check engine YAMAHA XT660Z 2010 Owners Manual
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TABLE OF CONTENTS
LOCATION OF IMPORTANT LABELS...1-1
SAFETY INFORMATION.....................2-1
Be a Responsible Owner ..................2-1
Safe riding .........................................2-1
Protective apparel .............................2-2
Avoid Carbon Monoxide Poisoning ...2-2
Loading .............................................2-3
Genuine Yamaha Accessories ..........2-3
Aftermarket Parts, Accessories,
and Modifications .......................2-4
Aftermarket Tires and Rims ..............2-4
DESCRIPTION.....................................3-1
Left view ............................................3-1
Right view .........................................3-2
Controls and instruments ..................3-3
INSTRUMENT AND CONTROL
FUNCTIONS........................................4-1
Immobilizer system ...........................4-1
Main switch/steering lock ..................4-2
Indicator and warning lights ..............4-3
Multi-function display ........................4-5
Tachometer .......................................4-6
Tripmeter and tachometer modes .....4-6
Clock mode .......................................4-7
Fuel meter .........................................4-7
Self-diagnosis devices ......................4-7Handlebar switches ...........................4-9
Clutch lever .....................................4-10
Shift pedal .......................................4-10
Brake lever ......................................4-11
Brake pedal .....................................4-11
Fuel tank cap ..................................4-11
Fuel .................................................4-12
Fuel tank breather hose ..................4-13
Catalytic converter ..........................4-13
Seat .................................................4-14
Adjusting the front fork ....................4-15
Adjusting the shock absorber
assembly ..................................4-16
Sidestand ........................................4-17
Ignition circuit cut-off system ..........4-17
FOR YOUR SAFETY -
PRE-OPERATION CHECKS...............5-1
Pre-operation check list ....................5-2
OPERATION AND IMPORTANT
RIDING POINTS..................................6-1
Starting the engine............................6-1
Shifting ..............................................6-2
Tips for reducing fuel consumption ...6-3
Engine break-in .................................6-3
Parking ..............................................6-4PERIODIC MAINTENANCE AND
ADJUSTMENT.....................................7-1
Owner’s tool kit .................................7-1
Periodic maintenance chart for
the emission control system.......7-2
General maintenance
and lubrication chart ..................7-3
Removing and installing
the cowling and panels ..............7-8
Checking the spark plug ...................7-8
Engine oil and oil filter element.........7-9
Coolant ............................................7-12
Replacing the air filter element
and cleaning the check hose ...7-14
Checking the engine idling speed ...7-15
Checking the throttle cable
free play ...................................7-16
Valve clearance ...............................7-16
Tires ................................................7-16
Spoke wheels..................................7-19
Adjusting the clutch lever free play...7-20
Checking the front and rear
brake pads ...............................7-21
Checking the brake fluid level .........7-22
Changing the brake fluid .................7-23
Drive chain slack .............................7-23
Cleaning and lubricating
the drive chain ..........................7-25
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INSTRUMENT AND CONTROL FUNCTIONS
4-3
To unlock the steering
1. Push
2. Turn
Push the key into the main switch, and
then turn it to “OFF” while still pushing
it.
EAU10941
F(Parking)
The steering is locked, and the tail-
light, 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 “F”.
ECA11020NOTICE
Do not use the parking position for
an extended length of time, other-
wise the battery may discharge.
EAU11004
Indicator and warning lights
1. Immobilizer system indicator light “ ”
2. Neutral indicator light “N”
3. Turn signal indicator light “y”
4. High beam indicator light “1”
5. Engine trouble warning light “U”
6. Coolant temperature warning light “u”
EAUB1510
Turn signal indicator light “y”
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 turn-
ing 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 cir-
cuit.
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INSTRUMENT AND CONTROL FUNCTIONS
4-4
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10
EAUB1520
Neutral indicator light “ N”
This indicator light comes on when the
transmission is in the neutral position.
The electrical circuit of the neutral indi-
cator light can be checked by turning
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 “1”
This indicator light comes on when the
high beam of the headlight is switched
on. The electrical circuit of the high
beam indicator light can be checked
by turning the key to "ON". If the indi-
cator light does not come on for a few
seconds, then go off, have a Yamaha
dealer check the electrical circuit.
EAU11444
Coolant temperature warning
light “u”
This warning light comes on if the en-
gine overheats. If this occurs, stop the
engine immediately and allow the en-
gine to cool. The electrical circuit of the
warning light can be checked by turn-
ing 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 deal-
er check the electrical circuit.
ECA10021
NOTICE
Do not continue to operate the en-
gine 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 ra-
diator.
●If the engine overheats, see page
7-41 for further instructions.
EAU11534
Engine trouble warning light “U”
This warning light comes on or flashes
if a problem is detected in the electri-
cal circuit monitoring the engine. If this
occurs, have a Yamaha dealer check
the self-diagnosis system. (See page
4-8 for an explanation of the self-diag-
nosis device.) The electrical circuit of
the warning light can be checked byturning 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 re-
mains on, have a Yamaha dealer check
the electrical circuit.
EAU26876
Immobilizer system indicator
light “ ”
The electrical circuit of the indicator
light can be checked by turning the
key to "ON". The indicator light should
come on for a few seconds, and then
go off. If the indicator light does not
come on initially when the key is
turned to "ON", or if the indicator light
remains on, have a Yamaha dealer
check the electrical circuit.
When the key is turned to "OFF" and
30 seconds have passed, the indicator
light will start flashing indicating the
immobilizer system is enabled. After
24 hours have passed, the indicator
light will stop flashing, however the im-
mobilizer system is still enabled.
This model is also equipped with a
self-diagnosis device for the immobi-
lizer system. (See page 4-8 for an ex-
planation of the self-diagnosis device.)
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INSTRUMENT AND CONTROL FUNCTIONS
4-8
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Self-diagnosis devices
1. Engine trouble warning light “U”
2. Immobilizer system indicator light “ ”
This model is equipped with a self-di-
agnosis device for various electrical
circuits.
If any of those circuits are defective,
the engine trouble warning light will
start flashing. If this occurs, have a
Yamaha dealer check the vehicle.
This model is also equipped with a
self-diagnosis device for the immobi-
lizer system.
If any of the immobilizer system cir-
cuits are defective, the immobilizer
system indicator light will start flash-
ing.
If this occurs, have a Yamaha dealer
check the vehicle.
TIP
If the indicator light slowly flashes five
times, and then quickly flashes two
times repeatedly, this error could be
caused by transponder interference. If
this occurs, try the following.
1. Use the code re-registering key to
start the engine.
TIP
Make sure there are no other immobi-
lizer keys close to the main switch, and
do not keep more than one immobiliz-
er key on the same key ring! Immobi-
lizer system keys may cause signal in-
terference, which may prevent the
engine from starting.2. If the engine starts, turn it off, and
try starting the engine with the
standard keys.
3. If one or both of the standard keys
do not start the engine, take the
vehicle, the code re-registering
key and both standard keys to a
Yamaha dealer and have the
standard keys re-registered.
If the immobilizer system indicator
light continues to flash, have a Yama-
ha dealer check the vehicle.
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INSTRUMENT AND CONTROL FUNCTIONS
4-13
your skin, wash with soap and wa-
ter. If gasoline spills on your cloth-
ing, change your clothes.
EAU13390EAU13412
Fuel tank breather hose
1. Fuel tank breather hose
2. Clamp
Before operating the motorcycle:
●Check the fuel tank breather hose
connection.
●Check the fuel tank breather hose
for cracks or damage, and replace
it if damaged.
●Make sure that the fuel tank
breather hose is not blocked, and
clean it if necessary.
ECA11400
NOTICE
Use only unleaded gasoline. The use
of leaded gasoline will cause severe
damage to internal engine parts,
such as the valves and piston rings,
as well as to the exhaust system.
Your Yamaha engine has been de-
signed to use premium unleaded
gasoline with a research octane num-
ber of 95 or higher. If knocking (or
pinging) occurs, use a gasoline of a
different brand. Use of unleaded fuel
will extend spark plug life and reduce
maintenance costs.
Recommended fuel:
PREMIUM UNLEADED
GASOLINE ONLY
Fuel tank capacity:
23.0 L (6.07 US gal) (5.05 Imp.gal)
Fuel reserve amount (when the fuel
level warning light comes on):
6.7 L (1.77 US gal) (1.47 Imp.gal)
EAU13433
Catalytic converter
This model is equipped with a catalyt-
ic converter in the exhaust system.
EWA10862
WARNING0
The exhaust system is hot after op-
eration. To prevent a fire hazard or
burns:
●Do not park the vehicle near
possible fire hazards such as
grass or other materials that
easily burn.
●Park the vehicle in a place
where pedestrians or children
are not likely to touch the hot
exhaust system.
●Make sure that the exhaust
system has cooled down be-
fore doing any maintenance
work.
●Do not allow the engine to idle
more than a few minutes. Long
idling can cause a build-up of
heat.
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EWA10240
WARNING0
The vehicle must not be ridden
with the sidestand down, or if the
sidestand cannot be properly
moved up (or does not stay up),
otherwise the sidestand could con-
tact the ground and distract the
operator, resulting in a possible
loss of control. Yamaha’s ignition
circuit cut-off system has been de-
signed to assist the operator in ful-
filling the responsibility of raising
the sidestand before starting off.
Therefore, check this system regu-
larly as described below and have
a Yamaha dealer repair it if it does
not function properly.
EAU15301
Sidestand
1. Sidestand
The sidestand is located on the left
side of the frame. Raise the sidestand
or lower it with your foot while holding
the motorcycle upright.
TIP
The built-in sidestand switch is part of
the ignition circuit cut-off system,
which cuts the ignition in certain situa-
tions. (See further down for an expla-
nation of the ignition circuit cut-off sys-
tem.)
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INSTRUMENT AND CONTROL FUNCTIONS
4-17
EAU15314
Ignition circuit cut-off
system
The ignition circuit cut-off system
(comprising the sidestand switch,
clutch switch and neutral switch) has
the following functions.
●It prevents starting when the
transmission is in gear and the
sidestand is up, but the clutch
lever is not pulled.
●It prevents starting when the
transmission is in gear and the
clutch lever is pulled, but the side-
stand is still down.
●It cuts the running engine when
the transmission is in gear and
the sidestand is moved down.
Periodically check the operation of the
ignition circuit cut-off system accord-
ing to the following procedure.
TIP
This check is most reliable if per-
formed with a warmed-up engine.
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INSTRUMENT AND CONTROL FUNCTIONS
WARNING0
If a malfunction is noted, have a Yamaha dealer
check the system before riding.
4-18
1
2
3
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5
6
7
8
9
10
With the engine turned off:
1. Move the sidestand down.
2. Make sure that the engine stop switch is set to
“I”.
3. Turn the key on.
4. Shift the transmission into the neutral position.
5. Push the start switch.
Does the engine start?
With the engine still running:
6. Move the sidestand up.
7. Keep the clutch lever pulled.
8. Shift the transmission into gear.
9. Move the sidestand down.
Does the engine stall?
The neutral switch may not be working correctly.
The motorcycle should not be riddenuntil checked by a
Yamaha dealer.
The sidestand switch may not be working correctly.
The motorcycle should not be riddenuntil checked by a
Yamaha dealer.
The clutch switch may not be working correctly.
The motorcycle should not be riddenuntil checked by a
Yamaha dealer.
After the engine has stalled:
10. Move the sidestand up.
11. Keep the clutch lever pulled.
12. Push the start switch.
Does the engine start?
The system is OK. The motorcycle can be ridden.YES NO
NO YES
NO YES
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FOR YOUR SAFETY – PRE-OPERATION CHECKS
5-2
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3
4
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10
ITEM
Fuel
Engine oil
Coolant
Front brake
Rear brake
EAU15605
Before using this vehicle, check the following points:
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
4-12
7-9
7-12
4-11, 7-21, 7-22, 7-26
4-11, 7-21, 7-22, 7-27
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OPERATION AND IMPORTANT RIDING POINTS
EAU15951
Read the Owner's Manual carefully to
become familiar with all controls. If
there is a control or function you do not
understand, ask your Yamaha dealer.
EWA10271
WARNING0
Failure to familiarize yourself with
the controls can lead to loss of con-
trol, which could cause an accident
or injury.
6-1
EAU48020
TIP
This model is equipped with a lean an-
gle sensor to stop the engine in case
of a turnover. In this case, the multi-
function display indicates error code
30, but this is not a malfunction. Turn
the key to "OFF" and then to "ON" to
clear the error code. Failing to do so
will prevent the engine from starting
even though the engine will crank
when pushing the start switch.
EAUB1570
Starting the engine
In order for the ignition circuit cut-off
system to enable starting, one of the
following conditions must be met:
●The transmission is in the neutral
position.
●The transmission is in gear with
the clutch lever pulled and the
sidestand up.
EWA10290
WARNING0
●Before starting the engine,
check the function of the igni-
tion circuit cut-off system ac-
cording to the procedure de-
scribed on page 4-18.
●Never ride with the sidestand
down.
1. Turn the key to “ON” and make
sure that the engine stop switch is
set to “
I”.
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OPERATION AND IMPORTANT RIDING POINTS
3. Start the engine by pushing the
start switch.
TIP
If the engine fails to start, release the
start switch, wait a few seconds, and
then try again. Each starting attempt
should be as short as possible to pre-
serve the battery. Do not crank the en-
gine more than 10 seconds on any one
attempt.
ECA11040
NOTICE
For maximum engine life, never ac-
celerate hard when the engine is
cold!
TIP
The engine is warm when it quickly re-
sponds to the throttle.
EAU16671
Shifting
1. Shift pedal
N. Neutral position
Shifting gears lets you control the
amount of engine power available for
starting off, accelerating, climbing
hills, etc.
The gear positions are shown in the il-
lustration.
TIP
To shift the transmission into the neu-
tral position, press the shift pedal down
repeatedly until it reaches the end of its
travel, and then slightly raise it.
6-2
1
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3
4
5
6
7
8
9
10
ECAB0070
NOTICE
The following warning lights and in-
dicator lights should come on for a
few seconds, then go off.
●Neutral indicator light
●Turn signal indicator light
●High beam indicator light
●Engine trouble warning light
●Coolant temperature warning
light
●Immobilizer system indicator
light
If a warning or indicator light does
not go off, see page 4-3 for the cor-
responding warning and indicator
light circuit check.
2. Shift the transmission into the
neutral position.
TIP
When the transmission is in the neu-
tral position, the neutral indicator light
should be on, otherwise have a Yama-
ha dealer check the electrical circuit.
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