2008 YAMAHA XT660Z brake

TABLE OF CONTENTS
SAFETY INFORMATION.....................1-1
Safe riding .........................................1-1
Protective apparel .............................1-2
Modifications .....................................1-2
Loading and accessories ..................1-2
Gasoline and exhaust gas ................1-4
DESCRIPTION .....................................2-1
Left view ............................................2-1
Right view .........................................2-2
Controls and instruments ..................2-3
INSTRUMENT AND CONTROL
FUNCTIONS ........................................3-1
Immobilizer system ...........................3-1
Main switch/steering lock ..................3-2
Indicator and warning lights ..............3-3
Multi-function display ........................3-5
Tachometer .......................................3-6
Tripmeter and tachometer modes .....3-6
Clock mode .......................................3-7
Fuel meter .........................................3-7
Self-diagnosis devices ......................3-7
Anti-theft alarm (optional) .................3-8
Handlebar switches ...........................3-9
Clutch lever .....................................3-10
Shift pedal .......................................3-10
Brake lever ......................................3-11
Brake pedal .....................................3-11 Fuel tank cap ..................................3-11
Fuel .................................................3-12
Fuel tank breather hose ..................3-13
Catalytic converter ..........................3-13
Seat .................................................3-14
Adjusting the front fork ....................3-15
Adjusting the shock absorber
assembly ..................................3-16
Sidestand ........................................3-17
Ignition circuit cut-off system ..........3-17
PRE-OPERATION CHECKS ...............4-1
Pre-operation check list ....................4-2
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 MINOR REPAIR .........................6-1
Owner’s tool kit .................................6-1
Periodic maintenance and lubrication chart..........................6-2
Removing and installing the cowling and panels..................................6-8 Checking the spark plug ...................6-8
Engine oil and oil filter element.........6-9
Coolant ............................................6-12
Replacing the air filter element
and cleaning the check hose ..... 6-14
Checking the engine idling speed ...6-15
Checking the throttle cable free play ...................................6-16
Valve clearance ...............................6-16
Tires ................................................6-16
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 .........6-22
Changing the brake fluid .................6-23
Drive chain slack .............................6-23
Cleaning and lubricating the drive chain ................................6-25
Checking and lubricating the cables .......................................6-25
Checking and lubricating the throttle grip and cable ..............6-26
Checking and lubricating the brake and clutch levers ............6-26
Lubricating the brake pedal ............6-27
Checking and lubricating the sidestand ..................................6-27

XT660Z 01-03 ING 10-03-2008 16:11 Pagina 6

TABLE OF CONTENTS
Lubricating the rear suspension......6-27
Lubricating the swingarm pivots .....6-28
Checking the front fork ....................6-28
Checking the steering .....................6-29
Checking the wheel bearings..........6-29
Battery.............................................6-30
Replacing the fuses ........................6-31
Replacing a headlight bulb .............6-33
Tail/brake light .................................6-34
Replacing a turn signal light bulb....6-34
Replacing the license plate light bulb ...................................6-35
Replacing an auxiliary light bulb .....6-35
Supporting the motorcycle ..............6-36
Front wheel .....................................6-36
Rear wheel ......................................6-38
Troubleshooting ...............................6-39
Troubleshooting charts ....................6-40
MOTORCYCLE CARE
AND STORAGE ...................................7-1
Care ..................................................7-1
Storage..............................................7-3 SPECIFICATIONS
...............................8-1
CONSUMER INFORMATION ..............9-1
Identification numbers .......................9-1

XT660Z 01-03 ING 10-03-2008 16:11 Pagina 7

10. Grab bar
11. Main fuse (page 6-31)
12. Battery (page 6-30)
13. Rear brake fluid reservoir (page 6-22)14. Coolant reservoir (page 6-12) 15. Front brake fluid reservoir (page 6-22)
16. Coolant drain bolt (page 6-12)
17. Engine oil filter element (page 6-10)
18. Brake pedal (page 3-11)
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9
10
DESCRIPTION
EAU10420Right view
2-2

XT660Z 01-03 ING 10-03-2008 16:11 Pagina 13

DESCRIPTION
EAU10430
Controls and instruments
1. Clutch lever (page 3-10)
2. Left handlebar switches (page 3-9)
3. Multi-function meter unit and warning lights (page 3-3, 3-5)
4. Right handlebar switches (page 3-9)
5. Throttle grip (page 6-16)6. Brake lever (page 3-11)
7. Engine oil filler cap/dipstick (page 6-9)
8. Fuel tank cap (page 3-11)
9. Main switch and steering lock (page 3-2)
2-3
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10

XT660Z 01-03 ING 10-03-2008 16:11 Pagina 14

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INSTRUMENT AND CONTROL FUNCTIONS
3-11
EAU26822
Brake lever
1. Brake lever
2. Position adjusting dial
3. Arrow mark
4. Distance
The brake lever is located at the right
handlebar grip. To apply the front
brake, pull the lever toward the han-
dlebar grip.
The brake lever is equipped with a po-
sition adjusting dial. To adjust the dis-
tance between the brake lever and the
handlebar grip, turn the adjusting dial
while holding the lever pushed away
from the handlebar grip. Make sure
that the appropriate setting on the ad-
justing dial is aligned with the “˙”
mark on the brake lever.

EAU12941
Brake pedal
1. Brake pedal
The brake pedal is on the right side of
the motorcycle. To apply the rear
brake, press down on the brake pedal.

1

EAU13072
Fuel tank cap
1. Lock cover
2. Open
To open the fuel tank cap
Open the fuel tank cap lock cover, in-
sert the key into the lock, and then turn
it 1/4 turn clockwise. The lock will be re-
leased and the fuel tank cap can be
opened.

XT660Z 01-03 ING 10-03-2008 16:11 Pagina 3-11

PRE-OPERATION CHECKS
4-2
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ITEM
Fuel
Engine oil
Coolant
Front brake
Rear brake
EAU15605
Pre-operation check list
CHECKS
• Check fuel level in fuel tank.
• Refuel if necessary.
• Check fuel line for leakage.
• Check oil level in oil tank.
• If necessary, add recommended oil to specified level.
• Check vehicle for oil leakage.
• Check coolant level in reservoir.
• If necessary, add recommended coolant to specified level.
• Check cooling system for leakage.
• Check operation.
• If soft or spongy, have Yamaha dealer bleed hydraulic system.
• Check brake pads for wear.
• Replace if necessary.
• Check fluid level in reservoir.
• If necessary, add recommended brake fluid to specified level.
• Check hydraulic system for leakage.
• Check operation.
• If soft or spongy, have Yamaha dealer bleed hydraulic system.
• Check brake pads for wear.
• Replace if necessary.
• Check fluid level in reservoir.
• If necessary, add recommended brake fluid to specified level.
• Check hydraulic system for leakage. PAGE
3-12
6-9
6-12
3-11, 6-21, 6-22, 6-26
3-11, 6-21, 6-22, 6-27

XT660Z 04-06 ING 11-03-2008 8:30 Pagina 2

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PRE-OPERATION CHECKS
4-3
ITEM
Clutch
Throttle grip
Control cables
Drive chain
Wheels and tires
Brake pedal
Brake and
clutch levers
Sidestand
Chassis fasteners CHECKS
• Check operation.
• Lubricate cable if necessary.
• Check lever free play.
• Adjust if necessary.
• Make sure that operation is smooth.
• Check cable free play.
• If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing.
• Make sure that operation is smooth.
• Lubricate if necessary.
• Check chain slack.
• Adjust if necessary.
• Check chain condition.
• Lubricate if necessary.
• Check for damage.
• Check tire condition and tread depth.
• Check air pressure.
• Correct if necessary.
• Make sure that operation is smooth.
• Lubricate pedal pivoting point if necessary.
• Make sure that operation is smooth.
• Lubricate lever pivoting points if necessary.
• Make sure that operation is smooth.
• Lubricate pivot if necessary.
• Make sure that all nuts, bolts and screws are properly tightened.
• Tighten if necessary. PAGE
3-10, 6-20, 6-26
6-16, 6-266-25
6-23, 6-24, 6-25
6-16, 6-196-27
6-26
6-27–

XT660Z 04-06 ING 11-03-2008 8:30 Pagina 3

PERIODIC MAINTENANCE AND MINOR REPAIR
EAU17709
Periodic maintenance and lubrication chart
NOTE:● The annual checks must be performed every year, except if a kilometer-based maintenance is performed in-
stead.
●From 50000 km, repeat the maintenance intervals starting from 10000 km.
●Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and tech-
nical skills.
6-2
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10
NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING (x 1,000 km)
110203040
ANNUAL CHECK
√√√√ √
√√
√√
√√
√√
√√√√√
√√√√√ √
√√√√√ √1✻
2
3
✻
4
5
6
✻
7✻
• Check fuel hoses for cracks or damage.
• Check condition.
• Clean and regap.
• Replace.
• Check valve clearance.
• Adjust.
• Replace.
• Check operation.
• Adjust.
• Check operation, fluid level and vehicle for fluid
leakage.
• Replace brake pads.
• Check operation, fluid level and vehicle for fluid
leakage.
• Replace brake pads.
Fuel line
Spark plug
Valves
Air filter element
Clutch
Front brake
Rear brake
Whenever worn to the limit
Whenever worn to the limit

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