2016 YAMAHA XMAX 125 engine

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 instruments ................2-3
Instrument and control functions....3-1
Immobilizer system .........................3-1
Main switch/steering lock ...............3-2
Indicator lights and warning
lights ............................................3-4
Multi-function meter unit .................3-6
Handlebar switches.......................3-14
Front brake lever ...........................3-15
Rear brake lever ............................3-16
ABS (for ABS models) ...................3-16
Fuel tank cap.................................3-17
Fuel................................................3-18
Catalytic converters .....................3-19
Seat ...............................................3-20
Storage compartments .................3-21
Adjusting the shock absorber
assemblies .................................3-22
Sidestand ......................................3-23
Ignition circuit cut-off system........3-24
For your safety – pre-operation
checks...............................................4-1
Operation and important riding
points.................................................5-1
Starting the engine ..........................5-2
Starting off.......................................5-3
Acceleration and deceleration.........5-3
Braking ............................................5-4
Tips for reducing fuel
consumption ................................5-5
Engine break-in ...............................5-5
Parking ............................................5-6
Periodic maintenance and
adjustment........................................6-1
Owner’s tool kit ...............................6-2Periodic maintenance chart for the
emission control system.............. 6-3
General maintenance and
lubrication chart........................... 6-4
Removing and installing panels ...... 6-7
Checking the spark plug ................. 6-9
Engine oil ...................................... 6-10
Final transmission oil .................... 6-13
Coolant ......................................... 6-14
Air filter and V-belt case air filter
elements and check hoses........ 6-15
Checking the throttle grip free
play ............................................ 6-17
Valve clearance ............................. 6-17
Tires .............................................. 6-18
Cast wheels .................................. 6-20
Checking the front and rear brake
lever free play ............................ 6-20
Checking the front and rear brake
pads........................................... 6-21
Checking the brake fluid level....... 6-22
Changing the brake fluid............... 6-23
Checking and lubricating the
cables ........................................ 6-24
Checking and lubricating the
throttle grip and cable ............... 6-24
Lubricating the front and rear
brake levers ............................... 6-25
Checking and lubricating the
centerstand and sidestand ........ 6-25
Checking the front fork ................. 6-26
Checking the steering ................... 6-26
Checking the wheel bearings ....... 6-27
Battery .......................................... 6-27
Replacing the fuses ...................... 6-29
Replacing a headlight bulb ........... 6-31
Auxiliary lights ............................... 6-31
Tail/brake light .............................. 6-32
Front turn signal light .................... 6-32
Replacing a rear turn signal light
bulb............................................ 6-33
Replacing the license plate light
bulb............................................ 6-34
Troubleshooting ............................ 6-34
Troubleshooting charts ................. 6-35
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Safety information
1-2
1• Know your skills and limits.
Staying within your limits may
help you to avoid an accident.
• We recommend that you prac-
tice riding your scooter where
there is no traffic until you have
become thoroughly familiar with
the scooter and all of its con-
trols.
Many accidents have been
caused by error of the scooter op-
erator. A typical error made by the
operator is veering wide on a turn
due to excessive speed or under-
cornering (insufficient lean angle
for the speed).
• Always obey the speed limit and
never travel faster than warrant-
ed by road and traffic condi-
tions.
• Always signal before turning or
changing lanes. Make sure that
other motorists can see you.
The posture of the operator and
passenger is important for proper
control.
• The operator should keep both
hands on the handlebar and
both feet on the operator foot-
rests during operation to main-
tain control of the scooter.
• The passenger should always
hold onto the operator, the seat
strap or grab bar, if equipped,
with both hands and keep both
feet on the passenger footrests.
Never carry a passenger unless
he or she can firmly place both
feet on the passenger footrests.
Never ride under the influence of
alcohol or other drugs.This scooter is designed for on-
road use only. It is not suitable for
off-road use.
Protective Apparel
The majority of fatalities from scooter
accidents are the result of head inju-
ries. The use of a safety helmet is the
single most critical factor in the pre-
vention or reduction of head injuries.
Always wear an approved helmet.
Wear a face shield or goggles.
Wind in your unprotected eyes
could contribute to an impairment
of vision that could delay seeing a
hazard.
The use of a jacket, substantial
shoes, trousers, gloves, etc., is ef-
fective in preventing or reducing
abrasions or lacerations.
Never wear loose-fitting clothes,
otherwise they could catch on the
control levers or wheels and cause
injury or an accident.
Always wear protective clothing
that covers your legs, ankles, and
feet. The engine or exhaust sys-
tem become very hot during or af-
ter operation and can cause
burns.
A passenger should also observe
the above precautions.
Avoid Carbon Monoxide Poisoning
All engine exhaust contains carbon
monoxide, a deadly gas. Breathing
carbon monoxide can cause head-
aches, dizziness, drowsiness, nausea,
confusion, and eventually death.
Carbon Monoxide is a colorless, odor-
less, tasteless gas which may be pres-
ent even if you do not see or smell any
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Safety information
1-3
1 engine exhaust. Deadly levels of car-
bon monoxide can collect rapidly and
you can quickly be overcome and un-
able to save yourself. Also, deadly lev-
els of carbon monoxide can linger for
hours or days in enclosed or poorly
ventilated areas. If you experience any
symptoms of carbon monoxide poi-
soning, leave the area immediately, get
fresh air, and SEEK MEDICAL TREAT-
MENT.
Do not run engine indoors. Even if
you try to ventilate engine exhaust
with fans or open windows and
doors, carbon monoxide can rap-
idly reach dangerous levels.
Do not run engine in poorly venti-
lated or partially enclosed areas
such as barns, garages, or car-
ports.
Do not run engine outdoors where
engine exhaust can be drawn into
a building through openings such
as windows and doors.
Loading
Adding accessories or cargo to your
scooter can adversely affect stability
and handling if the weight distribution
of the scooter is changed. To avoid the
possibility of an accident, use extreme
caution when adding cargo or acces-
sories to your scooter. Use extra care
when riding a scooter that has added
cargo or accessories. Here, along with
the information about accessories be-
low, are some general guidelines to fol-
low if loading cargo to your scooter:The total weight of the operator, pas-
senger, accessories and cargo must
not exceed the maximum load limit.
Operation of an overloaded vehicle
could cause an accident.
When loading within this weight limit,
keep the following in mind:
Cargo and accessory weight
should be kept as low and close to
the scooter as possible. Securely
pack your heaviest items as close
to the center of the vehicle as pos-
sible and make sure to distribute
the weight as evenly as possible
on both sides of the scooter to
minimize imbalance or instability.
Shifting weights can create a sud-
den imbalance. Make sure that
accessories and cargo are se-
curely attached to the scooter be-
fore riding. Check accessory
mounts and cargo restraints fre-
quently.
• Properly adjust the suspension
for your load (suspension-ad-
justable models only), and
check the condition and pres-
sure of your tires.
• Never attach any large or heavy
items to the handlebar, front
fork, or front fender. Such items
can create unstable handling or
a slow steering response.
This vehicle is not designed to
pull a trailer or to be attached to
a sidecar.
Maximum load:
181 kg (399 lb) (YP125RA)
185 kg (408 lb) (YP125R)
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Safety information
1-4
1Genuine Yamaha Accessories
Choosing accessories for your vehicle
is an important decision. Genuine
Yamaha accessories, which are avail-
able only from a Yamaha dealer, have
been designed, tested, and approved
by Yamaha for use on your vehicle.
Many companies with no connection
to Yamaha manufacture parts and ac-
cessories or offer other modifications
for Yamaha vehicles. Yamaha is not in
a position to test the products that
these aftermarket companies produce.
Therefore, Yamaha can neither en-
dorse nor recommend the use of ac-
cessories not sold by Yamaha or
modifications not specifically recom-
mended by Yamaha, even if sold and
installed by a Yamaha dealer.
Aftermarket Parts, Accessories, and
Modifications
While you may find aftermarket prod-
ucts similar in design and quality to
genuine Yamaha accessories, recog-
nize that some aftermarket accesso-
ries or modifications are not suitable
because of potential safety hazards to
you or others. Installing aftermarket
products or having other modifications
performed to your vehicle that change
any of the vehicle’s design or operation
characteristics can put you and others
at greater risk of serious injury or
death. You are responsible for injuries
related to changes in the vehicle.
Keep the following guidelines in mind,
as well as those provided under “Load-
ing” when mounting accessories.
Never install accessories or carry
cargo that would impair the per-
formance of your scooter. Careful-ly inspect the accessory before
using it to make sure that it does
not in any way reduce ground
clearance or cornering clearance,
limit suspension travel, steering
travel or control operation, or ob-
scure lights or reflectors.
• Accessories fitted to the han-
dlebar or the front fork area can
create instability due to improp-
er weight distribution or aerody-
namic changes. If accessories
are added to the handlebar or
front fork area, they must be as
lightweight as possible and
should be kept to a minimum.
• Bulky or large accessories may
seriously affect the stability of
the scooter due to aerodynamic
effects. Wind may attempt to lift
the scooter, or the scooter may
become unstable in cross
winds. These accessories may
also cause instability when
passing or being passed by
large vehicles.
• Certain accessories can dis-
place the operator from his or
her normal riding position. This
improper position limits the
freedom of movement of the
operator and may limit control
ability, therefore, such accesso-
ries are not recommended.
Use caution when adding electri-
cal accessories. If electrical ac-
cessories exceed the capacity of
the scooter’s electrical system, an
electric failure could result, which
could cause a dangerous loss of
lights or engine power.
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Description
2-1
2
EAU63371
Left view
15243
7 6
98 10 11
12
1. Headlight (page 6-31)
2. Battery (page 6-27)
3. Main fuse (page 6-29)
4. Coolant reservoir cap (page 6-14)
5. Coolant level check window (page 6-14)
6. Rear storage compartment (page 3-21)
7. V-belt case air filter element (page 6-15)
8. Shock absorber assembly spring preload adjusting ring (page 3-22)
9. Air filter element (left) (page 6-15)
10.Engine oil filter element (page 6-10)
11.Sidestand (page 3-23)
12.Front brake pads (page 6-21)
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Instrument and control functions
3-2
3Keep the standard keys as well
as keys of other immobilizer
systems away from this vehi-
cle’s code re-registering key.
Keep other immobilizer system
keys away from the main switch
as they may cause signal inter-
ference.
EAU10474
Main switch/steering lock
The main switch/steering lock controls
the ignition and lighting systems, and is
used to lock the steering. The various
positions are described below.
TIP
Be sure to use the standard key (black
bow) for regular use of the vehicle. To
minimize the risk of losing the code re-
registering key (red bow), keep it in a
safe place and only use it for code re-
registering.
EAU34122ON
All electrical circuits are supplied with
power; the meter lighting, taillight, li-
cense plate light and auxiliary lights
come on, and the engine can be start-
ed. The key cannot be removed.
TIP
The headlights come on automatically
when the engine is started and stay on

sidestand is moved down.
EAU10662OFF
All electrical systems are off. The key
can be removed.
ZAUM1004
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Instrument and control functions
3-4
3
EAU49398
Indicator lights and warning
lights
EAU11032Turn signal indicator lights “ ”
and“”
Each indicator light will flash when its
corresponding turn signal lights are
flashing.
EAU11081High beam indicator light “ ”
This indicator light comes on when the
high beam of the headlight is switched
on.
EAU11354Fuel level warning light “ ”
This warning light comes on when the
fuel level drops below approximately
2.5 L (0.66 US gal, 0.55 Imp.gal). When
this occurs, refuel as soon as possible.
The electrical circuit of the warning
light can be checked by turning the key
to “ON”. The warning light should
come on for a few seconds, and then
go off.If the warning light does not come on
initially when the key is turned to “ON”,
or if the warning light remains on, have
a Yamaha dealer check the electrical
circuit.
EAU43024Engine trouble warning light “ ”
This warning light comes on if an elec-
trical circuit monitoring the engine is
not working correctly. If this occurs,
have a Yamaha dealer check the self-
diagnosis system.
The electrical circuit of the warning
light can be checked by turning the key
to “ON”. The warning light should
come on for a few seconds, and then
go off.
If the warning light does not come on
initially when the key is turned to “ON”,
or if the warning light remains on, have
a Yamaha dealer check the electrical
circuit.
TIP
This warning light will come on when

switch is pushed, but this does not in-
dicate a malfunction.
EAUM3381ABS warning light “ ” (for ABS
models)
In normal operation, the ABS warning
light comes on when the key is turned
to “ON”, and goes off after traveling at
a speed of 10 km/h (6 mi/h) or higher.
If the ABS warning light:
does not come on when the key is
turned to “ON”
comes on or flashes while riding
does not go off after traveling at a
speed of 10 km/h (6 mi/h) or high-
er
1. Turn signal indicator lights “ ” and “ ”
2. High beam indicator light “ ”
3. Engine trouble warning light “ ”
4. Fuel level warning light “ ”
5. Immobilizer system indicator light “ ”
6. Anti-lock Brake System (ABS) warning
light “ ” (for ABS models)
ZAUM109823456
98765432111 10
12
0
1000r/minx
km/h
E
FCH
kmOdoOdoSELECTRESET
11
ABS
ABS
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Instrument and control functions
3-5
3 The ABS may not work correctly. If any
of the above occurs, have a Yamaha
dealer check the system as soon as
possible. (See page 3-16 for an expla-
nation of the ABS.)
WARNING
EWA16041
If the ABS warning light does not go
off after traveling at a speed of 10
km/h (6 mi/h) or higher, or if the
warning light comes on or flashes
while riding, the brake system re-
verts to conventional braking. If ei-
ther of the above occurs, or if the
warning light does not come on at
all, use extra caution to avoid possi-
ble wheel lock during emergency
braking. Have a Yamaha dealer
check the brake system and electri-
cal circuits as soon as possible.
TIP
The ABS warning light may come on
while accelerating the engine with the
scooter on its centerstand, but this
does not indicate a malfunction.
EAU26879Immobilizer system indicator
light “ ”
When the key is turned to “OFF” and
30 seconds have passed, the indicator
light will start flashing indicating the im-
mobilizer system is enabled. After 24
hours have passed, the indicator light
will stop flashing, however the immobi-
lizer system is still enabled.
The electrical circuit of the indicator
light can be checked by turning the key
to “ON”. The indicator light should
come on for a few seconds, and then
go off.If the indicator light does not come on
initially when the key is turned to “ON”,
or if the indicator light remains on, have
a Yamaha dealer check the electrical
circuit.
The self-diagnosis device also detects
problems in the immobilizer system
circuits. (See page 3-13 for an explana-
tion of the self-diagnosis device.)
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