2021 YAMAHA NMAX 155 replace oil
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Smart key system
3-4
3
Keep the smart key away from
stron g ma gnetic fiel ds an d
ma gnetic o bjects such as key
hol ders, TVs, an d computers.
Keep the smart key away from
electric me dical equipment.
Do not allow oils, polishin g
a g ents, fuel, or any stron g
chemicals to come in contact
with the smart key. The smart
key body may become discol-
ore d or cracked .
TIPThe smart key battery life is ap-
proximately two years, but this
may vary according to operating
conditions.
Replace the smart key battery
when the smart key system indi-
cator light flashes for 20 seconds
when the vehicle is turned on, or
when the smart key indicator light
does not come on when the smart
key button is pushed. (See page
3-6.) After changing the smart key
battery, if the smart key system still does not operate, check the
vehicle battery and then have a
Yamaha dealer check the vehicle.
If the smart key continually re-
ceives radio waves, the smart key
battery will discharge quickly. (For
example, when placed in the vicin-
ity of electrical products such as
televisions, radios, or computers.)
You can register up to six smart
keys for the same vehicle. See a
Yamaha dealer regarding spare
smart keys.
If a smart key is lost, contact a
Yamaha dealer immediately to
prevent the vehicle from being
stolen, etc.
EAU76474
Smart key
WARNING
EWA17952
The smart key shoul d b e carrie d
with you. Do not store it on the
vehicle.
When the smart key is within
operatin g ran ge, exercise due
care because other people not
carryin g the smart key can start
the en gine an d operate the vehi-
cle.1. Smart key indicator light
2. Smart key button
1
2
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Page 40 of 114
Instrument and control functions
6-6
6 2. While pushing the “MENU”
switch, turn the vehicle on.
3. Continue pushing the “MENU” switch. The display unit setting
screen will come on (after 5 sec-
onds), and after that (an additional
10 seconds) all segments other
than the VVA indicator will start
flashing. Now release the “MENU”
switch.
4. Push the “MENU” switch once to change the on or off setting.
5. Push the “MENU” switch for 1 second to confirm the setting.
TIPTurning the VVA indicator off does not
turn off the variable valve actuation
system.
EAUN2800
Multi-function display
The multi-function display is equipped
with the following: an odometer (ODO)
two tripmeters (TRIP 1 and TRIP 2)
a fuel reserve tripmeter (TRIP F)
an oil change tripmeter (OIL TRIP)
an oil change indicator
a V-belt replacement tripmeter (V-
BELT TRIP)
a V-belt replacement indicator
an instantaneous fuel consump-
tion display (F/ECO)
an average fuel consumption dis-
play (AVE F/ECO)
a battery voltage display (BATT)
a traction control system display
(TCS)
Push the “MENU” switch to change
the display in the following order:
ODO and F/ECO TRIP 1 and AVE
F/ECO TRIP 2 and AVE F/ECO
TRIP F BATT TCS OIL TRIP
V-BELT TRIP ODO and F/ECO
TIP The fuel reserve tripmeter appears
only when you are low on fuel.
The oil change tripmeter and V-
belt replacement tripmeter are not
displayed while the vehicle is
moving.
There is an average fuel consump-
tion display for each tripmeter
(TRIP 1 and TRIP 2). When a trip-
meter is reset, the average fuel
consumption display for that trip-
meter will also be reset.
1. Multi-function display
1
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Instrument and control functions
6-8
6
EAUN3060
Oil chan ge tripmeter
This tripmeter shows the distance trav-
eled since the last engine oil change.
The oil change indicator “OIL” will flash
at the initial 1000 km (600 mi), the next
5000 km (3100 mi), and then every
6000 km (3700 mi) thereafter.
To reset the oil change tripmeter and
oil change indicator, select the oil
change tripmeter, and then push the
“MENU” switch until “OIL” and the trip-
meter start flashing. While “OIL” and
the tripmeter are flashing, push the
“MENU” switch until the tripmeter is
reset.
TIPWhen the engine oil has been
changed, the oil change tripmeter and
the oil change indicator must be reset.
Otherwise, the oil change indicator will
not come on at the correct time.
EAUN3070
V- belt replacement tripmeter
This tripmeter shows the distance trav-
eled since the V-belt was last replaced.
The V-belt replacement indicator “V-
BELT” will flash every 18000 km
(11200 mi) to indicate that the V-belt
should be replaced. To reset both the tripmeter and the in-
dicator, select the V-belt replacement
tripmeter, and then push the “MENU”
switch until “V-BELT” and the tripme-
ter start flashing. While “V-BELT” and
the tripmeter are flashing, push the
“MENU” switch until the tripmeter is
reset.
TIPWhen the V-belt is replaced, the trip-
meter and indicator must be reset.
Otherwise, the V-belt replacement in-
dicator will not come on at the correct
time.
EAU86940
Instantaneous fuel consumption
d
isplay
1. Oil change indicator “OIL”
2. Oil change tripmeter
2
1
1.
2. V-belt replacement tripmeter
2 1
1. Instantaneous fuel consumption display
1
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For your safety – pre-operation checks
7-1
7
EAU1559B
Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection
and maintenance procedures and schedules described in the Owner’s Manual.
WARNING
EWA11152
Failure to inspect or maintain the vehicle properly increases the possibility of an acci dent or equipment d amage.
Do not operate the vehicle if you fin d any pro blem. If a pro blem cannot be corrected b y the proce dures provi ded in
this manual, have the vehicle inspecte d b y a Yamaha dealer.Before using this vehicle, check the following points:
ITEM CHECKS PAGE
Fuel • Check fuel level in fuel tank.
• Refuel if necessary.
• Check fuel line for leakage.
• Check fuel tank overflow hose for obstructions, cracks or damage, and check
hose connection. 6-15, 6-17
En gine oil • Check oil level in engine.
• If necessary, add recommended oil to specified level.
• Check vehicle for oil leakage. 9-11
Final transmission oil • Check vehicle for oil leakage. 9-13
Coolant • Check coolant level in reservoir.
• If necessary, add recommended coolant to specified level.
• Check cooling system for leakage. 9-15
Front brake • Check operation.
• If soft or spongy, have Yamaha dealer bleed hydraulic system.
• Check brake pads for wear.
• Replace if necessary.
• Check fluid level in reservoir.
• If necessary, add specified brake fluid to specified level.
• Check hydraulic system for leakage. 9-21, 9-22, 9-23
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Operation and important rid ing points
8-1
8
EAU15952
Read the Owner’s Manual carefully to
become familiar with all controls. If
there is a control or function you do not
understand, ask your Yamaha dealer.
WARNING
EWA10272
Failure to familiarize yourself with
the controls can lead to loss of con-
trol, which coul d cause an acci dent
or injury.
EAU16842
En gine 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.
EAUM2012
0–1000 km (0–600 mi)
Avoid prolonged operation above 1/3
throttle. NOTICE: After 1000 km (600
mi) of operation, be sure to replace
the en gine oil an d final transmission
oil.
[ECA11662]
1000–1600 km (600–1000 mi)
Avoid prolonged operation above 1/2
throttle. 1600 km (1000 mi) an
d b eyon d
The vehicle can now be operated nor-
mally.
NOTICE
ECA10271
If any en gine trou ble shoul d occur
d urin g the en gine break-in perio d,
imme diately have a Yamaha dealer
check the vehicle.
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Periodic maintenance an d a djustment
9-4
9
11 *Tires • Check tread depth and for dam-
age.
• Replace if necessary.
• Check air pressure.
• Correct if necessary.
12 *Wheel bearin gs • Check bearing for looseness or
damage.
13 *Steerin g b earin gs • Check bearing assemblies for
looseness.
• Moderately repack with lithium- soap-based grease.
14 *Chassis fasteners • Make sure that all nuts, bolts and
screws are properly tightened.
15 Front an
d rear
b rake lever pivot
shaft • Lubricate with silicone grease.
16 Si
destan d, center-
stan d • Check operation.
• Lubricate with lithium-soap-
based grease.
17 *Sidestan d switch • Check operation and replace if
necessary.
18 *Front fork • Check operation and for oil leak-
age.
• Replace if necessary.
19 *Shock a
bsor ber as-
sem blies • Check operation and for oil leak-
age.
• Replace if necessary.
NO. ITEM CHECK OR MAINTENANCE JOB
ODOMETER READING
ANNUAL
CHECK
1000 km
(600 mi) 6000 km
(3500 mi) 12000 km
(7000 mi) 18000 km
(10500 mi) 2400
0 km
(14000 mi)
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Periodic maintenance an d a djustment
9-5
9
20 En gine oil • Change (warm engine before
draining).
• Check oil level and vehicle for oil leakage. At the initial interval and when the oil change indicator flashes or
comes on.
21 *Engine oil strainer • Clean.
22 *Final transmission
oil • Check vehicle for oil leakage.
• Change.
23 *Coolin g system • Check coolant level and vehicle
for coolant leakage.
• Change. Every 3 years
24 *V-belt • Replace. When the V-belt replacement indicator flashes or comes on
25 *Front an
d rear
b rake switches • Check operation.
26 *Movin
g parts an d
cab les • Lubricate.
27 *Throttle
grip hous-
in g an d cab le • Check operation and free play.
• Adjust the throttle cable free play
if necessary.
• Lubricate the throttle grip housing and cable.
28 *Li
ghts, si gnals an d
switches • Check operation.
• Adjust headlight beam.
NO. ITEM CHECK OR MAINTENANCE JOB
ODOMETER READING
ANNUAL
CHECK
1000 km
(600 mi) 6000 km
(3500 mi) 12000 km
(7000 mi) 1
8000 km
(10500 mi) 24000 km
(14000 mi)
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Periodic maintenance an d a djustment
9-6
9
EAU72790
TIP Engine air filter and V-belt air filter
• This model’s engine air filter is equipped with a disposable oil-coated paper element, which must not be cleaned with compressed air to avoid damaging it.
• The engine air filter element needs to be replaced and the V-belt air filter element needs to be serviced more fre-
quently when riding in unusually wet or dusty areas.
Hydraulic brake service
• After disassembling the brake master cylinders and calipers, always change the fluid. Regularly check the brake fluid levels and fill the reservoirs as required.
• Every two years replace the internal components of the brake master cylinders and calipers, and change the brake fluid.
• Replace the brake hoses every four years and if cracked or damaged.
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