engine YAMAHA XCITY 125 2009 Service Manual

SPECIFICATIONS
8-1
8
Dimensions:Overall length:
2175 mm (85.6 in)
Overall width:
785 mm (30.9 in)
Overall height:
1475 mm (58.1 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:
SAE 10W-30, SAE 10W-40, SAE 15W-40,
SAE 20W-40 or SAE 20W-50
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:
SAE 10W-30 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-40SAE 10W-50
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SPECIFICATIONS
8-3
8
Front turn signal light:
12 V, 10.0 W × 2
Rear turn signal light:
12 V, 10.0 W × 2
Auxiliary light:
12 V, 5.0 W × 2
License plate light:
12 V, 5.0 W × 1
Meter lighting:
LED
High beam indicator light:
LED
Turn signal indicator light:
LED x 2
Fuel level warning light:
LED
Engine trouble warning light:
LED
Immobilizer system indicator light:
LEDFuses:Main fuse:
30.0 A
Headlight fuse:
15.0 A
Signaling system fuse:
15.0 A
Ignition fuse:
10.0 A
Radiator fan fuse:
5.0 A
ECU (Electronic Control Unit) fuse:
5.0 ABackup fuse:
5.0 A
U16PE1E0.book Page 3 Monday, July 28, 2008 9:57 AM

INDEXAAcceleration and deceleration................. 5-2
Air filter and V-belt case air filter
elements ............................................. 6-13
Auxiliary light bulb, replacing ................ 6-28BBattery................................................... 6-23
Brake fluid, changing ............................ 6-19
Brake fluid level, checking .................... 6-18
Brake lever, front..................................... 3-9
Brake lever, rear ..................................... 3-9
Brake levers, lubricating........................ 6-20
Braking .................................................... 5-3CCables, checking and lubricating .......... 6-20
Care ........................................................ 7-1
Carrier ................................................... 3-16
Catalytic converters .............................. 3-12
Centerstand and sidestand,
checking and lubricating ..................... 6-21
Coolant.................................................. 6-12
Coolant temperature gauge .................... 3-5
Cowlings and panels,
removing and installing ......................... 6-6DDimmer switch ........................................ 3-9
Display, multi-function ............................. 3-5EEngine break-in ....................................... 5-4
Engine oil ................................................ 6-8
Engine trouble warning light.................... 3-3FFinal transmission oil ............................ 6-11
Front and rear brake lever free play...... 6-17Front and rear brake pads, checking .... 6-18
Front fork, checking .............................. 6-21
Fuel....................................................... 3-10
Fuel consumption, tips for reducing........ 5-3
Fuel gauge.............................................. 3-5
Fuel tank cap ........................................ 3-10
Fuses, replacing ................................... 6-24
HHandlebar switches ................................ 3-8
Headlight bulb, replacing ...................... 6-25
High beam indicator light ........................ 3-3
Horn switch ............................................. 3-9IIdentification numbers ............................ 9-1
Ignition circuit cut-off system ................ 3-17
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 ....................................... 3-16MMain switch/steering lock........................ 3-2
Model label ............................................. 9-2PParking ................................................... 5-4
Part locations .......................................... 2-1
Periodic maintenance and lubrication
chart ..................................................... 6-2SSafe-riding points.................................... 1-5
Safety information................................... 1-1Seat ....................................................... 3-12
Shock absorber assemblies,
adjusting ............................................. 3-15
Sidestand .............................................. 3-16
Spark plug, checking ............................... 6-7
Specifications .......................................... 8-1
Speedometer........................................... 3-4
Starting off ............................................... 5-2
Starting the engine .................................. 5-1
Start switch.............................................. 3-9
Steering, checking................................. 6-22
Storage.................................................... 7-3
Storage compartments .......................... 3-13
TTail/brake light bulb or rear turn signal
light bulb, replacing ............................. 6-27
Throttle cable free play, checking ......... 6-14
Throttle grip and cable,
checking and lubricating ..................... 6-20
Tires ...................................................... 6-15
Tool kit..................................................... 6-1
Troubleshooting .................................... 6-29
Troubleshooting charts.......................... 6-30
Turn signal indicator lights ...................... 3-3
Turn signal light bulb (front),
replacing ............................................. 6-27
Turn signal switch ................................... 3-9VValve clearance..................................... 6-15
Vehicle identification number .................. 9-1WWheel bearings, checking ..................... 6-22
Wheels .................................................. 6-17
Windshield............................................. 3-14
U16PE1E0.book Page 1 Monday, July 28, 2008 9:57 AM