2015 YAMAHA TMAX check engine light

PERIODIC MAINTENANCE AND ADJUSTMENT
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To install the panel
Place the panel in the original position,
and then install the screws.
Panel D
To remove the panelRemove the screws, and then pull the
panel outward.
To install the panelPlace the panel in the original position,
and then install the screws.
EAU19643
Checking the spark plugsThe spark plugs are important engine
components, which should be checked
periodically, preferably by a Yamaha
dealer. Since heat and deposits will
cause any spark plug to slowly erode,
they should be removed and checked
in accordance with the periodic mainte-
nance and lubrication chart. In addition,
the condition of the spark plugs can re-
veal the condition of the engine.
The porcelain insulator around the cen-
ter electrode of each spark plug should
be a medium-to-light tan (the ideal color
when the vehicle is ridden normally),
and all spark plugs installed in the en-
gine should have the same color. If any
spark plug shows a distinctly different
color, the engine could be operating im-
properly. Do not attempt to diagnose
such problems yourself. Instead, have
a Yamaha dealer check the vehicle.
If a spark plug shows signs of electrode
erosion and excessive carbon or other
deposits, it should be replaced.
1. Screw
2. Panel D
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2
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Specified spark plug:
NGK/CR7E
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PERIODIC MAINTENANCE AND ADJUSTMENT
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12 Before installing a spark plug, the spark
plug gap should be measured with a
wire thickness gauge and, if necessary,
adjusted to specification.
Clean the surface of the spark plug
gasket and its mating surface, and then
wipe off any grime from the spark plug
threads.
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 speci-
fied torque as soon as possible.
EAU1985D
Engine oil and oil filter
cartridgeThe engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter car-
tridge replaced at the intervals speci-
fied in the periodic maintenance and
lubrication chart.
To check the engine oil level
1. Place the vehicle on the center- stand. A slight tilt to the side can
result in a false reading.
2. Start the engine, warm it up for two minutes, and then turn it off.NOTICE
ECA11291
The engine must be cold before pro-
ceeding with the oil level check, oth-
erwise the check will result in a falsereading.
3. Wait two minutes until the oil set- tles, and then check the oil level
through the check window located
at the bottom-left side of the crank-
case.
1. Spark plug gapSpark plug gap:0.7–0.8 mm (0.028–0.031 in)
Tightening torque: Spark plug:13 Nm (1.3 m·kgf, 9.4 ft·lbf)
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PERIODIC MAINTENANCE AND ADJUSTMENT
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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.
11. Start the engine, and then let it idle for several minutes while checking
it for oil leakage. If oil is leaking, im-
mediately turn the engine off and
check for the cause.
12. Turn the engine off, and then check the oil level and correct it if
necessary.
13. Reset the oil change indicator. (See page 4-6.)
TIPIf the engine oil is changed before the
oil change indicator comes on (i.e. be-
fore the periodic oil change interval has been reached), the indicator must be
reset after the oil change for the next
periodic oil change to be indicated at
the correct time.
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.
EAU52023
To check the coolant level
1. Place the vehicle on the center- stand.TIP
The coolant level must be checked
on a cold engine since the level
varies with engine temperature.

Make sure that the vehicle is posi-
tioned straight up when checking
the coolant level. A slight tilt to theside can result in a false reading.
2. Check the coolant level through the check window.
TIPThe coolant should be between theminimum and maximum level marks.
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PERIODIC MAINTENANCE AND ADJUSTMENT
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EAU61545
Emergency modeWhen the smart key is lost, damaged,
or its battery has discharged, the vehi-
cle can still be turned on and the engine
started. You will need a mechanical key
and the smart key system identification
number. (See page 3-3.) To operate
the vehicle in emergency mode, carry
out the following steps.TIPEmergency mode operation will be
cancelled if the respective steps are not
carried out within the time set for each
operation or if the “OFF/LOCK” switchis pushed. 1. Stop the vehicle in a safe place.
2. Unlock the seat by inserting the mechanical key into the lock inside
the front storage compartment and
turn it clockwise. 3. Open the seat and check that the
trunk light comes on.
4. Push the “ON/ ” switch once.
5. Without completely shutting the seat, raise and lower it three times
within 10 seconds.
TIPUse the rear storage compartment light
as a guide when raising and loweringthe seat.
The smart key system indicator
light on the speedometer will come
on for three seconds to indicate
the transition to emergency mode. 6. After the smart key system indica-
tor light goes off, use the “SEAT
OPEN/ ” switch to enter the
identification number. Refer to the
following procedure on how to in-
put the identification number.
1. Smart key system indicator light “ ”
1. Identification number
1
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11-1
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INDEXAABS (for ABS models) .............................4-13
ABS warning light (for ABS models) ..........4-1
Acceleration and deceleration....................6-3
Air filter element, replacing ......................7-16
Auxiliary DC connector ............................4-25
Auxiliary light ............................................7-32BBattery......................................................7-28
Brake fluid, changing ...............................7-24
Brake fluid level, checking .......................7-23
Brake lever, front......................................4-11
Brake lever, rear ......................................4-11
Brake levers, lubricating...........................7-25
Braking .......................................................6-3CCables, checking and lubricating .............7-25
Care ...........................................................8-1
Catalytic converter ...................................4-16
Centerstand and sidestand, checking and lubricating .......................................7-26
Coolant.....................................................7-14DDimmer switch .........................................4-10
Drive belt slack.........................................7-24EEmergency mode .....................................7-38
Engine break-in ..........................................6-4
Engine idling speed..................................7-16
Engine oil and oil filter cartridge ...............7-11
Engine serial number ...............................10-1
Engine stop switch ...................................4-10
Engine trouble warning light.......................4-1
FFront and rear brak e lever free play,
checking ................................................ 7-20
Front and rear brake pads, checking ....... 7-22
Front fork, checking ................................. 7-27
Fuel.......................................................... 4-15
Fuel consumption, tips for reducing........... 6-4
Fuel tank cap ........................................... 4-14
Fuses, replacing ...................................... 7-29HHandlebar switches ................................... 4-9
Hazard switch .......................................... 4-10
Headlights................................................ 7-31
Helmet holder .......................................... 4-17
High beam indicator light ........................... 4-1
Horn switch .............................................. 4-10
How to lock the steering ............................ 3-9IIdentification numbers ............................. 10-1
Ignition circuit cut-off system ................... 4-23
Indicator lights and warning lights ............. 4-1KKey, handling of smart and mechanical
key........................................................... 3-3LLicense plate light bulb, replacing ........... 7-33MMaintenance and lubrication, periodic ....... 7-4
Maintenance, emission control system...... 7-3
Matte color, caution ................................... 8-1
Model label .............................................. 10-2
Multi-function display ................................. 4-3OON/Start switch........................................ 4-10 Operating range of the smart key
system .................................................... 3-2
PPanels, removing and installing ................ 7-8
Parking ...................................................... 6-5
Parking mode .......................................... 3-10
Part locations ............................................ 2-1
Pass switch ............................................. 4-10
Powering off the vehicle ............................ 3-8RRear brake lock cable, adjusting ............. 7-21
Rear brake lock, checking ....................... 7-22
Rear brake lock lever .............................. 4-12
Rear view mirrors .................................... 4-21
Rider backrest, adjusting......................... 4-17SSafe-riding points ...................................... 1-5
Safety information ..................................... 1-1
Seat opening and closing .......................... 3-9
Shock absorber assembly ....................... 4-22
Sidestand ................................................ 4-22
Smart key .................................................. 3-5
Smart key battery, replacing ..................... 3-6
Smart key system...................................... 3-1
Smart key system indicator light ............... 4-2
Spark plugs, checking ............................. 7-10
Specifications ............................................ 9-1
Speedometer............................................. 4-2
Starting off ................................................. 6-2
Starting the engine .................................... 6-1
Steering, checking................................... 7-27
Storage...................................................... 8-4
Storage compartments ............................ 4-18
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