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EVU00010
1-INTRODUCTION
Congratulations on your purchase of the Yamaha
YXR660FA. It represents the result of many years
of Yamaha experience in the production of fine
sporting, touring, and pace-setting racing vehicles.
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 un-
derstanding of the features and operation of this
vehicle. It also includes basic maintenance and in-
spection procedures. If you have any questions re-
garding the operation or maintenance of your
vehicle, please consult a Yamaha dealer.
WARNING
_ Please read this manual carefully before oper-
ating this vehicle. Do not attempt to operate
this vehicle until you have attained adequate
knowledge of its controls and operating fea-
tures. Regular inspections and careful mainte-
nance, along with good operating techniques,
will help ensure that you safely enjoy the capa-
bilities and reliability of this vehicle. _
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EVU00020
2-IMPORTANT MANUAL
INFORMATION
FAILURE TO FOLLOW THE WARNINGS CON-
TAINED IN THIS MANUAL CAN RESULT IN
SERIOUS INJURY OR DEATH.
Particularly important information is distinguished
in this manual by the following notations:The Safety Alert Symbol means ATTENTION!
BECOME ALERT! YOUR SAFETY IS IN-
VOLVED!
WARNING
Failure to follow WARNING instructions couldresult in severe injury or death
to the vehicle
operator, a bystander or a person inspecting
or repairing the vehicle.
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EVU00050
1-CONTENTS
LOCATION OF THE WARNING AND
SPECIFICATION LABELS ....................... 1-1
SAFETY INFORMATION ......................... 2-1
DESCRIPTION AND VEHICLE
IDENTIFICATION .................................... 3-1
Identification number records ............... 3-7
Key identification number ..................... 3-9
Vehicle identification number ............. 3-11
Model label ......................................... 3-13
CONTROL FUNCTIONS ......................... 4-1
Main switch........................................... 4-1
Indicator and warning lights.................. 4-5
Multi-function meter unit ..................... 4-13
Switches ............................................. 4-19
Accelerator pedal ............................... 4-33
Brake pedal ........................................ 4-35
Parking brake lever ............................ 4-37
Drive select lever ................................ 4-39
Fuel tank cap ...................................... 4-39
Fuel level check window..................... 4-41
Starter (choke) ................................... 4-41
1234
Seats .................................................. 4-43
Seat belts ........................................... 4-45
Glove compartment............................ 4-49
Cargo bed .......................................... 4-51
Front and rear shock absorber
adjustment ....................................... 4-57
Trailer hitch bracket ........................... 4-61
Auxiliary DC jack ................................ 4-63
PRE-OPERATION CHECKS ................... 5-1
Front and rear brakes .......................... 5-7
Fuel .................................................... 5-11
Engine oil ........................................... 5-15
Coolant............................................... 5-17
Final gear oil ...................................... 5-21
Differential gear oil ............................. 5-21
Accelerator pedal ............................... 5-23
Seat belts ........................................... 5-23
Steering.............................................. 5-25
Fittings and fasteners......................... 5-25
Lights ................................................. 5-25
Switches............................................. 5-27
Tires ................................................... 5-29
How to measure tire pressure ............ 5-33
5
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1-1
EVU00060
1-LOCATION OF THE WARNING
AND SPECIFICATION LABELSRead and understand all of the labels on your ve-
hicle. They contain important information for safe
and proper operation of your vehicle.
Never remove any labels from your vehicle. If a la-
bel becomes difficult to read or comes off, a re-
placement label is available from your Yamaha
dealer.
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1-3
1
YAMAHA 5UG-K8483-00
WARNING
The enclosure cannot protect occupants
in all foreseeable accidents, including
rollover.
2
YAMAHA 5UG-F1696-01
WARNING
IMPROPER TIRE PRESSURE OR OVERLOADING CAN CAUSE
LOSS OF CONTROL.LOSS OF CONTROL CAN RESULT IN SEVERE INJURY OR
DEATH.OPERATING TIRE PRESSURE: Set with tires cold.RECOMMENDED: FRONT: 70kPa, {.70kgf/cm}, 10psi
REAR: 98kPa, {.98kgf/cm}, 14psi
MINIMUM: FRONT: 63kPa, {.63kgf/cm}, 9psi
REAR: 91kPa, {.91kgf/cm}, 13psiNever set tire pressure below minimum. Tire may dislodge from rim.Gross Vehicle Weight Rating: 907 kg (2000lb) maximum including weight of operator, passenger, accessories, cargo, and (if applicable) trailer tongue weight.
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1-4
3
WARNING
YAMAHA 5UG-K7764-00
Keep hands, body, other
persons away when closing bed.
Do not operate the vehicle
with bed up.
4YAMAHA 5UG-F4897-00
WARNING
Severe INJURY or DEATH can result
if you ignore the following:
Maximum Load in Cargo Bed:181kg. (400lb). Never carry passengers in cargo bed. Cargo can affect handling and stability.
Read Owner’s Manual before loading or
towing.
When loading with cargo or towing a
trailer: Reduce speed and allow more
room to stop. Avoid hills and rough
terrain.
Be sure cargo is secured - a loose load
could change handling unexpectedly.
Keep weight in the cargo bed centered,
and as low and far forward as possible.
Top-heavy loads increase the risk of
overturn.
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1-5
5
YAMAHA 5UG-F151K-02Improperly loading a trailer
and failure to use extra care
when pulling trailer can cause
an accident or injury. Never
load more than 50kg (110 lbs)
tongue weight on the towing
bracket. Do not tow more than
550kg (1212 lbs) rolling weight
(trailer plus cargo). Operate
in low-range gears only, allow
for increased braking distance,
and use extreme caution when
operating on inclines. Read
carefully the loading information
and trailer hitch sections in the
owner’s manual.
WARNING
6
7
YAMAHA 5UG-F151J-00
MAX 7.3 INCH
(185MM)
5UG-F1558-00
Turning the off road vehicle 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.
WARNING
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1-6
8
9
ALWAYS USE AN
APPROVED HELMET
AND PROTECTIVE GEAR
NEVER USE ON PUBLIC
ROADS OR PAVEMENT
NEVER USE WITH
DRUGS OR ALCOHOL
WARNING
This off-highway utility vehicle will handle andmaneuver differently from an ordinary passenger caror other vehicle. Vehicle capacity: 1 operator and 1 passenger. Passenger must be able to reach and hold the handgrip inside enclosure. This vehicle is recommended only for operators 16 and older with a valid motor vehicle license. Adults must supervise use by minors. Check state laws for minimum age requirements. Gross Vehicle Weight Rating: 2000 lb (907 kg) maximum including operator, passenger, accessories, cargo and trailer tongue weight. Passenger and cargo can affect vehicle handling.
ALWAYS wear a seat belt when riding in the vehicle. keep your hands and feet inside the vehicle at all times-watch for branches, brush, or other hazards that could enter the vehicle. drive straight up and down inclines-driving across the side of an incline increase the risk of overturn.NEVER operate through water deeper than 13” (33cm) or fast flowing water-if you must cross shallow, slow moving water, choose your path carefully to avoid sharp drop-offs, large rocks, or slippery surfaces that could cause the vehicle to overturn.
make sharp, high-speed turns-the vehicle could roll over or go out of control.
Improper use can result in Severe INJURY or DEATH.
LOCATE AND READ THE OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS.
YAMAHA5UG-F1568-01
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