Yamaha Nmax 125 Manual

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EAU1722A
PERIODIC MAINTENANCE AND ADJUSTMENT
Steering, checking
Wheel bearings, checking
EAU45511
Checking the steeringWorn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the
periodic maintenance and lubrication
chart.1. Place the vehicle on the centerstand.
WARNING! To  avoid  injury,  se-
curely support the vehicle so
there is no danger of it falling
over.
[EWA10751]
2. Hold the...

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PERIODIC MAINTENANCE AND ADJUSTMENT
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Battery
EAUT2691
Battery
1
1. BatteryThis model is equipped with a VRLA
(Valve Regulated Lead Acid) battery.
There is no need to check the electro-
lyte or to add distilled water. However,
the battery lead connections need to be
checked and, if necessary, tightened.
ECA10620
NOTICENever attempt to remove the battery
cell seals, as this would permanently
damage the battery.
EWA10760
WARNING
8
8 8
8
8 Electrolyte is poisonous and...

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PERIODIC MAINTENANCE AND ADJUSTMENT
6-26
To store the battery1. If the vehicle will not be used for more than one month, remove the
battery, fully charge it, and then
place it in a cool, dry place.
NOTICE:
 When removing the bat-
tery, be sure the key is turned to
“OFF”, then disconnect the
negative lead before disconnect-
ing the positive lead.
[ECA16302]
2. If the battery will be stored for more than two months, check it at least
once a month and fully charge it if...

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1. Spare fuse2. Remove the blown fuse, and theninstall a new fuse of the specified
amperage.  WARNING! Do not use
a fuse of a higher amperage rat-
ing than recommended to avoid
causing extensive damage to the
electrical system and possibly a
fire.
[EWA15131]
Specified fuses: Main fuse:20 A
Ignition fuse:
10 A
Signaling system fuse: 15 A
Headlight fuse: 10 A
Fuel injection system fuse:
10 ATIP
After removing and installing the main...

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PERIODIC MAINTENANCE AND ADJUSTMENT
6-28
Tail/brake light
Turn signal light bulb, replacing
EAU43040
Tail/brake light
1
1. Tail/brake lightIf the tail/brake light does not come on,
have a Yamaha dealer check its electri-
cal circuit or replace the bulb.
EAU24204
Replacing a turn signal light
bulb1. Remove the turn signal light lensby removing the screw.
1
1. Turn signal light Bulb
1
1. Turn signal light Bulb2. Remove the burnt-out bulb by push-ing it in and turning it...

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PERIODIC MAINTENANCE AND ADJUSTMENT
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Troubleshooting
EAU25861
TroubleshootingAlthough Yamaha scooters receive a
thorough inspection before shipment
from the factory, trouble may occur dur-
ing operation. Any problem in the fuel,
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
The following troubleshooting chart rep-
resents a quick and easy procedure for
checking these vital systems yourself.
However, should your scooter...

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PERIODIC MAINTENANCE AND ADJUSTMENT
Troubleshooting chart
6-30
EAUT1981
Troubleshooting chart
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.There is no fuel.
Check the compression.
Supply fuel.
The engine does not start. 
Check the compression.
Operate the electric starter.2. Compression
There is compression.
There is no compression.
Check the ignition. Have a Yamaha dealer
check the vehicle.
Remove the spark plug
and check the electrodes.3. Ignition...

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EAU25991
SCOOTER CARE AND STORAGE
7-1
EAU25991
SCOOTER CARE AND STORAGE
EAU37833
Matte color caution
ECA15192
NOTICESome models are equipped with
matte colored finished parts. Be sure
to consult a Yamaha dealer for ad-
vice on what products to use before
cleaning the vehicle.
Using a brush, harsh chemical prod-
ucts or cleaning compounds when
cleaning these parts will scratch or
damage their surface. Wax also
should not be applied to any matte
colored finished parts.
EAU26094...

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SCOOTER CARE AND STORAGE
7-2
any detergent residue using
plenty of water, as it is harmful
to plastic parts.
●
● ●
●
●
Do not use any harsh chemical
products on plastic parts. Be sure
to avoid using cloths or sponges
which have been in contact with
strong or abrasive cleaning prod-
ucts, solvent or thinner, fuel
(gasoline), rust removers or in-
hibitors, brake fluid, antifreeze or
electrolyte.
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Do not use high-pressure wash-
ers or steam-jet cleaners since
they...

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SCOOTER CARE AND STORAGE
7-3
tection spray on all metal, includ-
ing chrome- and nickel-plated, sur-
faces.
4. Use spray oil as a universal cleaner to remove any remaining dirt.
5. Touch up minor paint damage caused by stones, etc.
6. Wax all painted surfaces.
7. Let the scooter dry completely be- fore storing or covering it.
EWA10942
WARNING
Contaminants on the brakes or tires
can cause loss of control.●
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Make sure that there is no oil or
wax on the brakes or...