Periodic maintenance an d a djustment
6-44
6
EAU63470
Trou bleshootin g charts
Startin g pro blems or poor en gine performance
1. FuelThere is enough fuel.
There is no fuel.
Check the battery.
Supply fuel.
The engine turns over
quickly.
The engine turns over
slowly.
The engine does not
start.
Check the battery.
Wipe off with a dry
cloth and correct the
spark plug gaps, or
replace the spark
plugs.
Check the battery
lead connections, and
have a Yamaha dealer
charge the battery if
necessary.
2. BatteryThe battery is good.
The engine does not
start.
Check the ignition.
3. IgnitionWetOperate the electric
starter.
Dry
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.Have a Yamaha
dealer check the
vehicle.
Remove the spark
plugs and check
the electrodes.
Operate the electric
starter.
Operate the electric
starter.
Check the fuel level
in the fuel tank.
4. Compression
UBS1E0E0.book Page 44 Thursday, October 8, 2015 3:40 PM
Periodic maintenance an d a djustment
6-45
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 b e blown out un der pressure, which
coul d cause serious injury. Be sure to wait until the eng ine has cooled.
Place a thick ra g, like a towel, over the ra diator cap, an d then slowly ro-
tate the cap counterclockwise to the detent to allow any resi dual pres-
sure to escape. When the hissin g soun d has stopped , press down on the
cap while turnin g it counterclockwise, an d then remove the cap.
TIP
If coolant is not available, tap water can be temporarily used instead, provided
that it is changed to the recommended coolant as soon as possible.
Wait until the engine
has cooled.
Check the coolant
level in the reservoir
and radiator.Add coolant.
(See TIP.)
The coolant level is
OK.
There is no leakage.
There is leakage.
The coolant level is
low.
Check the cooling
system for leakage.
Have a Yamaha
dealer check and
repair the cooling
system.
Start the engine. If the engine overheats again,
have a Yamaha dealer check and repair the cooling
system.
UBS1E0E0.book Page 45 Thursday, October 8, 2015 3:40 PM
10-1
10
Index
A
ABS (for ABS models) .......................... 3-14
ABS warning light (for ABS models)....... 3-5
Air filter element, replacing................... 6-17
Auxiliary light bulb ................................ 6-38
B
Battery .................................................. 6-34
Brake and clutch levers, checking
and lubricating ................................... 6-31
Brake and shift pedals, checking and lubricating ................................... 6-31
Brake fluid, changing ........................... 6-27
Brake fluid level, checking ................... 6-26
Brake lever ........................................... 3-13
Brake lever free play, checking ............ 6-24
Brake light switches ............................. 6-25
Brake pedal .......................................... 3-13
Brake/tail light bulb, replacing ............. 6-39
C
Cables, checking and lubricating ......... 6-30
Care ........................................................ 7-1
Catalytic converter ............................... 3-17
Centerstand and sidestand, checking and lubricating ................................... 6-32
Clutch lever .......................................... 3-12
Clutch lever free play, adjusting ........... 6-23
Coolant ................................................. 6-14
Coolant temperature warning light ......... 3-4
Cowlings and panels, removing and installing ............................................... 6-7
D
Dimmer switch ..................................... 3-10
Drive chain, cleaning and lubricating ... 6-29
Drive chain slack .................................. 6-28
E
Engine break-in ...................................... 5-4
Engine idling speed .............................. 6-19
Engine oil and oil filter cartridge ........... 6-11
Engine serial number.............................. 9-1
Engine stop switch ............................... 3-11
Engine trouble warning light................... 3-5
F
Front and rear brake pads, checking ... 6-25
Front fork, checking ............................. 6-33
Fuel....................................................... 3-15
Fuel consumption, tips for reducing ...... 5-4
Fuel tank breather hose and overflow hose ................................................... 3-17
Fuel tank cap........................................ 3-15
Fuses, replacing ................................... 6-36
H
Handlebar position, adjusting ............... 3-20
Handlebar switches .............................. 3-10
Hazard switch ....................................... 3-11
Headlight bulb, replacing ...................... 6-37
Helmet holder ....................................... 3-19
High beam indicator light........................ 3-4
Horn switch........................................... 3-11
I
Identification numbers ............................ 9-1
Ignition circuit cut-off system ............... 3-23
Immobilizer system ................................. 3-1
Immobilizer system indicator light .......... 3-6
Indicator lights and warning lights .......... 3-4
L
License plate light bulb, replacing ........ 6-40
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
N
Neutral indicator light.............................. 3-4
O
Oil level warning light .............................. 3-4
P
Parking .................................................... 5-5
Part locations .......................................... 2-1
Pass switch........................................... 3-10
R
Rear view mirrors .................................. 3-21
S
Safety information................................... 1-1
Seat....................................................... 3-18
Shifting .................................................... 5-3
Shift pedal............................................. 3-12
Shock absorber assembly, adjusting ... 3-21
Sidestand .............................................. 3-22
Spark plugs, checking .......................... 6-10
Specifications ......................................... 8-1
Starting the engine.................................. 5-2
Start switch ........................................... 3-11
Steering, checking ................................ 6-33
Storage ................................................... 7-4
Storage compartment ........................... 3-20
Swingarm pivots, lubricating ................ 6-32
UBS1E0E0.book Page 1 Thursday, October 8, 2015 3:40 PM
