maintenance YAMAHA XT660Z 2012 User Guide

PERIODIC MAINTENANCE AND ADJUSTMENT
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1. Air filter element
ECA10480
NOTICE ● Make sure that the air filter ele-
ment is properly seated in the
air filter case.
● The engine should never be op-
erated without the air filter ele-
ment installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively\4 worn.
\f. Install t\be air filter case cover by installing t\be screws.
6. Install t\be seat.
1
EAUB1480
Replacing the air filter
element and cleaning the
check hose
T\be air filter element s\bould be re-
placed at t\be intervals specified in t\be
periodic maintenance and lubrication
c\bart. Replace t\be air filter element
more frequently if you are riding in un-
usually wet or dusty areas. In addition,
t\be air filter c\beck \bose must be fre-
quently c\becked and cleaned if neces-
sary. To replace the air filter element
1. Air filter case
2. Screws
1. Remove t\be seat. (See page 4-
14.)
2. Remove t\be air filter case cover by removing t\be screws.
3. Pull t\be air filter\8 element out.
4. Insert a new air filter element into t\be air filter case \8as s\bown.
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:09 Pagina 7-14

PERIODIC MAINTENANCE AND ADJUSTMENT
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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.
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PERIODIC MAINTENANCE AND ADJUSTMENT
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Tire information
This motorcycle is equi\f\fed with tube
tires\b
Front tire: Size:90/90-21M/C 54S
90/90-21M/C 54T
Manufacturer/model: METZELER/TOURANCE
FRONT MICHELIN/SIRAC
Rear tire: Size:130/80-17M/C 65S
130/80-17M/C 65T
Manufacturer/model: METZELER/TOURANCE
MICHELIN/SIRAC A
Tire inspection
1\b Tire sidewall
2\b Tire tread de\fth
The tires must be checked before
each ride\b If the center tread de\fth
reaches the s\fecified limit, if the tire
has a nail or glass fragments in it, or if
the sidewall is cracked, have a Yama-
ha dealer re\flace the tire immediately\b
TIP
The tire tread de\fth limits may differ
from country to country\b Always com-
\fly with the local \uregulations\b
Minimum tire tread depth
(front and rear):1\b0 mm (0\b04 in)
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PERIODIC MAINTENANCE AND ADJUSTMENT
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3. To increase the cl\ftch lever free pla\b, t\frn the adj\fsting bolt in di-
rection (a). To decrease the cl\ftch
lever free pla\b, t\frn the adj\fsting
bolt in direction (\lb).
TIP
If the specified cl\ftch lever free pla\b
co\fld be obtained as described above,
skip steps 4-7.
4. F\fll\b t\frn the adj\fsting bolt at the cl\ftch lever in direction (a) to
loosen the cl\ftch ca\lble.
5. Loosen the lockn\ft at the crankcase.1. Lockn\ft
2. Cl\ftch lever free pla\b adj\fsting n\ft(crankcase)
6. To increase the cl\ftch lever free
pla\b, t\frn the adj\fsting n\ft in di-
rection (a). To decrease the cl\ftch
lever free pla\b, t\frn the adj\fsting
n\ft in direction (b)\l.
7. Tighten the lockn\ft at the crankcase.
8. Tighten the lockn\ft at the cl\ftch lever and then slide the r\fbber
cover to its original position.
1
b
a
2
EAU22043
Adjusting the clutch lever
free play
1. Lockn\ft
2. Adj\fsting bolt
3. Cl\ftch lever free pla\b
The cl\ftch lever free pla\b sho\fld mea-
s\fre 10.0-15.0 mm (0.39-0.59 in) as
shown. Periodicall\b check the cl\ftch
lever free pla\b and, if necessar\b, ad-
j\fst it as follows.
1. Slide the r\fbber cover back at the cl\ftch lever.
2. Loosen the lockn\ft.
31
2
b
a
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:09 Pagina 7-20

PERIODIC MAINTENANCE AND ADJUSTMENT
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Insufficient brake fluid \fay allow air to
enter t\be brake syste\f, possibly caus-
ing it to beco\fe ine\dffective.
Before riding, c\beck t\bat t\be brake flu-
id is above t\be \fini\fu\f level \fark
and replenis\b if ne\dcessary.
A low brake fluid level \fay indicate
worn brake pads and/or brake syste\f
leakage. If t\be brake fluid level is low,
be sure to c\beck t\be brake pads for
wear and t\be brake syste\f for leak-
age.
Observe t\bese precautions\d:
●W\ben c\becking t\be fluid level,
\fake sure t\bat t\be top of t\be
brake fluid reservoir is level.
●Use only t\be reco\f\fended qual-
ity brake fluid, ot\berwise t\be rub-
ber seals \fay deteriorate, caus-
ing leakage and poor braking
perfor\fance.
●Refill wit\b t\be sa\fe type of brake
fluid. Mixing fluids \fay result in a
\bar\fful c\be\fical reaction and
lead to poor braking perfor\fance.
●Be careful t\bat water does not en-
ter t\be brake fluid reservoir w\ben
refilling. Water will significantly
lower t\be boiling point of t\be fluid
and \fay result in vapor lock.
●Brake fluid \fay deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up spilled fluid i\f\fe-
diately.
●As t\be brake pads wear, it is nor-
\fal for t\be brake fluid level to
gradually go down. However, if
t\be brake fluid level goes down
suddenly, \bave a Ya\fa\ba dealer
c\beck t\be cause.
Recommended brake f\4luid: DOT 4
EAU22580
Checking the brake fluid
level
Front brake
1. Mini\fu\f level \fark
Rear brake
1. Mini\fu\f level \fark
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:10 Pagina 7-22

PERIODIC MAINTENANCE AND ADJUSTMENT
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1. Wheel axle
2. Drive chain \flack adj\b\fting bolt
3. Lockn\bt
4. Alignment mark\f
TIP
U\fing the alignment mark\f on each
\fide of the \fwingarm, make \f\bre that
both chain p\bller\f are in the \fame po-
\fition for proper wheel al\nignment.
3. Tighten the axle n\bt, then the lock- n\bt\f to their \fpecified torq\be\f.
Tightening torques:
Axle n\bt:105 Nm (10.5 m·kgf, 75 ft·lbf)
Lockn\bt: 16 Nm (1.6 m·kgf, 11 ft·lbf)
EAU34314
To adjust the drive chain slack1. Loo\fen the axle n\bt and the lock- n\bt on each \fide of the \fwingarm.
2. To tighten the drive chain, t\brn the drive chain \flack adj\b\fting bolt on
each \fide of the \fwingarm in di-
rection (a). To loo\fen the drive
chain, t\brn the adj\b\fting bolt on
each \fide of the \fwingarm in di-
rection (b), and then p\b\fh the rear
wheel forward. NOTICE: Improp-
er drive chain slack will over-
load the engine as well as other
vital parts of the motorcycle
and can lead to chain slippage
or breakage. To prevent this
from occurring, keep the drive
chain slack within the specified
limits.
XT660Z 05-07 ING-AUS:MY03 04-06 ING 11-05-2009 10:10 Pagina 7-24

EAU23111
Checking and lubricating
the throttle grip and cable
The operation of the throttle \frip
should \be checked \before each ride.
In addition, the ca\ble should \be lu\bri-
cated at the intervals specified in the
periodic maintenance\l chart.
EAU23142
Checking and lubricating
the brake and clutch lever\f
Brake lever
Clutch leverThe operation of the \brake and clutch
levers should \be checked \before each
ride, and the lever pivots should \be lu-
\bricated if necessa\lry.
Recommended lubrican\vt\f\b
Brake lever:Silicone \frease
Clutch lever: Lithium-soap-\based \fr\lease
PERIODIC MAINTENANCE AND ADJUSTMENT
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PERIODIC M\fINTEN\fNCE \fND \fDJ\bSTMENT
EAU23182
Checking and lubricating
the brake pedal
The operation of the \frake pedal
\bhould \fe checked \fefore each ride,
and the pedal pivot \bhould \fe lu\fricat-
ed if nece\b\bary.
Recommended lubric\Mant:Lithium-\boap-\fa\bed grea\be
EAU23202
Checking and lubricating
the sidestand
The operation of the \bide\btand \bhould
\fe checked \fefore each ride, and the
\bide\btand pivot and metal-to-metal
contact \burface\b \bhould \fe lu\fricated
if nece\b\bary.
EWA10730
W\fRNING0
If the sidestand does not move up
and down smoothly, have a Yamaha
dealer check or repair it. Otherwise,
the sidestand could contact the
ground and distract the operator, re-
sulting in a possible loss of control.
Recommended lubric\Mant:Lithium-\boap-\fa\bed grea\be
EAU23250
Lubricating the rear
suspension
The pivoting point\b of the rear \bu\bpen-
\bion mu\bt \fe lu\fricated at the interval\b
\bpecified in the periodic maintenance
and lu\frication chart.
Recommended lubric\Mant:Lithium-\boap-\fa\bed grea\be
7-27
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PERIODIC MAINTENANCE AND ADJUSTMENT
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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
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PERIODIC M\fINTEN\fNCE \fND \fDJ\bSTMENT
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EAU23283
Checking the steering
Worn or loose steerin\f bearin\fs ma\b
cause dan\fer. Therefore, the opera-
tion of the steerin\f must be checked
as follows at the intervals specified in
the periodic maintenance and lubrica-
tion chart.1. Place a stand under the en\fine to raise the front wheel off the
\fround. (See pa\fe 7-36 for more
information.) W\fRNING! To avoid
injury, securely support the vehi-
cle so there is no danger of it
falling over.
2. Hold the lower ends of the front fork le\fs and tr\b to move them for-
ward and backward. If an\b free
pla\b can be felt, have a Yamaha
dealer check or repair the steerin\f.EAU23290
Checking the wheel bearings
The front and rear wheel bearin\fs
must be checked at the intervals spec-
ified in the periodic maintenance and
lubrication chart. If there is pla\b in the
wheel hub or if the wheel does not turn
smoothl\b, have a Yamaha dealer
check the wheel bearin\fs.
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