oil filter YAMAHA YZF-R125 2015 Owners Manual

TABLE OF CONTENTSSAFETY INFORMATION.................. 1-1
DESCRIPTION.................................. 2-1
Left view ......................................... 2-1
Right view ....................................... 2-2
Controls and instruments ............... 2-3
INSTRUMENT AND CONTROL
FUNCTIONS...................................... 3-1
Main switch/steering lock............... 3-1
Indicator lights and warning
lights............................................ 3-2
Multi-function meter unit ................ 3-4
Handlebar switches ...................... 3-11
Clutch lever .................................. 3-13
Shift pedal .................................... 3-13
Brake lever.................................... 3-13
Brake pedal .................................. 3-14
ABS (for ABS models) .................. 3-14
Fuel tank cap ................................ 3-15
Fuel ............................................... 3-16
Catalytic converter ....................... 3-17
Rider seat ..................................... 3-18
Sidestand ..................................... 3-18
Ignition circuit cut-off system ....... 3-19FOR YOUR SAFETY –
PRE-OPERATION CHECKS............. 4-1
OPERATION AND IMPORTANT
RIDING POINTS................................ 5-1
Starting the engine .......................... 5-1
Shifting ............................................ 5-2
Tips for reducing fuel
consumption ................................ 5-3
Engine break-in ............................... 5-3
Parking ............................................ 5-4
PERIODIC MAINTENANCE AND
ADJUSTMENT................................... 6-1
Owner’s tool kit ............................... 6-2
Periodic maintenance chart for the
emission control system .............. 6-3
General maintenance and
lubrication chart ........................... 6-4
Removing and installing the
cowlings and panel ...................... 6-8
Checking the spark plug ............... 6-10
Engine oil and oil filter element ..... 6-11
Coolant.......................................... 6-14
Replacing the air filter element
and cleaning the check hose..... 6-16
Checking the engine idling
speed ......................................... 6-16
Adjusting the throttle grip free
play ............................................ 6-17
Valve clearance ............................. 6-17Tires .............................................. 6-18
Cast wheels .................................. 6-20
Adjusting the clutch lever free
play ............................................ 6-21
Checking the front brake lever
free play..................................... 6-22
Adjusting the brake pedal free
play ............................................ 6-22
Brake light switches ..................... 6-22
Checking the front and rear brake
pads .......................................... 6-23
Checking the brake fluid level ...... 6-24
Changing the brake fluid .............. 6-25
Drive chain slack........................... 6-25
Cleaning and lubricating the drive
chain.......................................... 6-27
Checking and lubricating the
cables ........................................ 6-27
Checking and lubricating the
throttle grip and cable ............... 6-28
Checking and lubricating the
brake and clutch levers ............. 6-28
Checking and lubricating the
brake pedal ............................... 6-29
Checking and lubricating the
sidestand................................... 6-29
Lubricating the swingarm
pivots......................................... 6-29
Checking the front fork ................. 6-30
Checking the steering................... 6-30
Checking the wheel bearings ....... 6-31U5D7E5E0.book Page 1 Thursday, August 21, 2014 9:30 AM

DESCRIPTION
2-2
2
EAU10421
Right view
1
2 3 4 5 6
1. Front brake fluid reservoir (page 6-24)
2. Spark plug (page 6-10)
3. Engine oil filter element (page 6-11)
4. Dipstick (page 6-11)
5. Rear brake fluid reservoir (page 6-24)
6. Brake pedal (page 3-14)U5D7E5E0.book Page 2 Thursday, August 21, 2014 9:30 AM

OPERATION AND IMPORTANT RIDING POINTS
5-4
5500–1000 km (300–600 mi)
Avoid prolonged operation above 8000
r/min.
Rev the engine freely through the
gears, but do not use full throttle at any
time. NOTICE: After 1000 km (600 mi)
of operation, the engine oil must be
changed, the oil filter cartridge or el-
ement replaced, and the oil strainer
cleaned.
[ECA10322]
1000 km (600 mi) and beyond
The vehicle can now be operated nor-
mally.NOTICE
ECA10311
Keep the engine speed out of
the tachometer red zone.
If any engine trouble should oc-
cur during the engine break-in
period, immediately have a
Yamaha dealer check the vehi-
cle.
EAU17214
ParkingWhen parking, stop the engine, and
then remove the key from the main
switch.
WARNING
EWA10312
Since the engine and exhaust
system can become very hot,
park in a place where pedestri-
ans or children are not likely to
touch them and be burned.
Do not park on a slope or on soft
ground, otherwise the vehicle
may overturn, increasing the
risk of a fuel leak and fire.
Do not park near grass or other
flammable materials which
might catch fire.
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-6
6
19 Sidestand• Check operation.
• Lubricate with lithium-soap-
based grease.√√√√√
20*Sidestand switch• Check operation.√√√√√√
21*Front fork• Check operation and for oil leak-
age.√√√√
22*Shock absorber as-
sembly• Check operation and shock ab-
sorber for oil leakage.√√√√
23*Rear suspension re-
lay arm and con-
necting arm
pivoting points• Check operation.√√√√
• Lubricate with lithium-soap-
based grease.√√
24 Engine oil• Change. (See pages 3-10 and
6-11.)√When the oil change indicator light flashes (2000 km (1200 mi) af-
ter the initial 1000 km [600 mi] and every 3000 km (1800 mi)
thereafter)
• Check oil level and vehicle for oil
leakage.Every 3000 km (1800 mi)√
25Engine oil filter ele-
ment• Replace.√√√√√
26*Cooling system• Check coolant level and vehicle
for coolant leakage.√√√√√
• Change coolant. Every 3 years
27*Front and rear
brake switches• Check operation.√√√√√√
28Moving parts and
cables
• Lubricate.√√√√√ 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)
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-11
6 2. Check the spark plug for electrode
erosion and excessive carbon or
other deposits, and replace it if
necessary.
To install the spark plug
1. Measure the spark plug gap with a
wire thickness gauge and, if nec-
essary, adjust the gap to specifi-
cation.2. Clean the surface of the spark
plug gasket and its mating sur-
face, and then wipe off any grime
from the spark plug threads.
3. Install the spark plug with the
spark plug wrench, and then tight-
en it to the specified torque.
TIPIf a torque wrench is not available
when installing a spark plug, a good
estimate of the correct torque is 1/4…
1/2 turn past finger tight. However, the
spark plug should be tightened to the
specified torque as soon as possible.4. Install the spark plug cap.
5. Install the cowling.
EAUM3490
Engine oil and oil filter ele-
mentThe engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter ele-
ment replaced at the intervals specified
in the periodic maintenance and lubri-
cation chart.
To check the engine oil level
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion. A slight tilt to the side can
result in a false reading.
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Wait a few minutes until the oil set-
tles, remove the oil filler cap, wipe
the dipstick clean, insert it back
into the oil filler hole (without
screwing it in), and then remove it
again to check the oil level.
NOTICE: Do not operate the ve-
hicle until you know that the en-
gine oil level is sufficient.
[ECA10012]
Specified spark plug:
NGK/CR9E1. Spark plug gapSpark plug gap:
0.7–0.8 mm (0.028–0.031 in)
1
ZAUM0037
Tightening torque:
Spark plug:
12.5 Nm (1.25 m·kgf, 9.04 ft·lbf)
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-12
6
TIPThe engine oil should be between the
minimum and maximum level marks.
4. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the correct level.
5. Install the oil filler cap.
To change the engine oil (with or
without oil filter element replace-
ment)
1. Remove cowling D. (See page
6-8.)
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Install the engine oil drain attach-
ment, provided with the owner’s
tool kit, under the drain bolt of the
crankcase.4. Place an oil pan under the engine
to collect the used oil.
5. Remove the engine oil filler cap
and the drain bolt along with the
O-ring, compression spring, and
engine oil strainer, to drain the oil
from the crankcase. NOTICE:
When removing the engine oil
drain bolt, the O-ring, compres-
sion spring, and oil strainer will
fall out. Take care not to lose
these parts.
[ECA11002]
1. Engine oil filler cap
1. Dipstick
2. Maximum level mark
3. Minimum level mark
1
2
3
ZAUE1300
1. Engine oil drain bolt (crankcase)
2. Engine oil drain attachmentZAUM1229
2
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-13
6
6. Clean the engine oil strainer with
solvent.
TIPSkip steps 7…9 if the oil filter element is
not being replaced.7. Remove the oil filter element cover
by removing the bolts.8. Remove and replace the oil filter
element and O-ring.9. Install the oil filter element cover
by installing the bolts, then tight-
ening them to the specified
torque.
TIPMake sure that the O-ring is properly
seated.10. Install the engine oil strainer, com-
pression spring, O-ring and the
engine oil drain bolt, and then
tighten it to the specified torque.
NOTICE: Before installing the
engine oil drain bolt, do not for-
get to install the O-ring, com-
pression spring, and oil strainer
in position.
[ECA10422]
1. Engine oil drain bolt
2. O-ring
3. Compression spring
4. Strainer
5. Oil pan
1. Bolt
2. Oil filter element cover
1. Oil filter element
2. O-ring
Tightening torques:
Oil filter element cover bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Tightening torques:
Engine oil drain bolt:
32 Nm (3.2 m·kgf, 23 ft·lbf)
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-14
611. Refill with the specified amount of
the recommended engine oil, and
then install and tighten the oil filler
cap.
NOTICE
ECA11621
In order to prevent clutch slip-
page (since the engine oil also
lubricates the clutch), do not
mix any chemical additives. Do
not use oils with a diesel speci-
fication of “CD” or oils of a high-
er quality than specified. In
addition, do not use oils labeled
“ENERGY CONSERVING II” or
higher.
Make sure that no foreign mate-
rial enters the crankcase.
12. Start the engine, and then let it idle
for several minutes while checking
it for oil leakage. If oil is leaking,
immediately turn the engine off
and check for the cause.
13. Turn the engine off, and then
check the oil level and correct it if
necessary.
14. Reset the oil change indicator.
(See page 3-10.)
EAU20071
CoolantThe coolant level should be checked
before each ride. In addition, the cool-
ant must be changed at the intervals
specified in the periodic maintenance
and lubrication chart.
EAU20095
To check the coolant level
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion.TIPThe coolant level must be
checked on a cold engine since
the level varies with engine tem-
perature.
Make sure that the vehicle is posi-
tioned straight up when checking
the coolant level. A slight tilt to the
side can result in a false reading.2. Check the coolant level in the
coolant reservoir.TIPThe coolant should be between the
minimum and maximum level marks.
Recommended engine oil:
See page 8-1.
Oil quantity:
Without oil filter element replace-
ment:
0.95 L (1.00 US qt, 0.84 Imp.qt)
With oil filter element replacement:
1.00 L (1.06 US qt, 0.88 Imp.qt)
U5D7E5E0.book Page 14 Thursday, August 21, 2014 9:30 AM

SPECIFICATIONS
8-1
8
Dimensions:Overall length:
1950 mm (76.8 in)
Overall width:
695 mm (27.4 in)
Overall height:
1065 mm (41.9 in)
Seat height:
810 mm (31.9 in)
Wheelbase:
1350 mm (53.1 in)
Ground clearance:
155 mm (6.10 in)
Minimum turning radius:
3100 mm (122.0 in)Weight:Curb weight:
YZF-R125 140 kg (309 lb)
YZF-R125A 142 kg (313 lb)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-50
Recommended engine oil grade:
API service SG type or higher, JASO
standard MA
Engine oil quantity:
Without oil filter element replacement:
0.95 L (1.00 US qt, 0.84 Imp.qt)
With oil filter element replacement:
1.00 L (1.06 US qt, 0.88 Imp.qt)Coolant quantity:Coolant reservoir (up to the maximum level
mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator (including all routes):
1.00 L (1.06 US qt, 0.88 Imp.qt)Air filter:Air filter element:
Dry element
Fuel:Recommended fuel:
Premium unleaded gasoline (Gasohol (E10)
acceptable)
Fuel tank capacity:
11.5 L (3.04 US gal, 2.53 Imp.gal)
Fuel reserve amount:
3.0 L (0.79 US gal, 0.66 Imp.gal)Fuel injection:Throttle body:
ID mark:
5D78 10Spark plug(s):Manufacturer/model:
NGK/CR9E
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)Clutch:Clutch type:
Wet, multiple-discTransmission:Primary reduction ratio:
73/24 (3.042)
Final drive:
Chain
Secondary reduction ratio:
48/14 (3.429)
Transmission type:
Constant mesh 6-speed
Operation:
Left foot operation
Gear ratio:
1st:
34/12 (2.833)
–20 –10 0
1020 30 40 50 C 10 30 50 70 90 110 0 130 F
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40SAE 10W-50
U5D7E5E0.book Page 1 Thursday, August 21, 2014 9:30 AM

10-1
10
INDEXAABS (for ABS models) ........................... 3-14
ABS warning light (for ABS models) ....... 3-3
Air filter element and check hose,
replacing and cleaning ....................... 6-16
Auxiliary light bulb, replacing ................ 6-35BBattery .................................................. 6-31
Brake and clutch levers, checking and
lubricating ........................................... 6-28
Brake fluid, changing ............................ 6-25
Brake fluid level, checking .................... 6-24
Brake lever ............................................ 3-13
Brake light switches.............................. 6-22
Brake pedal........................................... 3-14
Brake pedal, checking and
lubricating ........................................... 6-29
Brake pedal free play, adjusting ........... 6-22CCables, checking and lubricating ......... 6-27
Care ........................................................ 7-1
Catalytic converter ................................ 3-17
Clutch lever ........................................... 3-13
Clutch lever free play, adjusting ........... 6-21
Coolant ................................................. 6-14
Cowlings and panel, removing and
installing................................................ 6-8DDimmer switch ...................................... 3-12
Drive chain, cleaning and lubricating .... 6-27
Drive chain slack................................... 6-25EEngine break-in....................................... 5-3
Engine idling speed, checking .............. 6-16Engine oil and oil filter element ............ 6-11
Engine stop switch ............................... 3-12
Engine trouble warning light ................... 3-3
FFront and rear brake pads, checking ... 6-23
Front brake lever free play, checking ... 6-22
Front fork, checking ............................. 6-30
Fuel ....................................................... 3-16
Fuel consumption, tips for reducing ...... 5-3
Fuel level warning light ........................... 3-2
Fuel tank cap ........................................ 3-15
Fuses, replacing ................................... 6-33HHandlebar switches .............................. 3-11
Headlight bulb, replacing ..................... 6-34
High beam indicator light ....................... 3-2
Horn switch .......................................... 3-12IIdentification numbers ............................ 9-1
Ignition circuit cut-off system ............... 3-19
Indicator lights and warning lights ......... 3-2
Info switch ............................................ 3-12LLicense plate light bulb, replacing........ 6-36MMain switch/steering lock....................... 3-1
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 ........................ 3-4NNeutral indicator light ............................. 3-2
PParking ....................................................5-4
Part locations ..........................................2-1
Pass switch ...........................................3-12RRider seat ..............................................3-18SSafety information ...................................1-1
Shifting ....................................................5-2
Shift pedal .............................................3-13
Sidestand ..............................................3-18
Sidestand, checking and lubricating.....6-29
Spark plug, checking ............................6-10
Specifications .........................................8-1
Starting the engine ..................................5-1
Start switch ...........................................3-12
Steering, checking ................................6-30
Storage ...................................................7-3
Supporting the motorcycle ...................6-36
Swingarm pivots, lubricating ................6-29TTail/brake light ......................................6-35
Throttle grip and cable, checking and
lubricating ...........................................6-28
Throttle grip free play, adjusting ...........6-17
Tires ......................................................6-18
Tool kit ....................................................6-2
Troubleshooting ....................................6-40
Troubleshooting charts .........................6-42
Turn signal indicator light........................3-2
Turn signal light bulb, replacing ............6-35
Turn signal switch .................................3-12VValve clearance .....................................6-17
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