Page 9 of 146

Operating the drive select lever and
driving in reverse ...................................... 6-3
Engine break-in .......................................... 6-4
Parking ....................................................... 6-5
Parking on a slope ..................................... 6-5
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............................... 7-17
CROSSING THROUGH SHALLOW
WATER ................................................... 7-18
RIDING OVER ROUGH TERRAIN ........... 7-21
SLIDING AND SKIDDING ......................... 7-21
WHAT TO DO IF... .................................... 7-22
WHAT TO DO... ........................................ 7-23
PERIODIC MAINTENANCE AND
ADJUSTMENT ............................................... 8-1
Owner’s manual and tool kit ....................... 8-2Periodic maintenance chart for
the emission control system .....................8-3
General maintenance and
lubrication chart ........................................8-5
Removing and installing the panel ..............8-9
Checking the spark plug .............................8-9
Engine oil and oil filter cartridge ................8-12
Final gear oil .............................................8-16
Differential gear oil ....................................8-18
Cleaning the air filter element ...................8-21
Cleaning the spark arrester ......................8-24
V-belt cooling duct check hose .................8-25
V-belt case drain plug ...............................8-26
Adjusting the carburetor ............................8-26
Adjusting the engine idling speed .............8-26
Adjusting the throttle lever free play .........8-27
Valve clearance ........................................8-28
Adjusting the drive select lever safety
system cable ...........................................8-29
Brakes .......................................................8-29
Checking the front brake pads and
rear brake friction plates .........................8-29
Checking the brake fluid level ...................8-30
Changing the brake fluid ...........................8-31
Checking the front brake lever free play ...8-32
U4S264E0.book Page 2 Thursday, August 5, 2010 1:24 PM
Page 10 of 146

Adjusting the brake pedal and
rear brake lever free play and
checking the brake pedal height ............ 8-32
Axle boots ................................................ 8-36
Brake light switches ................................. 8-37
Checking and lubricating the cables ........ 8-37
Checking and lubricating the front and
rear brake levers .................................... 8-38
Checking and lubricating
the brake pedal ...................................... 8-39
Checking the wheel hub bearings ............ 8-39
Lubricating the drive shaft universal
joint ......................................................... 8-40
Checking the stabilizer bushes ................ 8-40
Lubricating the rear knuckle pivots ........... 8-40
Lubricating the steering shaft ................... 8-41
Battery ...................................................... 8-41
Replacing a fuse ...................................... 8-44
Replacing a headlight bulb ....................... 8-45
Adjusting a headlight beam ...................... 8-47
Replacing the tail/brake light bulb ............ 8-47
Removing a wheel .................................... 8-47
Installing a wheel ...................................... 8-48
Troubleshooting ....................................... 8-49
Troubleshooting chart .............................. 8-50CLEANING AND STORAGE ..........................9-1
Cleaning ......................................................9-1
Storage .......................................................9-2
SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1
Identification numbers ...............................11-1
U4S264E0.book Page 3 Thursday, August 5, 2010 1:24 PM
Page 11 of 146
1-1
1
EBU29680
LOCATION OF THE WARNING AND SPECIFICATION LABELS
EBU30290Read 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
9
U4S264E0.book Page 1 Thursday, August 5, 2010 1:24 PM
Page 12 of 146
1-2
1
37S-F817R-10< 80 kg
( 176 lbs)
37S-F817R-00< 40 kg
( 88 lbs)
25.0 kPa
0.25 kgf/cm²
3.6 psi25.0 kPa
0.25 kgf/cm²
3.6 psi
5FU-F816M-M0
1
23
4
1P0-F816P-20
U4S264E0.book Page 2 Thursday, August 5, 2010 1:24 PM
Page 13 of 146
1-3
1
< 4900 N< 500 kgf< 1102 lbf
< 147 N
< 15 kgf
< 33 lbf
4S2-F817S-00
56
1P0-F816R-00
U4S264E0.book Page 3 Thursday, August 5, 2010 1:24 PM
Page 14 of 146
1-4
1
37S-F816S-00
1P0-F816L-20
YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPANYFM350FWAN
15.9 kW
275 kg
2010
4S2-F155A-30
7
8109U4S264E0.book Page 4 Thursday, August 5, 2010 1:24 PM
Page 15 of 146

1-5
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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Page 16 of 146

1-6
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.
U4S264E0.book Page 6 Thursday, August 5, 2010 1:24 PM