2018 YAMAHA TMAX spark plugs

Table of contents
Safety information............................1-1
Further safe-riding points.................1-5
Description ........................................2-1
Left view ..........................................2-1
Right view ........................................2-2
Controls and instrume nts.................2-3
Smart key system ............................3-1
Smart key system ....... .....................3-1
Operating range of the smart key system ....... ............................ .......3-2
Handling of the smart key and
mechanical key ............................3-3
Smart key ........................................3-5
Replacing the smart key battery ......3-6
Powering on the vehi cle ..................3-8
Powering off the vehi cle ..................3-9
How to lock the steering ................3-10
How to lock the centerstand ..........3-10
Storage compartment and fuel
tank access ................................3-11
Parking mode ................................3-13
Special features ................................4-1
Cruise control system (XP530D-A) ..................................4-1
D-mode (drive mode) (XP530-A, XP530D-A) ...................................4-3
Traction control system ...................4-4
Instrument and co ntrol functions....5-1
Handlebar switches .........................5-1
Indicator lights and warning lights ...5-2
Speedometer ...................................5-4
Tachometer .....................................5-5
Multi-function display .......................5-5
Front brake lever ...........................5-17
Rear brake lever ............................5-18
Rear brake lock lever.....................5-18
Anti-lock brake system (ABS) ........5-19
Fuel tank cap .................................5-20
Fuel................................................5-21
Fuel tank overflow hose.................5-22
Catalytic converter .........................5-23
Storage compartments ..................5-23 Windshield (XP530E-A,
XP530-A) ................................... 5-25
Rear view mirrors .......................... 5-26
Shock absorber assembly ............. 5-27
Auxiliary DC jack ........................... 5-28
Sidestand ...................................... 5-29
Ignition circuit cut- off system ......... 5-30
For your safety – pre-operation
checks ............................................... 6-1
Operation and important riding
points ................................................. 7-1
Starting the engine .......................... 7-2
Starting off ....................................... 7-3
Acceleration and deceleration ......... 7-3
Braking ............................................ 7-4
Tips for reducing fuel consumption ................................ 7-5
Engine break-in ............................... 7-5
Parking ............................................ 7-6
Periodic maintenance and
adjustment ........................................ 8-1
Owner’s tool kit................................ 8-2
Periodic maintenance chart for the emission control syst em .............. 8-3
General maintenance and lubrication chart ........................... 8-4
Removing and installing panels ...... 8-7
Checking the spark plugs ................ 8-9
Canister ......................................... 8-10
Engine oil and oil filter cartridge .... 8-10
Coolant .......................................... 8-13
Engine air filter element ................ 8-14
Checking the engine idling
speed ......................................... 8-15
Checking the throttle grip free play ............................................ 8-16
Valve clearance............................. 8-16
Tires .............................................. 8-17
Cast wheels................................... 8-19
Checking the front and rear brake lever free play ............................ 8-19
Adjusting the rear brake lock
cable .......................................... 8-20
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Periodic maintenance and adjustment
8-3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
EAU71031
TIP
The annual checks must be performed every year, except if a distance-
based maintenance is performed instead.
From 50000 km (30000 mi), repeat the maintenance intervals starting from
10000 km (6000 mi).
Items marked with an asterisk should be performed by a Yamaha dealer as
they require special tools, data and technical skills.
EAU71071
Periodic maintenance chart for the emission control system
NO. ITEM
1 * Fuel line Check fuel hoses for cracks or
damage.
Replace if necessary. 
2 * Spark plugs Check condition.
Adjust gap and clean.

Replace. 
3 * Valve clearance Check and adjust. Every 40000 km (24000 mi)
4 * Fuel injection Check engine idle speed.

Check and adjust synchronization. 
5 * Exhaust system Check for leakage.
Tighten if necessary.
Replace gaskets if necessary. 
6* Evaporative
emission control
system Check control system for
damage.
Replace if necessary. X 1000 km
CHECK OR
MAINTENANCE JOB
X 1000 mi
ODOMETER READINGS
ANNUAL CHECK
110203040
0.66121824
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Periodic maintenance and adjustment
8-9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
EAU19643
Checking the spark plugs
The 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.
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.
TIP
If 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.
Specified spark plug:
NGK/CR7E
1. Spark plug gap
Spark plug gap:0.7–0.8 mm (0.028–0.031 in)
Tightening torque: Spark plug:
13 N·m (1.3 kgf·m, 9.6 lb·ft)
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Periodic maintenance and adjustment
8-34
1
2
3
4
5
6
7
8
9
10
11
12
13
14
EAU63470
Troubleshooting charts
Starting problems or poor engine 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
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Scooter care and storage
9-4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
EAU36554
Storage
Short-term
Always store your scooter in a cool, dry
place and, if necessary, protect it
against dust with a porous cover. Be
sure the engine and the exhaust sys-
tem are cool before covering the scoot-
er.
NOTICE
ECA10821
Storing the scooter in a poorly
ventilated room or covering it
with a tarp, while it is still wet,
will allow water and humidity to
seep in and cause rust.
To prevent corrosion, avoid
damp cellars, stables (because
of the presence of ammonia)
and areas where strong chemi-
cals are stored.
Long-term
Before storing your scooter for several
months: 1. Follow all the instructions in the “Care” section of this chapter.
2. Fill up the fuel tank and add fuel stabilizer (if available) to prevent
the fuel tank from rusting and the
fuel from deteriorating.
3. Perform the following steps to pro- tect the cylinders, piston rings, etc.
from corrosion.
a. Remove the spark plug caps and the spark plugs.
b. Pour a teaspoonful of engine oil into the spark plug bores.
c. Install the spark plug caps onto the spark plugs, and then place
the spark plugs on the cylinder head so that the electrodes are
grounded. (This will limit spark-
ing during the next step.)
d. Turn the engine over several
times with the starter. (This will
coat the cylinder walls with oil.)
e. Remove the spark plug caps from the spark plugs, and then
install the spark plugs and the
spark plug caps. WARNING!
To prevent damage or injury
from sparking, make sure to
ground the spark plug elec-
trodes while turning the en-
gine over.
[EWA10952]
4. Lubricate all control cables and the pivoting points of all levers and
pedals as well as of the sides-
tand/centerstand.
5. Check and, if necessary, correct the tire air pressure, and then lift
the scooter so that both of its
wheels are off the ground. Alterna-
tively, turn the wheels a little every
month in order to prevent the tires
from becoming degraded in one
spot.
6. Cover the muffler outlet with a plastic bag to prevent moisture
from entering it.
7. Remove the battery and fully charge it. Store it in a cool, dry
place and charge it once a month.
Do not store the battery in an ex-
cessively cold or warm place [less
than 0  C (30 F) or more than 30
 C (90 F)]. For more information
on storing the battery, see page
8-27.
TIP
Make any necessary repairs before
storing the scooter.
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Index
12-2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Smart key system, troubleshooting ....... 8-33
Spark plugs, checking ............................. 8-9
Special features ...................................... 4-1
Specifications ........................................ 10-1
Speedometer .......................................... 5-4
Starting off............................................... 7-3
Starting the engine .................................. 7-2
Steering, checking ................................ 8-26
Storage ................................................... 9-4
Storage compartment and fuel tank access ................................................ 3-11
Storage compartments.......................... 5-23
T
Tachometer ............................................. 5-5
Throttle grip and cable, checking and lubricating ........................................... 8-24
Throttle grip free play, checking ............ 8-16
Tires ...................................................... 8-17
Tool kit .................................................... 8-2
Traction control system ........................... 4-4
Traction control system indicator light..... 5-3
Troubleshooting .................................... 8-33
Troubleshooting charts ......................... 8-34
Turn signal indicator lights ...................... 5-2
Turn signal light bulb (front), replacing ............................................. 8-31
Turn signal switch ................................... 5-1
V
Valve clearance .................................... 8-16
Vehicle identification number ................ 11-1
Vehicle lights ......................................... 8-31
W
Wheel bearings, checking ..................... 8-26
Wheels .................................................. 8-19
Windshield (XP530E-A, XP530-A) ........ 5-25
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