2018 YAMAHA NIKEN check engine light

Operation and important ri din g points
5-3
5
EAU16811
Tips for re ducin g fuel con-
sumptionFuel consumption depends largely on
your riding style. Consider the follow-
ing tips to reduce fuel consumption:
 Shift up swiftly, and avoid high en-
gine speeds during acceleration.
 Do not rev the engine while shift-
ing down, and avoid high engine
speeds with no load on the en-
gine.
 Turn the engine off instead of let-
ting it idle for an extended length
of time (e.g., in traffic jams, at traf-
fic lights or at railroad crossings).
EAU16842
Engine break-inThere is never a more important period
in the life of your engine than the period
between 0 and 1600 km (1000 mi). For
this reason, you should read the fol-
lowing material carefully.
Since the engine is brand new, do not
put an excessive load on it for the first
1600 km (1000 mi). The various parts in
the engine wear and polish themselves
to the correct operating clearances.
During this period, prolonged full-throt-
tle operation or any condition that
might result in engine overheating
must be avoided.
EAU17094
0–1000 km (0–600 mi)
Avoid prolonged operation above 5600
r/min. NOTICE: After 1000 km (600
mi) of operation, the en gine oil must
b e chan ged an d the oil filter car-
tri dge or element replace d.
[ECA10303]
1000–1600 km (600–1000 mi)
Avoid prolonged operation above 6700
r/min. 1600 km (1000 mi) an
d b eyon d
The vehicle can now be operated nor-
mally.
NOTICE
ECA10311
 Keep the en gine spee d out of
the tachometer red zone.
 If any en gine trou ble shoul d oc-
cur during the en gine break-in
perio d, imme diately have a
Yamaha dealer check the vehi-
cle.
UBD5E0E0.book Page 3 Wednesday, April 25, 2018 2:23 PM

Periodic maintenance an d a djustment
6-10
6
EAU19653
Checkin g the spark plu gsThe spark plugs are important engine
components, which should be
checked periodically, preferably by a
Yamaha dealer. Since heat and depos- its will cause any spark plug to slowly
erode, they should be removed and
checked in accordance with the peri-
odic maintenance and lubrication
chart. In addition, the condition of the
spark plugs can reveal the condition of
the engine.
The porcelain insulator around the
center 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 engine should have the same
color. If any spark plug shows a dis-
tinctly different color, the engine could
be operating improperly. Do not at-
tempt to diagnose such problems
yourself. Instead, have a Yamaha deal-
er check the vehicle.
If a spark plug shows signs of elec-
trode 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.
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
specified torque as soon as possible.NOTICE
ECA10841
Do not use any tools to remove or in-
stall the spark plu
g cap, otherwise
the i gnition coil coupler may get
d amag ed . The spark plu g cap may
b e difficult to remove because the
ru bber seal on the en d of the cap fits
ti g htly. To remove the spark plu g
cap, simply twist it back an d forth
while pullin g it out; to install it, twist
it back an d forth while pushin g it in.
Specifie d spark plu g:
NGK/MR9K91. Spark plug gapSpark plu g g ap:
0.8–0.9 mm (0.031–0.035 in)
Ti ghtenin g torque:
Spark plug: 13 N·m (1.3 kgf·m, 9.6 lb·ft)
UBD5E0E0.book Page 10 Wednesday, April 25, 2018 2:23 PM

10-1
10
Index
AABS....................................................... 3-20
ABS warning light ................................... 3-6
Air filter element.................................... 6-15
Auxiliary DC connector ......................... 3-34
Auxiliary DC jack .................................. 3-33BBattery .................................................. 6-29
Brake and clutch levers, checking and
lubricating........................................... 6-26
Brake and shift pedals, checking and lubricating........................................... 6-26
Brake fluid, changing............................ 6-23
Brake fluid level, checking.................... 6-21
Brake lever............................................ 3-20
Brake lever free play, checking ............ 6-19
Brake light switches ............................. 6-20
Brake pedal .......................................... 3-20CCables, checking and lubricating ......... 6-25
Canister ................................................ 6-11
Care ........................................................ 7-1
Catalytic converter ............................... 3-26
Clutch lever........................................... 3-18
Clutch lever free play, adjusting ........... 6-19
Coolant ................................................. 6-13
Coolant temperature warning light ......... 3-6
Cruise control indicator lights................. 3-5
Cruise control switches .......................... 3-4
Cruise control system............................. 3-8DData recording, vehicle........................... 9-2
Diagnostic connector ............................. 9-2
Dimmer/Pass switch............................... 3-4 D-mode (drive mode) ........................... 3-18
Drive chain, cleaning and lubricating ... 6-24
Drive chain slack .................................. 6-23
Drive mode switch ................................. 3-4
EEngine break-in ...................................... 5-3
Engine idling speed, checking ............. 6-15
Engine oil.............................................. 6-11
Engine serial number ............................. 9-1
Engine trouble warning light .................. 3-6FFront and rear brake pads, checking ... 6-20
Front fork, adjusting ............................. 3-30
Front fork, checking ............................. 6-28
Fuel ...................................................... 3-24
Fuel consumption, tips for reducing ...... 5-3
Fuel tank cap........................................ 3-23
Fuel tank overflow hose ....................... 3-26
Fuses, replacing ................................... 6-31HHandlebar switches ............................... 3-3
Hazard switch ........................................ 3-4
Helmet holding cable ........................... 3-28
High beam indicator light ....................... 3-5
Horn switch ............................................ 3-4IIdentification numbers ........................... 9-1
Ignition circuit cut-off system .............. 3-35
Immobilizer system ................................ 3-1
Immobilizer system indicator light ......... 3-7
Indicator lights and warning lights ......... 3-5MMain switch/steering lock ...................... 3-2
Maintenance and lubrication, periodic... 6-5Maintenance, emission control
system .................................................. 6-3
Matte color, caution................................ 7-1
MENU switch .......................................... 3-4
Model label ............................................. 9-1
Multi-function meter unit ...................... 3-11
NNeutral indicator light ............................. 3-5OOil level warning light .............................. 3-5PPanel, removing and installing ................ 6-9
Parking.................................................... 5-4
Part locations.......................................... 2-1QQuick shift system ................................ 3-19RRear view mirrors .................................. 3-30SSafety information................................... 1-1
Seats ..................................................... 3-27
SELECT switch ....................................... 3-4
Shift indicator light .................................. 3-7
Shifting.................................................... 5-2
Shift pedal............................................. 3-19
Shock absorber assembly, adjusting ... 3-31
Sidestand.............................................. 3-34
Sidestand, checking and lubricating .... 6-27
Spark plugs, checking .......................... 6-10
Specifications ......................................... 8-1
Stability bar ........................................... 6-33
Starting the engine ................................. 5-1
Steering bearings, lubricating ............... 6-29
Steering, checking ................................ 6-28
UBD5E0E0.book Page 1 Wednesday, April 25, 2018 2:23 PM