2015 YAMAHA YZF-R3 maintenance

PERIODIC MAINTENANCE AND ADJUSTMENT
6-36
6
a jack either under each side of the
frame in front of the rear wheel or under
each side of the swingarm.
EAU25872
Trou
bleshootin gAlthough Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur
during operation. Any problem in the
fuel, compression, or ignition systems,
for example, can cause poor starting
and loss of power.
The following troubleshooting charts
represent quick and easy procedures
for checking these vital systems your-
self. However, should your motorcycle
require any repair, take it to a Yamaha
dealer, whose skilled technicians have
the necessary tools, experience, and
know-how to service the motorcycle
properly.
Use only genuine Yamaha replace-
ment parts. Imitation parts may look
like Yamaha parts, but they are often
inferior, have a shorter service life and
can lead to expensive repair bills.
WARNING
EWA15142
When checkin g the fuel system, d o
not smoke, an d make sure there are
no open flames or sparks in the ar-
ea, inclu din g pilot li ghts from water heaters or furnaces. Gasoline or
g
asoline vapors can i gnite or ex-
plo de, causin g severe injury or prop-
erty damag e.
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-37
6
EAU42505
Troubleshootin g chartsStartin g pro blems or poor en gine performance
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.
There is no fuel.
Check the battery.
Supply fuel.
The engine does not start.
Check the battery.
Remove the spark plugs
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gaps, or replace the spark plugs.
Have a Yamaha dealer check the vehicle.
Operate the electric starter.4. Compression
There is compression.
There is no compression.
The engine does not start.
Have a Yamaha dealer check the vehicle.Have a Yamaha dealer check the vehicle.
The engine does not start.
Check the compression.
Operate the electric starter.2. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The engine does not start.
Check the ignition.
The battery is good.Check the battery lead connections,
and have a Yamaha dealer charge
the battery if necessary.
DryWet
Operate the electric starter.
UB02E0E0.book Page 37 Thursday, January 15, 2015 3:39 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-38
6
En
gine overheatin g
WARNING
EWAT1041
Do not remove the ra diator cap when the en gine an d ra diator are hot. Scal din g hot flui d an d steam may be
b lown out un der pressure, which coul d cause serious injury. Be sure to wait until the en gine has coole d.
 Place a thick ra g, like a towel, over the ra diator cap, an d then slowly rotate the cap counterclockwise to the
d etent to allow any resi dual pressure to escape. When the hissin g soun d has stoppe d, press down on the cap
while turnin g it counterclockwise, an d then remove the cap.TIPIf coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended cool-
ant as soon as possible.
Wait until the
engine has cooled.
Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer checkand repair the cooling system.Add coolant. (See TIP.)
Start the engine. If the engine overheats again,
have a
Yamaha dealer check
and repair the cooling system.
There is
leakage.
There is
no leakage.
UB02E0E0.book Page 38 Thursday, January 15, 2015 3:39 PM

10-1
10
INDEXAABS ....................................................... 3-14
ABS warning light ................................... 3-3
Air filter element and check hose, replacing and cleaning ....................... 6-13
Auxiliary light bulb................................. 6-34BBattery .................................................. 6-29
Brake and clutch levers,
checking and lubricating .................... 6-26
Brake and shift pedals, checking and lubricating .................... 6-25
Brake fluid, changing ............................ 6-22
Brake fluid level, checking .................... 6-21
Brake lever ............................................ 3-13
Brake lever free play, checking............. 6-19
Brake light switches.............................. 6-20
Brake pedal........................................... 3-13CCables, checking and lubricating ......... 6-25
Care ........................................................ 7-1
Catalytic converter ................................ 3-17
Clutch lever ........................................... 3-12
Clutch lever free play, adjusting ........... 6-18
Coolant ................................................. 6-12DDimmer switch ...................................... 3-12
Drive chain, cleaning and lubricating .... 6-24
Drive chain slack................................... 6-22EEngine break-in....................................... 5-4
Engine oil and oil filter cartridge ............. 6-9
Engine serial number .............................. 9-1
Engine stop switch ............................... 3-12 Engine trouble warning light ................... 3-3
FFront and rear brake pads, checking ... 6-20
Front fork, checking ............................. 6-27
Fuel ....................................................... 3-15
Fuel tank breather hose and
overflow hose ..................................... 3-17
Fuel tank cap ........................................ 3-15
Fuses, replacing ................................... 6-30HHandlebar switches .............................. 3-11
Headlight bulb, replacing ..................... 6-32
Helmet holders ..................................... 3-19
High beam indicator light ....................... 3-2
Horn switch .......................................... 3-12IIdentification numbers ............................ 9-1
Ignition circuit cut-off system ............... 3-22
Indicator lights and warning lights ......... 3-2LLicense plate light bulb, replacing........ 6-35
Luggage strap holders ......................... 3-21MMain 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 ............................. 3-2OOil pressure warning light ....................... 3-2
PParking ....................................................5-4
Part locations ..........................................2-1
Pass switch ...........................................3-12RRear view mirrors ..................................3-20SSafety information ...................................1-1
Seats .....................................................3-18
Shifting ....................................................5-2
Shift pedal .............................................3-13
Shift timing indicator light .......................3-3
Shock absorber assembly, adjusting ....3-20
Sidestand ..............................................3-22
Sidestand, checking and lubricating.....6-27
Spark plugs, checking ............................6-8
Specifications .........................................8-1
Starting the engine ..................................5-1
Start switch ...........................................3-12
Steering, checking ................................6-28
Storage ...................................................7-4
Storage compartment ...........................3-20
Supporting the motorcycle ...................6-36
Swingarm pivots, lubricating ................6-27TTail/brake light ......................................6-34
Throttle grip and cable, checking and lubricating ....................6-25
Throttle grip free play, checking ...........6-15
Tires ......................................................6-15
Tool kit ....................................................6-2
Troubleshooting ....................................6-37
Troubleshooting charts .........................6-38
Turn signal indicator light........................3-2
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