light ......................4-4
Turn signal indicator light ................4-3
Instruments ........................................3-3
Instrument and control functions........4-1
K
Key identification number .................10-1
Keys ...................................................4-1L
Labels (location of important labels) ..1-1
License plate light bulb, replacing ....7-35
Location of important labels ...............1-1
Loading ..............................................2-3
Lubricating the brake and clutch
levers ............................................7-26
Lubricating the brake pedal..............7-27
Lubricating the cables ......................7-25
Lubricating the drive chain ...............7-25
Lubricating the sidestand .................7-27
Lubricating the throttle grip
and cable ......................................7-26
Lubricating the swingarm pivots.......7-28
M
Main switch/steering lock ...................4-2
Model label .......................................10-2
Motorcycle noise regulation
(for Australia) ................................10-2
Multi-function display..........................4-5
Clock mode .....................................4-7
Self-diagnosis devices ....................4-7
Tachometer .....................................4-6
Tripmeter and tachometer modes ...4-6
N
Neutral indicator light .........................4-4
O
Oil filter element ..............................7-10
Operation and important riding
points ..............................................6-1Owner’s tool kit...................................7-1
P
Panels, removing and installing .........7-6
Parking ...............................................6-4
Pass switch ........................................4-9
Periodic maintenance
and adjustment ...............................7-1
Periodic maintenance chart for
the emission control system ...........7-2
Pre-operation check list......................5-2
Pre-operation checks .........................5-1
R
Rear suspension, lubricating............7-27
Rear wheel .......................................7-38
Installing........................................7-39
Removing......................................7-38
Record the identification numbers ...10-1
S
Safety information ..............................2-1
Seat ..................................................4-14
Self-diagnosis devices .......................4-7
Shift pedal ........................................4-10
Shifting ...............................................6-2
Shock absorber assembly
(adjusting) .....................................4-16
Sidestand .........................................4-17
Sidestand, checking and lubricating ..7-27
Sidestand switch, checking ..............4-18
Spark plug, checking..........................7-8
XT660Z 08-10 ING-AUS:MY03 07-10 ING 11-05-2009 10:10 Pagina 2