Yamaha YFM25RA User manual

YFM25RA/YFM25RSEA
YFM250RA/YFM250RSEA
OWNER’S MANUAL
MANUEL DU PROPRIÉTAIRE
MANUAL DEL PROPIETARIO
1BT-28199-61
READ THIS MANUAL CAREFULLY!
It contains important safety information.
LIRE ATTENTIVEMENT CE MANUEL!
Il comprend d’importantes informations de sécurité.
¡LEA ESTE MANUAL ATENTAMENTE!
Contiene indicaciones importantes acerca de la seguridad.
DIC183

PRINTED IN JAPAN
2010.04-0.8×1 CR
(E,F,S)
PRINTED ON RECYCLED PAPER
IMPRIMÉ SUR PAPIER RECYCLÉ
IMPRESO EN PAPEL RECICLADO
YAMAHA MOTOR CO., LTD.
DIC183

READ THIS MANUAL CAREFULLY!
It contains important safety information.
OWNER’S MANUAL
YFM25RA/YFM25RSEA
YFM250RA/YFM250RSEA
1BT-28199-61-E0
U1BT61E0.book Page 1 Tuesday, April 6, 2010 1:28 PM

EBU29102
Read this manual carefully before operating this vehicle. This manual should stay with this ve-
hicle if it is sold.
ANSI/SVIA 1-2007
General Manager
RV Engineering Division
MC Operations
6 January, 2010
YFM250R (YFM25R) (JY4AG03W0A0006915–)
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
Shinya Shimada
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
U1BT61E0.book Page 1 Tuesday, April 6, 2010 1:28 PM

EBU17170
INTRODUCTION
EBU17322
Congratulations on your purchase of the Yamaha YFM25RA/YFM25RSEA/YFM250RA/YFM250RSEA.
This ATV represents the result of many years of Yamaha experience in the production of fine sporting, tour-
ing, 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 tech-
niques 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.
●This ATV is a high-performance ATV for off-road use only, for sport-type recreational and competitive use
by experienced operators.
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EBU17330
IMPORTANT MANUAL INFORMATION
EBU17342
FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS IN-
JURY OR DEATH.
Particularly important information is distinguished in this manual by the following notations:
* Product and specifications are subject to change without notice.
This is the safety alert symbol. It is used to alert you to potential per-
sonal injury hazards. Obey all safety messages that follow this sym-
bol 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.
WARNING
NOTICE
TIP
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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.
EBU17390
YFM25RA/YFM25RSEA
YFM250RA/YFM250RSEA
OWNER’S MANUAL
©2010 by Yamaha Motor Co., Ltd.
1st edition, March 2010
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan.
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EBU17420
TABLE OF CONTENTS
LOCATION OF THE WARNING AND
SPECIFICATION LABELS ............................ 1-1
SAFETY INFORMATION .............................. 2-1
DESCRIPTION .............................................. 3-1
Left view ...................................................... 3-1
Right view.................................................... 3-1
Controls and instruments ............................ 3-2
INSTRUMENT AND CONTROL
FUNCTIONS .................................................. 4-1
Main switch ................................................ 4-1
Indicator light .............................................. 4-2
Handlebar switches .................................... 4-2
Throttle lever .............................................. 4-3
Speed limiter .............................................. 4-4
Clutch lever ................................................ 4-4
Brake lever (YFM25RA/YFM250RA) .......... 4-5
Brake lever
(YFM25RSEA/YFM250RSEA) ................. 4-5
Brake pedal ................................................ 4-6
Parking brake lever .................................... 4-6
Shift pedal .................................................. 4-7
Fuel tank cap ..............................................4-8
Fuel .............................................................4-8
Fuel cock ..................................................4-10
Starter (choke) ..........................................4-11
Seat ..........................................................4-12
Adjusting the front shock absorber
assemblies (YFM25RA/YFM250RA) .......4-13
Adjusting the front shock absorber
assemblies
(YFM25RSEA/YFM250RSEA).................4-14
Adjusting the rear shock absorber
assembly (YFM25RA/YFM250RA) ..........4-18
Adjusting the rear shock absorber
assembly
(YFM25RSEA/YFM250RSEA).................4-20
PRE-OPERATION CHECKS ..........................5-1
Fuel .............................................................5-3
Engine oil ....................................................5-3
Front and rear brakes .................................5-3
Throttle lever ...............................................5-3
Drive chain ..................................................5-4
Tires ............................................................5-4
Chassis fasteners .......................................5-6
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Instruments, lights and switches ................ 5-6
OPERATION .................................................. 6-1
Starting a cold engine ................................ 6-1
Starting a warm engine .............................. 6-2
Shifting ....................................................... 6-3
Engine break-in .......................................... 6-4
Parking ....................................................... 6-5
Parking on a slope ..................................... 6-6
Accessories and loading ............................ 6-6
RIDING YOUR ATV ...................................... 7-1
GETTING TO KNOW YOUR ATV............... 7-2
RIDE WITH CARE AND GOOD
JUDGMENT .............................................. 7-2
BE CAREFUL WHERE YOU RIDE............. 7-9
TURNING YOUR ATV .............................. 7-12
CLIMBING UPHILL ................................... 7-13
RIDING DOWNHILL.................................. 7-16
CROSSING A SLOPE............................... 7-18
CROSSING THROUGH SHALLOW
WATER ................................................... 7-19
RIDING OVER ROUGH TERRAIN ........... 7-20
SLIDING AND SKIDDING......................... 7-21
WHAT TO DO IF... .................................... 7-22
WHAT TO DO... ........................................ 7-22
PERIODIC MAINTENANCE AND
ADJUSTMENT................................................8-1
Owner’s manual and tool kit .......................8-2
Periodic maintenance chart for the
emission control system ...........................8-3
General maintenance and lubrication
chart ..........................................................8-5
Checking the spark plug .............................8-9
Engine oil and oil filter element .................8-11
Cleaning the air filter element ...................8-14
Cleaning the spark arrester ......................8-18
Adjusting the carburetor ............................8-20
Adjusting the engine idling speed .............8-20
Adjusting the throttle cable free play .........8-21
Valve clearance ........................................8-22
Brakes .......................................................8-22
Checking the front and rear brake pads ...8-22
Checking the brake fluid level ...................8-23
Changing the brake fluid ...........................8-25
Checking the front brake lever free play ...8-25
Checking the brake pedal position ............8-25
Adjusting the parking brake free play .......8-26
Brake light switches ..................................8-27
Adjusting the clutch lever free play ...........8-28
Drive chain slack .......................................8-29
Lubricating the drive chain ........................8-31
Checking and lubricating the cables .........8-31
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Checking and lubricating the brake and
clutch levers ........................................... 8-32
Checking the shift pedal ........................... 8-33
Checking and lubricating the brake
pedal ...................................................... 8-33
Checking the wheel hub bearings ............ 8-33
Lubricating the swingarm pivots ............... 8-34
Lubricating the upper and lower arm
pivots ...................................................... 8-34
Lubricating the steering shaft ................... 8-35
Battery ...................................................... 8-35
Replacing the fuse ................................... 8-38
Replacing a headlight bulb ....................... 8-39
Adjusting a headlight beam ...................... 8-41
Replacing the tail/brake light bulb
(YFM25RA/YFM250RA).......................... 8-41
Tail/brake light
(YFM25RSEA/YFM250RSEA) ................ 8-42
Removing a wheel .................................... 8-42
Installing a wheel ...................................... 8-42
Troubleshooting ....................................... 8-43
Troubleshooting chart .............................. 8-44
CLEANING AND STORAGE.......................... 9-1
Cleaning ..................................................... 9-1
Storage ....................................................... 9-2
SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1
Identification numbers ...............................11-1
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1-1
1
EBU29680
LOCATION OF THE WARNING AND SPECIFICATION LABELS
EBU29991
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 replace-
ment label from your Yamaha dealer.
For Europe
78 5
1
2
6
4
3
6
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1-2
1
4D3-2816L-20
43P-2816P-00
43P-2816R-01
12
3
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1-3
1
4D3-2816M-M0
27.5 kPa
0.275 kgf/cm²
4.0 psi
27.5 kPa
0.275 kgf/cm²
4.0 psi
4D3-2156A-10
YFM250R
14.0 kW 150 kg
4AA-22259-40 4AA-22259-40
8AC-2817L-00
YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPAN
2010
45
6 YFM25RSEA 7 8
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1-4
1
Familiarize yourself with the following pictograms and read the explanatory text, then make sure to check
the pictograms that apply to your model.
Read the Owner’s manual.
ALWAYS use an approved helmet and
protective gear.
NEVER permit children under age 6 to
operate this ATV.
Operation of this ATV by children under the
age of 6 increases the risk of severe injury
or death.
Adult supervision required for children under
age 16.
NEVER permit children under age 10 to
operate this ATV.
Operation of this ATV by children under the
age of 10 increases the risk of severe injury
or death.
Adult supervision required for children under
age 16.
NEVER permit children under age 12 to
operate this ATV.
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.
NEVER operate this ATV if you are under
age 16.
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.
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1-5
1
**.* kPa
*.** kgf/cm²
*.* psi
**.* kPa
*.** kgf/cm²
*.* psi
NEVER use with drugs or alcohol.
NEVER store fuel or flammable liquids.
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.
Adjust the tire pressure.
Improper tire pressure can cause loss of
control.
Loss of control can result in severe injury or
death.
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.
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.
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1-6
1
******
*** kW *** kg
1
23
YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPAN
****
1
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 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
2
3
Model Name
Max. Power
Mass In Running Order
1Year of construction
U1BT61E0.book Page 6 Tuesday, April 6, 2010 1:28 PM

1-7
1
For Oceania
6
1
2
5
4
3
5
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1-8
1
3B4-2151H-00
WARNING
NEVER ride as a
passenger.
Passengers can cause
a loss of control,
resulting in SEVERE
INJURY or DEATH.
WARNING
Improper ATV use can result in SEVERE
INJURY or DEATH.
ALWAYS USE NEVER USE NEVER CARRY NEVER USE
AN APPROVED ON PUBLIC PASSENGERS WITH DRUGS
HELMET AND ROADS OR ALCOHOL
PROTECTIVE
GEAR
NEVER operate :
• without proper training or instruction.
• at speeds too fast for your skills or
the conditions.
• on public roads-a collision can occur
with another vehicle.
• with a passenger-passengers affect balance
and steering and increase risk
of losing control.
ALWAYS :
•use proper riding techniques to avoid
vehicle overturns on hills and rough terrain
and it turns.
• avoid paved surfaces-pavement may
seriously affect handling and control.
LOCATE AND READ OWNER'S MANUAL.
FOLLOW ALL INSTRUCTIONS AND WARNINGS.
5FE-21568-11
12
3
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1-9
1
WARNING
OPERATING TIRE PRESSURE: Set with tires cold
•
Recommended : Front : 27.5 kPa,
Rear
: 27.5 kPa,
•
Minimum
: Front : 24.5 kPa,
Rear
: 24.5 kPa,
•
Never set tire pressure below minimum.
It could cause the tire to dislodge from the rim.
LOADING
• Maximum weight capacity :100 kg, (220 lbs).
Includes weight of operator, cargo and accessories.
Improper tire pressure or overloading can cause
loss of control.
Loss of control can result in severe injury or
death.
4.0 psi
4.0 psi
3.6 psi
3.6 psi
(
()
()
()
)
4D3-2816M-00
4AA-22259-40
4AA-22259-40
4 5 YFM250RSEA
6
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2-1
2
EBU17431
SAFETY INFORMATION
EBU17593
AN ATV IS NOT A TOY AND CAN BE HAZARD-
OUS TO OPERATE.
An ATV handles differently from other vehicles, in-
cluding motorcycles and cars. A collision or roll-
over can occur quickly, even during routine
maneuvers such as turning and riding on hills or
over obstacles, if you fail to take proper precau-
tions.
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.
●Always follow the age recommendation:
–A child under 16 years old should never oper-
ate 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.
●Always avoid operating an ATV on any paved
surfaces, including sidewalks, driveways, park-
ing lots and paved streets.
●Never operate an ATV on any paved street,
paved road or motorway.
●Watch carefully for other vehicles when operat-
ing on unpaved public streets or roads. Make
sure you know your country’s laws and regula-
tions 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.
●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.
●Never attempt wheelies, jumps, or other stunts.
U1BT61E0.book Page 1 Tuesday, April 6, 2010 1:28 PM