Page 9 of 140

Operating the drive select lever and
driving in reverse ...................................... 6-3
Shifting ....................................................... 6-4
Engine break-in .......................................... 6-6
Parking ....................................................... 6-7
Parking on a slope ..................................... 6-7
Accessories and loading ............................ 6-8
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 ................................... 7-14
RIDING DOWNHILL.................................. 7-16
CROSSING A SLOPE............................... 7-17
CROSSING THROUGH SHALLOW
WATER ................................................... 7-18
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 ....................... 8-1Periodic 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
Final gear oil .............................................8-17
Cleaning the air filter element ...................8-20
Cleaning the spark arrester ......................8-23
Adjusting the carburetor ............................8-25
Adjusting the engine idling speed .............8-25
Adjusting the throttle cable free play .........8-26
Valve clearance ........................................8-27
Adjusting the drive select lever safety
system cable ...........................................8-27
Brakes .......................................................8-27
Checking the front brake pads and rear
brake shoes ............................................8-27
Checking the brake fluid level ...................8-29
Changing the brake fluid ...........................8-29
Checking the front brake lever free play ...8-30
Adjusting the brake pedal position, free
play and the rear brake lever free play ...8-30
Brake light switches ..................................8-33
Adjusting the clutch free play ....................8-34
Checking and lubricating the cables .........8-35
U1P065E0.book Page 2 Monday, August 31, 2009 1:10 PM
Page 10 of 140

Checking and lubricating the front and
rear brake levers .................................... 8-35
Checking the shift pedal ........................... 8-36
Checking and lubricating the brake
pedal ...................................................... 8-36
Checking the wheel hub bearings ............ 8-37
Lubricating the swingarm pivots ............... 8-37
Lubricating the steering shaft ................... 8-37
Battery ...................................................... 8-38
Replacing the fuse ................................... 8-42
Replacing a headlight bulb ....................... 8-42
Adjusting a headlight beam ...................... 8-44
Replacing the tail/brake light bulb ............ 8-45
Removing a wheel .................................... 8-45
Installing a wheel ...................................... 8-46
Troubleshooting ....................................... 8-47
Troubleshooting chart .............................. 8-48
CLEANING AND STORAGE .......................... 9-1
Cleaning ..................................................... 9-1
Storage ....................................................... 9-2
SPECIFICATIONS ...................................... 10-1
CONSUMER INFORMATION ...................... 11-1
Identification numbers .............................. 11-1
U1P065E0.book Page 3 Monday, August 31, 2009 1:10 PM
Page 11 of 140
1-1
1
EBU29680
LOCATION OF THE WARNING AND SPECIFICATION LABELS
EBU27153Read 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 EuropeU1P065E0.book Page 1 Monday, August 31, 2009 1:10 PM
Page 12 of 140
1-2
1
1P0-F817R-00< 30 kg
( 66 lbs)
1P0-F817R-10< 45 kg
( 99 lbs)
20.0 kPa
0.20 kgf/cm²
2.9 psi25.0 kPa
0.25 kgf/cm²
3.6 psi
4XE-F816M-M0
1P0-F816P-20
< 3230 N< 330 kgf< 727 lbf
< 147 N
< 15 kgf
< 33 lbf
1P0-F817S-00
13
4
5 2U1P065E0.book Page 2 Monday, August 31, 2009 1:10 PM
Page 13 of 140
1-3
1
1P0-F816L-20
YEAR OF CONSTRUCTION : 2009
MODEL : YFM250
MAX.POWER : 12.2 kWMASS IN RUNNING ORDER : 216 kg
YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPAN
1P0-F155A-20
1P0-F816R-00
67
8
9
U1P065E0.book Page 3 Monday, August 31, 2009 1:10 PM
Page 14 of 140

1-4
1Familiarize 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.
U1P065E0.book Page 4 Monday, August 31, 2009 1:10 PM
Page 15 of 140

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 explosion. Do not
incinerate, puncture or open.
Use unleaded gasoline only.
Measure tire pressure when tires are cold.Adjust 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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Page 16 of 140
1-6
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.
U1P065E0.book Page 6 Monday, August 31, 2009 1:10 PM