PERIODIC MAINTENANCE AND ADJUSTMENT
6-6
6
EAU38263
TIPEngine air filter and V-belt air filters
• This model’s engine air filter is equipped with a disposable oil-coated paper element, which must not be cleaned
with compressed air to avoid damaging it.
• The engine air filter element needs to be replaced and the V-belt air filter elements need to be serviced more fre-
quently when riding in unusually wet or dusty areas.21*Cooling system• Check coolant level and vehicle
for coolant leakage.√√√√√
• Change coolant. Every 3 years
22Final transmission
oil• Check vehicle for oil leakage.√√ √
• Change.√√√
23*V-belt• Replace. When the V-belt replacement indicator flashes [every 18000 km (10500 mi)]
24*Front and rear
brake switches• Check operation.√√√√√√
25Moving parts and
cables• Lubricate.√√√√√
26*Throttle grip• Check operation.
• Check throttle grip free play, and
adjust if necessary.
• Lubricate cable and grip housing.√√√√√
27*Lights, signals and
switches• Check operation.
• Adjust headlight beam.√√√√√√ NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING
ANNUAL
CHECK 1000 km
(600 mi)6000 km
(3500 mi)12000 km
(7000 mi)18000 km
(10500 mi)24000 km
(14000 mi)
U2DME1E0.book Page 6 Wednesday, October 23, 2013 1:37 PM
PERIODIC MAINTENANCE AND ADJUSTMENT
6-16
6 since it is harmful to the engine.
If water has been used instead
of coolant, replace it with cool-
ant as soon as possible, other-
wise the cooling system will not
be protected against frost and
corrosion. If water has been
added to the coolant, have a
Yamaha dealer check the anti-
freeze content of the coolant as
soon as possible, otherwise the
effectiveness of the coolant will
be reduced.
[ECA10473]
6. Close the reservoir cap, and then
install the panel.7. Close the front storage compart-
ment.
EAU33032
Changing the coolant
The coolant must be changed at the in-
tervals specified in the periodic main-
tenance and lubrication chart. Have a
Yamaha dealer change the coolant.
WARNING! Never attempt to remove
the radiator cap when the engine is
hot.
[EWA10382]EAUM3370
Air filter and V-belt case air fil-
ter elements and check hosesThe air filter element should be re-
placed and the V-belt case air filter el-
ement should be cleaned at the
intervals specified in the periodic main-
tenance and lubrication chart. Service
the air filter 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.
1. Coolant reservoir capCoolant reservoir capacity:
0.32 L (0.34 US qt, 0.28 Imp.qt)ZAUM10301
1. Air filter case cover
2. Screw
3. Air filter elementZAUM11241
22
3
U2DME1E0.book Page 16 Wednesday, October 23, 2013 1:37 PM
PERIODIC MAINTENANCE AND ADJUSTMENT
6-17
63. 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
installing the screws.
To clean the air filter check hoses
1. Check the hoses at the bottom of
air filter case for accumulated dirt
or water.
Left
2. If dirt or water is visible, remove
the hose, clean it, and then install
it.Cleaning the V-belt case air filter el-
ement
1. Remove the V-belt case air filter
covers by removing the screws.
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.
NOTICE: Make sure that each
filter element is properly seated
in its case. The engine should
never be operated without the
filter elements installed, other-
wise the piston(s) and/or cylin-
der(s) may become excessively
worn.
[ECA10532]
1. Air filter check hoseZAUM11261
1. V-belt case air filter cover
2. ScrewZAUM1125
1. V-belt case air filter element
1
ZAUM0706
U2DME1E0.book Page 17 Wednesday, October 23, 2013 1:37 PM
SPECIFICATIONS
8-2
8
Secondary reduction ratio:
41/14 × 44/13 (9.912)
Transmission type:
V-belt automatic
Operation:
Centrifugal automatic typeChassis:Frame type:
Underbone
Caster angle:
28.00 °
Trail:
100 mm (3.9 in)Front tire:Type:
Tubeless
Size:
120/70-15 M/C 56P(METZELER)-
56S(MICHELIN)
Manufacturer/model:
METZELER / FEELFREE
Manufacturer/model:
MICHELIN / CITYGRIPRear tire:Type:
Tubeless
Size:
140/70-14 M/C 68P(METZELER)-
68S(MICHELIN)
Manufacturer/model:
METZELER / FEELFREE
Manufacturer/model:
MICHELIN / CITYGRIP
Loading:Maximum load:
YP125R 185 kg (408 lb)
YP125RA 181 kg (399 lb)
(Total weight of rider, passenger, cargo
and accessories)Tire air pressure (measured on cold
tires):Loading condition:
0–90 kg (0–198 lb)
Front:
190 kPa (1.90 kgf/cm², 28 psi)
Rear:
220 kPa (2.20 kgf/cm², 32 psi)
Loading condition:
YP125R 90–185 kg (198–408 lb)
YP125RA 90–181 kg (198–399 lb)
Front:
210 kPa (2.10 kgf/cm², 30 psi)
Rear:
250 kPa (2.50 kgf/cm², 36 psi)Front wheel:Wheel type:
Cast wheel
Rim size:
15 x MT3.5Rear wheel:Wheel type:
Cast wheel
Rim size:
14 x MT3.75Front brake:Type:
Single disc brakeOperation:
Right hand operation
Specified brake fluid:
DOT 4
Rear brake:Type:
Single disc brake
Operation:
Left hand operation
Specified brake fluid:
DOT 4Front suspension:Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
110 mm (4.3 in)Rear suspension:Type:
Unit swing
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
84 mm (3.3 in)Electrical system:Ignition system:
TCI
Charging system:
AC magnetoBattery:Model:
GT9B-4
U2DME1E0.book Page 2 Wednesday, October 23, 2013 1:37 PM
10-1
10
INDEX
AABS (for ABS models) .......................... 3-16
ABS warning light (for ABS models) ....... 3-4
Acceleration and deceleration ................ 5-3
Air filter and V-belt case air filter
elements ............................................. 6-16
Anti-theft alarm (optional) ..................... 3-13
Auxiliary light ........................................ 6-33BBattery .................................................. 6-27
Brake fluid, changing............................ 6-24
Brake fluid level, checking.................... 6-22
Brake lever, front .................................. 3-15
Brake lever, rear ................................... 3-15
Brake levers, lubricating ....................... 6-25
Braking ................................................... 5-3CCables, checking and lubricating ......... 6-24
Care ........................................................ 7-1
Catalytic converters.............................. 3-19
Centerstand and sidestand, checking
and lubricating ................................... 6-25
Coolant ................................................. 6-15DDimmer switch...................................... 3-14EEngine break-in ...................................... 5-4
Engine oil .............................................. 6-12
Engine trouble warning light ................... 3-4FFinal transmission oil ............................ 6-14
Front and rear brake lever free play,
checking ............................................. 6-21
Front and rear brake pads, checking ... 6-21Front fork, checking ............................. 6-26
Front turn signal light ........................... 6-31
Fuel ...................................................... 3-17
Fuel consumption, tips for reducing ...... 5-4
Fuel level warning light........................... 3-4
Fuel tank cap........................................ 3-17
Fuses, replacing ................................... 6-29
HHandlebar switches ............................. 3-14
Hazard switch ...................................... 3-14
Headlight bulb, replacing ..................... 6-30
High beam indicator light ....................... 3-4
Horn switch .......................................... 3-14IIdentification numbers ........................... 9-1
Ignition circuit cut-off system .............. 3-23
Immobilizer system ................................ 3-1
Immobilizer system indicator light ......... 3-5
Indicator lights and warning lights ......... 3-3LLicense plate light bulb, replacing ....... 6-32MMain switch/steering lock ...................... 3-2
Maintenance and lubrication, periodic... 6-4
Maintenance, emission control
system ................................................. 6-3
Matte color, caution ............................... 7-1
Model label............................................. 9-1
Multi-function meter unit ........................ 3-5PPanels, removing and installing ............. 6-8
Parking ................................................... 5-5
Part locations ......................................... 2-1
Pass switch .......................................... 3-14
SSafe-riding points ................................... 1-5
Safety information................................... 1-1
Seat....................................................... 3-19
Shock absorber assemblies,
adjusting ............................................. 3-21
Sidestand.............................................. 3-22
Spark plug, checking ............................ 6-10
Specifications ......................................... 8-1
Starting off .............................................. 5-2
Starting the engine ................................. 5-1
Start switch ........................................... 3-14
Steering, checking ................................ 6-27
Storage ................................................... 7-4
Storage compartments ......................... 3-20TTail/brake light ...................................... 6-31
Throttle grip and cable, checking and
lubricating ........................................... 6-24
Throttle grip free play, checking ........... 6-18
Tires ...................................................... 6-18
Tool kit .................................................... 6-2
Troubleshooting .................................... 6-33
Troubleshooting charts ......................... 6-34
Turn signal indicator lights...................... 3-3
Turn signal light bulb (rear),
replacing ............................................. 6-31
Turn signal switch ................................. 3-14VValve clearance..................................... 6-18
Vehicle identification number ................. 9-1WWheel bearings, checking .................... 6-27
Wheels .................................................. 6-20
U2DME1E0.book Page 1 Wednesday, October 23, 2013 1:37 PM