Page 89 of 96

Specifications
8-1
8
Dimensions:
Overall length:
2160 mm (85.0 in)
Overall width:
790 mm (31.1 in)
Overall height:
1385 mm (54.5 in)
Seat height:
785 mm (30.9 in)
Wheelbase:
1525 mm (60.0 in)
Ground clearance:
125 mm (4.92 in)
Minimum turning radius:
2500 mm (98.4 in)
Weight:
Curb weight:
169 kg (373 lb) (YP125R)
173 kg (381 lb) (YP125RA)
Engine:
Engine type:
Liquid cooled 4-stroke, SOHC
Cylinder arrangement:
Single cylinder
Displacement:
124 cm³
Bore × stroke:
52.0 × 58.6 mm (2.05 × 2.31 in)
Compression ratio:
11.2 : 1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:
Recommended brand:
YAMALUBE
Type:
SAE 10W-30, 10W-40, 15W-40, 20W-40 or
20W-50Recommended 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:
YAMALUBE 10W-40 or SAE 10W-30 type
SE motor oil
Quantity:
0.21 L (0.22 US qt, 0.18 Imp.qt)
Coolant quantity:
Coolant reservoir (up to the maximum level
mark):
0.32 L (0.34 US qt, 0.28 Imp.qt)
Radiator (including all routes):
1.10 L (1.16 US qt, 0.97 Imp.qt)
Air filter:
Air filter element:
Oil-coated paper element
Fuel:
Recommended fuel:
Premium unleaded gasoline (Gasohol (E10)
acceptable)
Fuel tank capacity:
13.2 L (3.48 US gal, 2.90 Imp.gal)
Fuel reserve amount:
2.5 L (0.66 US gal, 0.55 Imp.gal)
Fuel injection:
Throttle body:
ID mark:
1B91 00
Spark plug(s):
Manufacturer/model:
NGK/CPR9EA-9
–20 –10 0
1020 30 40 50 C 10 30 50 70 90 110 0 130 F
SAE 10W-30
SAE 15W-40
SAE 20W-40
SAE 20W-50
SAE 10W-40
SAE 10W-50
U2DME2E0.book Page 1 Tuesday, June 30, 2015 11:38 AM
Page 90 of 96

Specifications
8-2
8
Spark plug gap:
0.8–0.9 mm (0.031–0.035 in)
Clutch:
Clutch type:
Dry, centrifugal automatic
Transmission:
Primary reduction ratio:
(1.000)
Final drive:
Gear
Secondary reduction ratio:
41/14 × 44/13 (9.912)
Transmission type:
V-belt automatic
Operation:
Centrifugal automatic type
Chassis:
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 / CITYGRIP
Rear tire:
Type:
Tubeless
Size:
140/70-14 M/C 68P(METZELER)-
68S(MICHELIN)
Manufacturer/model:
METZELER / FEELFREE
Manufacturer/model:
MICHELIN / CITYGRIP
Loading:
Maximum load:
181 kg (399 lb) (YP125RA)
185 kg (408 lb) (YP125R)
(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:
90–181 kg (198–399 lb) (YP125RA)
90–185 kg (198–408 lb) (YP125R)
Loading condition:
90 kg - maximum load
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 MT3.5
Rear wheel:
Wheel type:
Cast wheel
Rim size:
14 x MT3.75
Front brake:
Type:
Single disc brake
Operation:
Right hand operation
Specified brake fluid:
DOT 4
Rear brake:
Type:
Single disc brake
Operation:
Left hand operation
Specified brake fluid:
DOT 4
Front suspension:
Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
110 mm (4.3 in)
U2DME2E0.book Page 2 Tuesday, June 30, 2015 11:38 AM
Page 91 of 96

Specifications
8-3
8
Rear suspension:
Type:
Unit swing
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
84 mm (3.3 in)
Electrical system:
System voltage:
12 V
Ignition system:
TCI
Charging system:
AC magneto
Battery:
Model:
GT9B-4
Voltage, capacity:
12 V, 8.0 Ah
Headlight:
Bulb type:
Halogen bulb
Bulb voltage, wattage × quantity:
Headlight:
12 V, 55.0 W × 2
Brake/tail light:
LED
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 (YP125R,
YP125RA_CYP/GBR/GRC/IRL/SVN)
Auxiliary light:
LED (YP125RA_CYP/GRC/IRL/SVN)
License plate light:
12 V, 5.0 W × 1
Meter lighting:
LED
High beam indicator light:
LED
Turn signal indicator light:
LED
Fuel level warning light:
LED
Engine trouble warning light:
LED
ABS warning light:
LED (YP125RA)
Fuse:
Main fuse:
30.0 A
Headlight fuse:
20.0 A
Signaling system fuse:
10.0 A
Ignition fuse:
10.0 A
Radiator fan motor fuse:
7.5 A
Turn signal light and hazard fuse:
10.0 A
ECU fuse:
10.0 A
ABS control unit fuse:
10.0 A (YP125RA)
ABS motor fuse:
30.0 A (YP125RA)
ABS solenoid fuse:
20.0 A (YP125RA)
Backup fuse:
10.0 A
U2DME2E0.book Page 3 Tuesday, June 30, 2015 11:38 AM
Page 92 of 96
Consumer information
9-1
9
EAU40793
Identification numbers
Record the vehicle identification num-
ber and model label information in the
spaces provided below for assistance
when ordering spare parts from a
Yamaha dealer or for reference in case
the vehicle is stolen.
VEHICLE IDENTIFICATION NUMBER:
MODEL LABEL INFORMATION:
EAU26411Vehicle identification number
The vehicle identification number is
stamped into the frame.
TIP
The vehicle identification number is
used to identify your vehicle and may
be used to register it with the licensing
authority in your area.
EAU26461Model label
The model label is affixed to the loca-
tion shown. Record the information on
this label in the space provided. This
information will be needed when order-
ing spare parts from a Yamaha dealer.
1. Vehicle identification number
ZAUM0683
1
1. Model label
U2DME2E0.book Page 1 Tuesday, June 30, 2015 11:38 AM
Page 93 of 96

10-1
10
Index
A
ABS (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 ............................................ 6-15
Auxiliary lights ...................................... 6-31
B
Battery .................................................. 6-27
Brake fluid, changing ........................... 6-23
Brake fluid level, checking ................... 6-22
Brake lever, front .................................. 3-15
Brake lever, rear ................................... 3-16
Brake levers, lubricating ....................... 6-25
Braking ................................................... 5-4
C
Cables, checking and lubricating ......... 6-24
Care ........................................................ 7-1
Catalytic converters ............................. 3-19
Centerstand and sidestand, checking
and lubricating ................................... 6-25
Coolant ................................................. 6-14
D
Dimmer switch ..................................... 3-14
E
Engine break-in ...................................... 5-5
Engine oil .............................................. 6-10
Engine trouble warning light................... 3-4
F
Final transmission oil ............................ 6-13
Front and rear brake lever free play,
checking............................................. 6-20
Front and rear brake pads, checking ... 6-21
Front fork, checking ............................. 6-26
Front turn signal light ........................... 6-32
Fuel....................................................... 3-18
Fuel consumption, tips for reducing ...... 5-5
Fuel level warning light ........................... 3-4
Fuel tank cap........................................ 3-17
Fuses, replacing ................................... 6-29
H
Handlebar switches.............................. 3-14
Hazard switch ...................................... 3-14
Headlight bulb, replacing ..................... 6-31
High beam indicator light ....................... 3-4
Horn switch .......................................... 3-14
I
Identification numbers............................ 9-1
Ignition circuit cut-off system............... 3-24
Immobilizer system ................................ 3-1Immobilizer system indicator light .......... 3-5
Indicator lights and warning lights .......... 3-4
Info switch ............................................ 3-15
L
License plate light bulb, replacing ........ 6-34
M
Main 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 ........................ 3-6
P
Panels, removing and installing .............. 6-7
Parking .................................................... 5-6
Part locations .......................................... 2-1
Pass switch........................................... 3-14
S
Safe-riding points ................................... 1-5
Safety information................................... 1-1
Seat....................................................... 3-20
Shock absorber assemblies,
adjusting ............................................. 3-22
Sidestand .............................................. 3-23
Spark plug, checking .............................. 6-9
Specifications ......................................... 8-1
Starting off .............................................. 5-3
Starting the engine.................................. 5-2
Start switch ........................................... 3-14
Steering, checking ................................ 6-26
Storage ................................................... 7-4
Storage compartments ......................... 3-21
T
Tail/brake light ...................................... 6-32
Throttle grip and cable, checking and
lubricating ........................................... 6-24
Throttle grip free play, checking ........... 6-17
Tires ...................................................... 6-18
Tool kit .................................................... 6-2
Troubleshooting .................................... 6-34
Troubleshooting charts ......................... 6-35
Turn signal indicator lights ...................... 3-4
Turn signal light bulb (rear), replacing... 6-33
Turn signal switch ................................. 3-14
V
Valve clearance..................................... 6-17
Vehicle identification number ................. 9-1
W
Wheel bearings, checking..................... 6-27
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Page 94 of 96
Index
10-2
10
Wheels .................................................. 6-20
U2DME2E0.book Page 2 Tuesday, June 30, 2015 11:38 AM
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A5-tate_Blank.fm Page 1 Thursday, November 24, 2011 4:30 PM
Page 96 of 96
PANTONE285C
MBK IndustrieZ.I. de Rouvroy 02100 Saint Quentin
PRINTED IN FRANCE
2015.09 (E)
Original instructions