Page 85 of 100

Periodic maintenance an d a djustment
6-36
6
EAU42365
Trou bleshootin g chartsStartin g prob lems 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.
UB4CE0E0.book Page 36 Monday, December 11, 2017 3:53 PM
Page 86 of 100

Periodic maintenance an d a djustment
6-37
6 En
gine overheatin g
WARNING
EWA10401
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.
After removin g the ra diator cap retainin g b olt, place a thick ra g, like a towel, over the rad iator cap, and then
slowly rotate the cap counterclockwise to the d etent to allow any residual pressure to escape. When the hiss-
in g soun d has stoppe d, press d own 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.
UB4CE0E0.book Page 37 Monday, December 11, 2017 3:53 PM
Page 95 of 100

Consumer information
9-2
9
The model label is affixed to the frame
under the passenger seat. (See page
3-19.) Record the information on this
label in the space provided. This infor-
mation will be needed when ordering
spare parts from a Yamaha dealer.
EAU69910
Dia
gnostic connectorThe diagnostic connector is located as
shown.
EAU74702
Vehicle data recor din gThis model’s ECU stores certain vehi-
cle data to assist in the diagnosis of
malfunctions and for research and de-
velopment purposes. This data will be
uploaded only when a special Yamaha
diagnostic tool is attached to the vehi-
cle, such as when maintenance checks
or service procedures are performed.
Although the sensors and recorded
data will vary by model, the main data
points are:
Vehicle status and engine perfor-
mance data
Fuel-injection and emission-relat-
ed data
Yamaha will not disclose this data to a
third party except: With the consent of the vehicle
owner
Where obligated by law
For use by Yamaha in litigation
For general Yamaha-conducted
research purposes when the data
is not related to an individual vehi-
cle nor owner
1. Diagnostic connector
1
UB4CE0E0.book Page 2 Monday, December 11, 2017 3:53 PM
Page 96 of 100

10-1
10
IndexAABS ....................................................... 3-15
ABS warning light ................................... 3-5
Air filter element and check hose,
replacing and cleaning ....................... 6-14
Auxiliary DC connector ......................... 3-25
Auxiliary light bulb, replacing ................ 6-32BBattery .................................................. 6-28
Brake and clutch levers, checking and lubricating ........................................... 6-25
Brake and shift pedals, checking and
lubricating ........................................... 6-25
Brake fluid, changing ............................ 6-21
Brake fluid level, checking .................... 6-20
Brake lever ............................................ 3-14
Brake lever free play, checking............. 6-18
Brake light switches.............................. 6-19
Brake pedal........................................... 3-14
Brake/tail light ....................................... 6-33CCables, checking and lubricating ......... 6-24
Canister................................................... 6-9
Care ........................................................ 7-1
Catalytic converter ................................ 3-19
Clutch lever ........................................... 3-13
Clutch lever free play, adjusting ........... 6-18
Coolant ................................................. 6-12
Coolant temperature warning light ......... 3-4DData recording, vehicle ........................... 9-2
Diagnostic connector.............................. 9-2
Dimmer switch ...................................... 3-13
Drive chain, cleaning and lubricating .... 6-23 Drive chain slack .................................. 6-22
EEngine break-in ...................................... 5-3
Engine oil and oil filter
cartridge ............. 6-9
Engine serial number .............................. 9-1
Engine trouble warning light ................... 3-5FFront and rear brake pads, checking ... 6-19
Front fork, checking ............................. 6-27
Fuel ....................................................... 3-16
Fuel consumption, tips for reducing ...... 5-3
Fuel tank cap ........................................ 3-16
Fuel tank overflow hose ....................... 3-18
Fuses, replacing ................................... 6-29HHandlebar switches .............................. 3-12
Hazard switch....................................... 3-13
Headlight bulb, replacing ..................... 6-31
Helmet holding cable ........................... 3-21
High beam indicator light ....................... 3-4
Horn switch .......................................... 3-13IIdentification numbers ............................ 9-1
Ignition circuit cut-off system ............... 3-26
Immobilizer system ................................ 3-1
Immobilizer system indicator light .......... 3-5
Indicator lights and warning lights ......... 3-4LLicense plate light bulb, replacing........ 6-34
Luggage strap holders ......................... 3-24MMain 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
NNeutral indicator light ..............................3-4OOil pressure warning light .......................3-4PParking ....................................................5-4
Part locations ..........................................2-1
Pass switch ...........................................3-13SSafety information ...................................1-1
Seats .....................................................3-19
Shifting ....................................................5-2
Shift pedal .............................................3-14
Shock absorber assembly, adjusting ....3-23
Sidestand ..............................................3-25
Sidestand, checking and lubricating.....6-26
Spark plugs, checking ............................6-8
Specifications .........................................8-1
Start/Engine stop switch .......................3-13
Starting the engine ..................................5-1
Steering, checking ................................6-27
Storage ...................................................7-3
Storage compartment ...........................3-22
Supporting the motorcycle ...................6-35
Swingarm pivots, lubricating ................6-26TThrottle grip and cable, checking and lubricating ...........................................6-24
Throttle grip free play, checking ...........6-14
UB4CE0E0.book Page 1 Monday, December 11, 2017 3:53 PM