2008 YAMAHA XCITY 125 air filter

PERIODIC MAINTENANCE AND MINOR REPAIR
6-12
6
EAU33030
Changing the coolant
WARNING
EWA10380
Never attempt to remove the radiatorcap when the engine is hot.
The coolant must be changed at the in-
tervals specified in the periodic mainte-
nance and lubrication chart. Have a
Yamaha dealer change the coolant.
EAUM2241
Air filter and V-belt case air fil-
ter elements The air filter element should be re-
placed and the V-belt case air filter ele-
ment should be cleaned at the intervals
specified in the periodic maintenance
and lubrication chart. Service the air fil-
ter elements more frequently if you are
riding in unusually wet or dusty areas.
Replacing the air filter element
1. Place the scooter on the center-
stand.
2. Remove the air filter case cover by
removing the screws.3. Pull the air filter element out.
4. Insert a new air filter element into
the air filter case.
5. Install the air filter case cover by in-
stalling the screws.
Cleaning the V-belt case air filter el-
ement
1. Remove the V-belt case air filter
covers by removing the screws.1. Air filter case cover
2. Screw
3. Air filter element1
2 2ZAUM0662
3
1. V-belt case air filter cover
2. Screw
2 1
ZAUM0704
U16PE0E0.book Page 12 Tuesday, May 8, 2007 10:26 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-13
6 2. Remove the air filter element, and
then blow out the dirt with com-
pressed air as shown.
3. Check the air filter element for
damage and replace it if neces-
sary.4. Install the air filter element with the
colored side facing outward.
5. Install the V-belt case air filter cov-
ers by installing the screws.
CAUTION:
ECA10530


Make sure that each filter ele-
ment is properly seated in its
case.


The engine should never be op-
erated without the filter ele-
ments installed, otherwise the
piston(s) and/or cylinder(s) maybecome excessively worn.
EAU21382
Checking the throttle cable
free play The throttle cable free play should mea-
sure 3.0–5.0 mm (0.12–0.20 in) at the
throttle grip. Periodically check the
throttle cable free play and, if neces-
sary, have a Yamaha dealer adjust it.
1. Screw
2. V-belt case air filter cover
1. V-belt case air filter element
1
2
ZAUM0705
1
ZAUM0706
1. Throttle cable free play1ZAUM0051
U16PE0E0.book Page 13 Tuesday, May 8, 2007 10:26 AM

SPECIFICATIONS
8-1
8
Dimensions:Overall length:
2175 mm (85.6 in)
Overall width:
785 mm (30.9 in)
Overall height:
1460 mm (57.5 in)
Seat height:
790 mm (31.1 in)
Wheelbase:
1455 mm (57.3 in)
Ground clearance:
165 mm (6.50 in)
Minimum turning radius:
2300 mm (90.6 in)Weight:With oil and fuel:
167.0 kg (368 lb)Engine:Engine type:
Liquid cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
124.6 cm³
Bore × stroke:
52.0 × 58.6 mm (2.05 × 2.31 in)
Compression ratio:
11.20 :1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:Type:
SAE10W30, SAE10W40, SAE15W40,
SAE20W40 or SAE20W50
Recommended engine oil grade:
API service SG type or higher, JASO
standard MA
Engine oil quantity:
Without oil filter element replacement:
1.40 L (1.48 US qt) (1.23 Imp.qt)
With oil filter element replacement:
1.50 L (1.59 US qt) (1.32 Imp.qt)Final transmission oil:Type:
SAE10W30 type SE motor oil
Quantity:
0.21 L (0.22 US qt) (0.18 Imp.qt)Cooling system:Coolant reservoir capacity (up to the
maximum level mark):
0.20 L (0.21 US qt) (0.18 Imp.qt)
Radiator capacity (including all routes):
1.02 L (1.08 US qt) (0.90 Imp.qt)
Air filter:Air filter element:
Oil-coated paper elementFuel:Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
10.5 L (2.77 US gal) (2.31 Imp.gal)
Fuel reserve amount:
2.7 L (0.72 US gal) (0.60 Imp.gal)Fuel injection:Throttle body:
Manufacturer:
AISAN
Type/quantity:
EFI / 1Spark plug (s):Manufacturer/model:
NGK/CPR9EA-9
Spark plug gap:
0.8–0.9 mm (0.031–0.035 in)Clutch:Clutch type:
Dry, centrifugal automaticTransmission:Primary reduction system:
Helical gear
Primary reduction ratio:
41/14 (2.929)
Secondary reduction system:
Helical gear
Secondary reduction ratio:
44/12 (3.666)
-20 -10 0
10 20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40
U16PE0E0.book Page 1 Tuesday, May 8, 2007 10:26 AM

INDEXAAcceleration and deceleration................. 5-2
Air filter and V-belt case air filter
elements ............................................. 6-12
Auxiliary light bulb, replacing ................ 6-28BBattery................................................... 6-22
Brake fluid, changing ............................ 6-18
Brake fluid level, checking .................... 6-17
Brake lever, front..................................... 3-9
Brake lever, rear ..................................... 3-9
Brake levers, lubricating........................ 6-19
Braking .................................................... 5-3CCables, checking and lubricating .......... 6-19
Care ........................................................ 7-1
Catalytic converter ................................ 3-11
Centerstand and sidestand,
checking and lubricating ..................... 6-20
Coolant.................................................. 6-11
Coolant temperature gauge .................... 3-5
Cowlings and panels,
removing and installing ......................... 6-5DDimmer switch ........................................ 3-8
Display, multi-function ............................. 3-5EEngine break-in ....................................... 5-4
Engine oil ................................................ 6-7
Engine trouble warning light.................... 3-3FFinal transmission oil ............................ 6-10
Front and rear brake lever free play...... 6-16
Front and rear brake pads, checking .... 6-17Front fork, checking .............................. 6-20
Fuel....................................................... 3-10
Fuel consumption, tips for reducing........ 5-3
Fuel gauge.............................................. 3-4
Fuel tank cap ........................................ 3-10
Fuses, replacing ................................... 6-23
HHandlebar switches ................................ 3-8
Headlight bulb, replacing ...................... 6-24
High beam indicator light ........................ 3-3
Horn switch ............................................. 3-8IIdentification numbers ............................ 9-1
Ignition circuit cut-off system ................ 3-15
Immobilizer system ................................. 3-1
Immobilizer system indicator light........... 3-3
Indicator and warning lights .................... 3-3KKey identification number ....................... 9-1LLicense plate light bulb, replacing ........ 6-28
Luggage hook ....................................... 3-14MMain switch/steering lock........................ 3-2
Model label ............................................. 9-2PParking ................................................... 5-4
Part locations .......................................... 2-1
Periodic maintenance and lubrication
chart ..................................................... 6-2
Pre-operation check list .......................... 4-2SSafe-riding points.................................... 1-4
Safety information................................... 1-1Seat ....................................................... 3-11
Shock absorber assemblies,
adjusting ............................................. 3-13
Sidestand .............................................. 3-14
Spark plug, checking ............................... 6-6
Specifications .......................................... 8-1
Speedometer........................................... 3-4
Starting off ............................................... 5-2
Starting the engine .................................. 5-1
Start switch.............................................. 3-8
Steering, checking................................. 6-21
Storage.................................................... 7-3
Storage compartment................... 3-12, 3-13
TTail/brake light bulb or rear turn signal
light bulb, replacing ............................. 6-27
Throttle cable free play, checking ......... 6-13
Throttle grip and cable,
checking and lubricating ..................... 6-19
Tires ...................................................... 6-14
Tool kit..................................................... 6-1
Troubleshooting .................................... 6-28
Troubleshooting charts.......................... 6-29
Turn signal indicator lights ...................... 3-3
Turn signal light bulb (front),
replacing ............................................. 6-26
Turn signal switch ................................... 3-8VValve clearance..................................... 6-14
Vehicle identification number .................. 9-1WWheel bearings, checking ..................... 6-22
Wheels .................................................. 6-16
U16PE0E0.book Page 1 Tuesday, May 8, 2007 10:26 AM