Il comprend d’importantes informations de sécurité.
¡LEA ESTE MANUAL ATENTAMENTE!
Contiene indicaciones importantes acerca de la seguridad.
OWNER’S MANUAL
MANUEL DU PROPRIÉTAIRE
MANUAL DEL PROPIETARIO
YFM125GD
1PY-28199-61
PRINTED ON RECYCLED PAPER
IMPRIMÉ SUR PAPIER RECYCLÉ
IMPRESO EN PAPEL RECICLADO
PRINTED IN JAPAN
2012.03-0.3×1 CR
(E,F,S)
READ THIS MANUAL CAREFULLY!
It contains important safety information.
OWNER’S MANUAL
YFM125GD
WARNING
This ATV should not be ridden by anyone under 16 years of age.
1PY-28199-61-E0
EBU30002
EN15997, ANSI/SVIA 1-2010
General Manager
RV Engineering Division
Recreational Vehicle Business Unit
Business Development Operations
YAMAHA MOTOR CO., LTD.
YFM125A (YFM125G) (JY4AE02W0C0015330–)
We, YAMAHA MOTOR CO., LTD. 2500 Shingai, Iwata, Japan,
declare in sole responsibility, that the product
(Make, model)
(If applicable)
and to the other relevant Directives of EEC
2004/108/EC
(Title and/or number and date of issue of the other Directives of EEC)
(If applicable)
YAMAHA MOTOR EUROPE N.V.
Koolhovenlaan 101, 1119 NC Schiphol-Rijk, The Netherlands
Signature
Eiji Kato
Date of Issue
to which this declaration applies, conforms to the essential health
and safety requirements of Directive 2006/42/EC
To effect correct application of the essential health and safety requirements
stated in the Directives of EEC, the following-standards and/or technical
specifications were consulted:
(Title and/or number and date of issue of standards and/or specifications)
Authorized Representative
EC Declaration of Conformity
conforming to Directive 2006/42/EC
Read this manual carefully before operating this vehicle. This manual should stay with this ve-
hicle if it is sold.
EBU17170
INTRODUCTION
EBU17292
Congratulations on your purchase of the Yamaha YFM125GD. This ATV represents the result of many
years of Yamaha experience in the production of fine sporting, touring, and pacesetting racing machines.
With the purchase of this Yamaha, you can now appreciate the high degree of craftsmanship and reliability
that have made Yamaha a leader in these fields.
This manual will provide you with a good basic understanding of the features and operation of this ATV.
This manual includes important safety information. It provides information about special techniques and skills necessary to ride the ATV. It also includes basic maintenance and inspection proce-
dures. If you have any questions regarding the operation or maintenance of your ATV, please consult a
Yamaha dealer.
AN IMPORTANT SAFETY MESSAGE:
● Read this manual completely before operating your ATV. Make sure you understand all instructions.
● Pay close attention to the warning and notice labels on the ATV.
● This ATV should not be ridden by anyone under 16 years of age.
EBU17330
WARNING
NOTICE
TIP
IMPORTANT MANUAL INFORMATION
EBU17342
FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS INJURY OR DEATH.
Particularly important information is distinguished in this manual by the following notations:
This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
A WARNING indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
A NOTICE indicates special precautions that must be taken to avoid
damage to the vehicle or other property.
A TIP provides key information to make procedures easier or clearer.
* Product and specifications are subject to change without notice.
EBU17350
IMPORTANT NOTICE
EBU17372
This ATV is designed and manufactured for use on unpaved surfaces only. It is unsafe to operate this ATV
on any paved surface, paved street, paved road or motorway.
Please check your local riding laws and regulations before operating this ATV.
Read and understand all of the labels on your ATV. These labels contain important information for safe and
proper operation.
Never remove any labels from your ATV. If a label becomes difficult to read or comes off, request a replacement label from your Yamaha dealer.
1
1-1
1
1
2
3
4
1C5-2817R-00
<
5 kg
(
11 Ibs
)
1C5-2817R-10
<
10 kg
(
22 Ibs
)
1C5-2816M-M0
kPa
kgf/cm
2
psi
20.0
0.20
2.9
kPa
kgf/cm
2
psi
25.0
0.25
3.6
1AS-2816P-00
1-2
43P-2816R-01
YFM125A
6.5kW152kg
1C5-2156A-20
8AC-2817L-00
YAMAHA MOTOR CO., LTD.
250 0 SHINGAI, IWATA , JAPAN
2012
1PD-2811R-00
5
6
7
8
1
1-3
Familiarize yourself with the following pictograms and read the explanatory text, then make sure to check
Read the Owner’s manual.
ALWAYS use an approved helmet and
protective gear.
For ATV Type 1 category Y12, use from 12
years old.
Operation of this ATV by children under the
age of 12 increases the risk of severe injury
or death.
Adult supervision required for children under
age 16.
Use from 16 years old.
Operating this ATV if you are under the age
of 16 increases your chance of severe injury
or death.
NEVER use on paved roads.
NEVER carry passengers.
NEVER use with drugs or alcohol.
NEVER store fuel or flammable liquids.
the pictograms that apply to your model.
1
1-4
**.* kPa
*.** kgf/cm²
*.* psi
**.* kPa
*.** kgf/cm²
*.* psi
This pictogram shows trailer Hitch Tow
weight limit. (Combined weight of the trailer
and all cargo in the trailer.)
Overloading can cause loss of control.
Loss of control can result in severe injury or
death.
This unit contains high-pressure nitrogen
gas.
Mishandling can cause an explosion. Do not
incinerate, puncture or open.
Use unleaded gasoline only.
Measure the tire pressure when the tires are
cold.
Turning the ATV in 4WD-LOCK
(“DIFF.LOCK”) takes more effort.
Operate at a slow speed and allow extra
time and distance for maneuvers to avoid
loss of control.
Adjust the tire pressure.
Improper tire pressure can cause loss of
control.
Loss of control can result in severe injury or
death.
This pictogram shows the loading limits
and/or maximum load capacity for this ATV.
Follow all load limits and other loading
guidelines in this manual.
Load may include the driver, passenger,
human protective gear, accessories, goods,
luggage, and all other load related items.
Make sure you do not exceed the load limits.
Overloading can cause loss of control.
Loss of control can result in severe injury or
death.
This pictogram shows trailer Hitch Tongue
weight limit. (Weight on the trailer tongue.)
Overloading can cause loss of control.
Loss of control can result in severe injury or
death.
1-5
1
1
******
*** kW *** kg
1
23
YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPAN
****
1
1
2
3
Model Name
Max. Power
Mass In Running Order
1
Year of construction
1-6
EBU17431
SAFETY INFORMATION
EBU17537
AN ATV IS NOT A TOY AND CAN BE HAZARDOUS TO OPERATE.
An ATV handles differently from other vehicles, including motorcycles and cars. A collision or rollover can occur quickly, even during routine
maneuvers such as turning and riding on hills or
over obstacles, if you fail to take proper precautions.
SEVERE INJURY OR DEATH can result if you do
not follow these instructions:
● Read this manual and all labels carefully and fol-
low the operating procedures described.
● Never operate an ATV without proper training or
instruction. Take a training course. Beginners
should receive training from a certified instructor. Contact an authorized ATV dealer to find out
about the training courses nearest you.
● Always follow the age recommendation:
– A child under 16 years old should never operate an ATV with engine size greater than 90 cc.
● Never allow a child under age 16 to operate an
ATV without adult supervision, and never allow
continued use of an ATV by a child if he or she
does not have the abilities to operate it safely.
● Never carry a passenger on an ATV.
● This vehicle is intended for off-road use only. Do
not operate on any paved surfaces such as:
sidewalks, driveways, parking lots, paved roads,
public streets or other motorway.
● Watch carefully for other vehicles when operat-
ing on unpaved public streets or roads. Make
sure you know your country’s laws and regulations before you ride on unpaved public streets
or roads.
● Never operate an ATV without wearing an ap-
proved motorcycle helmet that fits properly. You
should also wear eye protection (goggles or face
shield), gloves, boots, a long-sleeved shirt or a
jacket, and long pants.
● Never consume alcohol or drugs before or while
operating this ATV.
2-1
2
● Never operate at speeds too fast for your skills
or the riding conditions. Always go at a speed
that is proper for the terrain, visibility, operating
conditions, and your experience.
2
● Never attempt wheelies, jumps, or other stunts.
● Always inspect your ATV each time you use it to
make sure it is in safe operating condition. Always follow the inspection and maintenance
procedures and schedules described in this
manual.
● Always keep both hands on the handlebars and
both feet on the footboards of the ATV during
operation.
● Always go slowly and be extra careful when op-
erating on unfamiliar terrain. Always be alert to
changing terrain conditions when operating the
ATV.
● Never operate on excessively rough, slippery or
loose terrain until you have learned and practiced the skills necessary to control the ATV on
such terrain. Always be especially cautious on
these kinds of terrain.
● Always follow proper procedures for turning as
described in this manual. Practice turning at low
speeds before attempting to turn at faster
speeds and never turn at excessive speeds.
● Never operate the ATV on hills too steep for the
ATV or for your abilities. Practice on smaller hills
before attempting larger hills.
● Always follow proper procedures for climbing
hills as described in this manual. Check the terrain carefully before you start up any hill. Never
climb hills with excessively slippery or loose surfaces. Shift your weight forward. Never open the
throttle suddenly. Never go over the top of a hill
at high speed.
● Always follow proper procedures for going down
hills and for braking on hills as described in this
manual. Check the terrain carefully before you
start down any hill. Shift your weight backward.
Never go down a hill at high speed. Avoid going
down a hill at an angle that would cause the vehicle to lean sharply to one side. Go straight
down the hill where possible.
● Always follow proper procedures for crossing
the side of a hill as described in this manual.
Avoid hills with excessively slippery or loose surfaces. Shift your weight to the uphill side of the
ATV. Never attempt to turn the ATV around on
any hill until you have mastered the turning technique described in this manual on level ground.
Avoid crossing the side of a steep hill if possible.
2-2
● Always use proper procedures if you stall or roll
backwards when climbing a hill. To avoid stalling, maintain a steady speed when climbing a
hill. If you stall or roll backwards, follow the special procedure for braking described in this manual. Dismount on the uphill side or to a side if
pointed straight uphill. Turn the ATV around and
remount, following the procedure described in
this manual.
● Always check for obstacles before operating in a
new area.
● Never attempt to operate over large obstacles,
such as large rocks or fallen trees. Always follow
proper procedures when operating over obstacles as described in this manual.
● Always be careful when skidding or sliding.
Learn to safely control skidding or sliding by
practicing at low speeds and on level, smooth
terrain. On extremely slippery surfaces, such as
ice, go slowly and be very cautious in order to reduce the chance of skidding or sliding out of control.
● Never operate an ATV in fast flowing water or in
water deeper than that recommended in this
manual. Remember that wet brakes may have
reduced stopping ability. Test your brakes after
leaving water. If necessary, apply them several
times to let friction dry out the linings.
● Always be sure there are no obstacles or people
behind you when you operate in reverse. When
it is safe to proceed in reverse, go slowly.
● Always use the size and type of tires specified in
this manual.
● Always maintain proper tire pressure as de-
scribed in this manual.
● Never exceed the stated load capacity for an
ATV. Cargo should be properly distributed and
securely attached. Reduce speed and follow instructions in this manual for carrying cargo. Allow greater distance for braking.
● Do not operate your ATV during darkness un-
less it is equipped with a properly functioning
headlight. Off-road riding is inherently dangerous and additionally, off-road trails do not have
streetlights to guide you.
● Never maintain an ATV without proper knowl-
edge. Contact an authorized ATV dealer to inform you on basic ATV maintenance. Certain
maintenance can only be carried out by certified
staff.
2
2-3
In the event of an accident
1. If serious injuries are incurred, you may be
safer staying next to your vehicle; it may
shield you from oncoming riders. Depending
2
on your injuries and position in the trail; you
must make a judgment call as to whether you
should move to a position off the trail. If you
have sustained head, neck, or back injuries,
or cannot feel your limbs, you should not
move. Keep your helmet on and remain motionless. Lie down next to your vehicle and
wait for help.
2. If less serious injuries are incurred and you
can walk, then move to a position off the trail.
Check yourself for injuries and apply first aid
as needed.
3. If your injuries are light, when safe to do so,
move your vehicle off the trail to avoid collisions with oncoming riders. Check for injuries
and apply first aid as necessary. If you can
physically operate your vehicle, inspect your
vehicle. If the vehicle is in safe operating condition and you can safely operate it, restart it
and ride gently back to camp or other known
location where you can receive medical atten-
tion. If necessary, contact your riding party or
local authorities to let them know where you
are and what has happened.
In the event of a breakdown
1. If your vehicle will not restart or is not in safe
operating condition, turn off the main switch
and engine stop switch. If the breakdown occurs at twilight or night, leave the main switch
on so that your lights may warn other riders of
your stopped vehicle.
2. Get out of danger. Check for oncoming vehicles and when safe, push your vehicle to the
side of the trail or even off the main trail to
avoid any possible collisions with oncoming
riders. If you cannot move your vehicle by
yourself, when safe, walk to the nearest vantage point and signal an oncoming rider to
help you push your vehicle to a safe place off
the trail.
3. Inspect your vehicle for any immediate hazardous conditions. The most obvious hazardous conditions are leaking fuel and
ungrounded or broken wiring. Visually check
for broken wiring and leaking fuel. Leaking
fuel can be confirmed by the odor of gasoline.
2-4
4. Once immediate safety hazards are confirmed not to exist, you may remove your helmet to more closely inspect your vehicle.
Check for external signs of wear, broken
parts, fluid leaks, cracks in the frame, suspension damage, wheel damage, and so on. Fuel,
oil, and coolant usually give off a noticeable
odor.
5. If your vehicle will not restart or if it is unsafe
to ride, then turn off all vehicle systems (engine stop switch, main switch, and fuel cock),
and then signal or go for help.
Aftermarket Parts, Accessories, and Modifications
While you may find aftermarket products similar in
design and quality to genuine Yamaha accessories, recognize that some aftermarket accessories
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
“Loading” when mounting accessories.
● Never install accessories that would impair the
performance of your ATV. Carefully inspect the
accessory before using it to make sure that it
does not in any way reduce ground clearance,
limit suspension travel, steering travel or control
operation.
● Accessories fitted to the ATV can create instabil-
ity due to improper weight distribution.
● Bulky or large accessories may seriously affect
the stability of the ATV.
● Certain accessories can displace 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 accessories are not recommended.
● Use caution when adding electrical accessories.
If electrical accessories exceed the capacity of
the ATV’s electrical system, an electric failure
could result, which could cause a dangerous
loss of lights or engine power.
2
2-5
WARNING
EWB00072
WARNING
Avoid Carbon Monoxide Poisoning
All engine exhaust contains carbon monoxide,
2
a deadly gas. Breathing carbon monoxide can
cause headaches, dizziness, drowsiness, nausea, confusion, and eventually death.
Carbon Monoxide is a colorless, odorless,
tasteless gas which may be present even if you
do not see or smell any engine exhaust. Deadly
levels of carbon monoxide can collect rapidly
and you can quickly be overcome and unable
to save yourself. Also, deadly levels of carbon
monoxide can linger for hours or days in enclosed or poorly ventilated areas. If you experience any symptoms of carbon monoxide
poisoning, leave the area immediately, get
fresh air, and SEEK MEDICAL TREATMENT.
● Do not run engine indoors. Even if you try to
ventilate engine exhaust with fans or open
windows and doors, carbon monoxide can
rapidly reach dangerous levels.
● Do not run engine in poorly ventilated or par-
tially enclosed areas such as barns, garages,
or carports.
● Do not run engine outdoors where engine
exhaust can be drawn into a building
through openings such as windows and
doors.
EWB02591
When transporting the ATV in another vehicle,
be sure it is kept upright and that the fuel cock
is in the “OFF” position. Otherwise, fuel may
leak out of the carburetor or fuel tank.
2-6
EBU17680
12
3
5
6
7
8
4
2
3
5
6
7
1
4
DESCRIPTION
EBU17690
Left view
1. Front carrier
2. Starter (choke)
3. Fuel cock
4. Throttle stop screw
5. Tail/brake light
6. Rear carrier
7. Spark arrester
8. Footboard
EBU17700
Right view
3
1. Owner’s tool kit
2. Battery
3. Drive select lever
4. Spark plug
5. Headlight
6. Engine oil filler cap
7. Fuse
3-1
EBU17712
TIP
1
2
3
4
5
9
8
7
6
Controls and instruments
3
1. Rear brake lever
2. Parking brake lock plate
3. Reverse indicator light
4. Neutral indicator light
5. Front brake lever
6. Throttle lever
7. Main switch
8. Fuel tank cap
9. Handlebar switches
The ATV you have purchased may differ slightly
from the figures shown in this manual.
3-2
EBU17734
OFFON
1
INSTRUMENT AND CONTROL FUNCTIONS
EBU17760
Main switch
The positions of the main switch are as follows:
ON
All electrical systems are supplied with power. The
headlights and taillight come on when the light
switch is on, and the engine can be started. The
key cannot be removed.
OFF
All electrical systems are off. The key can be removed.
4
1. Main switch
4-1
EBU17793
1
2
2
3
4
1
Indicator lights
4
EBU18061
Handlebar switches
1. Reverse indicator light “R”
2. Neutral indicator light “N”
EBU17860
Neutral indicator light “”
This indicator light comes on when the transmission is in the neutral position.
EBU17830
Reverse indicator light “”
This indicator light comes on when the transmission is in the reverse position.
1. Horn switch “”
2. Light switch “//OFF”
3. Engine stop switch “/”
4. Start switch “”
EBU18080
Engine stop switch “/”
Set this switch to “” before starting the engine.
The engine stop switch controls the ignition and
stops the engine when it is running. Use this switch
to stop the engine in an emergency situation. The
engine will not start or run when this switch is set
to “”.
4-2
EBU18101
NOTICE
1
Start switch “”
Push this switch to crank the engine with the starter. See the starting instructions on page 6-1 prior
to starting the engine.
EBU18154
Light switch “//OFF”
Set this switch to “” to turn on the low beams
and the taillight. Set the switch to “” to turn on
the high beams and the taillight. Set the switch to
“OFF” to turn off all the lights.
ECB00043
Do not use the headlights with the engine
turned off for an extended period of time, otherwise the battery may discharge to the point
that the starter motor will not operate properly.
If this should happen, remove the battery and
recharge it. (See page 8-41.)
EBU18282
Throttle lever
Once the engine is running, pushing the throttle lever will increase the engine speed.
Regulate the speed of the ATV by varying the
throttle position. Because the throttle is springloaded, the ATV will decelerate, and the engine will
return to an idle any time the throttle lever is released.
4
EBU18170
Horn switch “”
Press the switch to sound the horn.
1. Throttle lever
Before starting the engine, check the throttle to be
sure it is operating smoothly. Make sure it returns
to the idle position as soon as the lever is released.
4-3
EBU18323
3
1
2
(a)
(b)
Speed limiter
Your ATV is equipped with an adjustable speed
limiter. The speed limiter keeps the throttle from
fully opening, even when the throttle lever is
pushed to the maximum.
1. Loosen the locknut.
2. To increase the maximum engine power avail-
4
able and the maximum speed of the ATV, turn
the adjusting screw in direction (a). To decrease the maximum engine power available
and the maximum speed of the ATV, turn the
adjusting screw in direction (b). Do not turn
the adjusting screw out more than 12 mm
(0.47 in) or the throttle cable could be damaged. Always make sure the throttle lever free
play is adjusted to 1.0–3.0 mm (0.04–0.12 in).
(See page 8-26.) WARNING! Improper ad-
justment of the speed limiter and throttle
could cause throttle cable damage or improper throttle operation. You could lose
control, resulting in an accident.
[EWB00241]
1. Adjusting screw
2. Locknut
3. No more than 12 mm (0.47 in)
3. Tighten the locknut.
EBU18391
Front brake lever
The front brake lever is located on the right handlebar. To apply the front brake, pull the brake lever
toward the handlebar grip.
4-4
4
1
1
1. Front brake lever
EBU18401
Rear brake lever
The rear brake lever is located on the left handlebar. To apply the rear brake, pull the brake lever toward the handlebar grip.
1. Rear brake lever
EBU18461
Parking brake
Use the parking brake before starting the engine or
after parking the ATV, especially on a slope. Apply
the rear brake lever and push down the lock plate
to apply the parking brake. Squeeze the rear brake
lever to release the parking brake.
4-5
4
WARNING
2
1
1
1. Parking brake lock plate
2. Locked position
EWB00220
● Always set the parking brake before starting
the engine. The ATV could start moving unexpectedly if the parking brake is not applied. This could cause loss of control or a
collision.
● Always be sure you have released the park-
ing brake before you begin to ride. The brake
could overheat if you ride the ATV without releasing the parking brake. You could lose
braking performance which could cause an
accident. You could also wear out the brakes
prematurely.
EBU18581
Drive select lever
The drive select lever is used to shift your ATV into
the forward, neutral and reverse positions. See the
“Operating the drive select lever and driving in reverse” section on page 6-3 for the drive select lever
operation.
1. Drive select lever
4-6
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