2007 YAMAHA WOLVERINE 450 wheel

Adjusting the rear brake lever free play
and checking the brake pedal position ... 8-40
Axle boots ................................................ 8-42
Brake light switches ................................. 8-43
Checking and lubricating the cables ........ 8-43
Checking and lubricating the front and
rear brake levers .................................... 8-44
Checking and lubricating the brake
pedal ...................................................... 8-44
Checking the wheel bearings ................... 8-45
Lubricating the drive shaft universal
joint ......................................................... 8-45
Lubricating the steering shaft ................... 8-45
Battery ...................................................... 8-45
Replacing a fuse ...................................... 8-47
Replacing a headlight bulb ....................... 8-49
Adjusting a headlight beam ...................... 8-51
Replacing the tail/brake light bulb ............ 8-51
Removing a wheel .................................... 8-52
Installing a wheel ...................................... 8-53
Troubleshooting ....................................... 8-54
Troubleshooting charts ............................. 8-55
CLEANING AND STORAGE .......................... 9-1
Cleaning ..................................................... 9-1
Storage ....................................................... 9-2SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1
Identification numbers ...............................11-1
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1
EBU17430
SAFETY INFORMATION
EBU17534AN 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.
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3
EBU17712Controls and instruments
NOTE:The ATV you have purchased may differ slightlyfrom the figures shown in this manual.
1. Rear brake lever
2. Left handlebar switches
3. Starter (choke)
4. Drive select lever
5. Main switch
6. Speedometer unit
7. Fuel tank cap
8. Front brake fluid reservoir
9. On-Command four-wheel-drive switch
10.Front brake lever
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4
EBU17813Indicator lights and warning light EBU17840Reverse indicator light “”
This indicator light comes on when the transmis-
sion is in the reverse position.NOTE:If the indicator light flashes or the speedometer
does not show the speed while riding, have aYamaha dealer check the speed sensor circuit.
EBU17860Neutral indicator light “”
This indicator light comes on when the transmis-
sion is in the neutral position.EBU17920Coolant temperature warning light “”
This warning light comes on when the engine over-
heats. When this occurs during operation, stop the
engine as soon as it is safe to do so and allow it to
cool down for about 10 minutes.CAUTION:ECB00010
The engine may overheat if the ATV is over-
loaded. In this case, reduce the load to spec-
ification.
Start the engine after making sure that the
warning light is out. Continuous use while
the warning light is on may cause damage tothe engine.EBU26591On-Command four-wheel-drive indicator “”
This indicator comes on when the On-Command
four-wheel-drive switch is set to the “4WD” posi-
tion.
1. Coolant temperature warning light “”
2. Neutral indicator light “N”
3. Reverse indicator light “R”
4. Park indicator light “P”
5. On-Command four-wheel-drive indicator “”U3C261E0.book Page 2 Thursday, June 29, 2006 4:15 PM

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4
EBU28220On-Command four-wheel-drive switch
“2WD”/“4WD”
This ATV is equipped with a switch to change from
two-wheel drive to four-wheel drive and vice-versa.
Select the appropriate drive according to the ter-
rain and the conditions.
“2WD” (two-wheel drive): Power is supplied to
the rear wheels.
“4WD” (four-wheel drive): Power is supplied to
the rear and front wheels.
To change from two-wheel drive to four-wheel
drive, stop the ATV and push the switch in to the
“4WD” position. Then, the four-wheel-drive indica-
tor “” comes on in the speedometer unit display.
To change from four-wheel drive to two-wheel
drive, stop the ATV and push the switch in to the
“2WD” position.
WARNING
EWB00161Always stop the ATV before changing from
two-wheel drive to four-wheel drive and vice-
versa. The ATV handles differently in two-
wheel drive than in four-wheel drive in some
circumstances. Changing from two-wheel
drive to four-wheel drive or vice-versa while
moving may cause the ATV to unexpectedly
handle differently. This could distract the oper-
ator and increase the risk of losing control andof causing an accident.1. On-Command four-wheel-drive switch “2WD”/“4WD”
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5
WARNING
EWB00480Always 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 the Owner’sManual. Failure to inspect increases the possibility of an accident or equipment damage.Rear brakeCheck operation. If soft or spongy, have Yamaha dealer bleed hy-
draulic system.
Check lever free play, and adjust if necessary.
Check brake pads for wear, and replace if necessary.
Check brake fluid level in reservoir, and add recommended brake
fluid to specified level if necessary.
Check hydraulic system for leakage. Correct if necessary.5-4, 8-37, 8-38, 8-40
Throttle leverMake sure that operation is smooth. Lubricate cable and lever hous-
ing if necessary.
Check cable free play, and adjust if necessary.5-5, 8-36
Control cablesMake sure that operation is smooth. Lubricate if necessary. 8-43
Wheels and tiresCheck wheel condition, and replace if damaged.
Check tire condition and tread depth. Replace if necessary.
Check air pressure. Correct if necessary.5-5, 5-6, 5-7
Brake pedal Make sure that operation is smooth. Lubricate pedal pivoting point if
necessary.8-44
Brake leversMake sure that operation is smooth. Lubricate lever pivoting points if
necessary.8-44
Axle bootsCheck for cracks or damage, and replace if necessary. 8-42
Chassis fastenersMake sure that all nuts, bolts and screws are properly tightened. 5-7
Instruments, lights and
switchesCheck operation, and correct if necessary. 5-7 ITEM ROUTINE PAGE
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6incline, place the ATV transversely across the
incline, stop the engine, shift the drive select
lever to the park position, and then block the
front and rear wheels with rocks or other ob-
jects.
Do not park the ATV at all on hills that are so
steep you could not walk up them easily.
1. Bring the ATV to a stop by applying the
brakes.
2. Stop the engine.
3. With the brake pedal applied, shift the drive
select lever to the park position.
EBU20910Accessories and loading EBU20920Accessories
Accessories can affect the handling and control of
your ATV. Keep the following in mind when consid-
ering an accessory or operating an ATV which has
accessories.
Choose only accessories designed for your
ATV. Your Yamaha dealer has a variety of gen-
uine Yamaha accessories. Other accessories
may also be available on the market. However,
it is not possible for Yamaha to test all non-
Yamaha accessories, nor control over their qual-
ity or suitability. Choose a genuine Yamaha ac-
cessory, or one that is equivalent in design and
quality.
Accessories should be rigidly and securely
mounted. An accessory which can shift position
or come off while you are riding could affect your
ability to control the ATV.
Do not mount an accessory where it could inter-
fere with your ability to control the ATV. Exam-
ples include (but are not limited to) a heavy or
bulky object attached to the handlebars which
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7-7
7 Loading and accessories
As originally equipped, this ATV is not designed to
carry cargo or tow a trailer. If you choose to add ac-
cessories so that you can carry cargo or tow a trail-
er, you must use common sense and good
judgment.
Use extra caution when riding the ATV with addi-
tional loads, such as accessories or cargo. The
ATV’s handling may be adversely affected. Re-
duce your speed when adding additional loads.
WARNING
EWB01460
Never exceed the stated load capacity for
this ATV.
Cargo should be properly distributed and se-
curely attached.
Reduce speed when carrying cargo or pull-
ing a trailer. Allow greater distance for brak-
ing.

Always follow the instructions in your Own-
er’s Manual for carrying cargo or pulling atrailer.
During operation
Always keep your feet on the footboards during op-
eration, otherwise they may contact the rear
wheels.
WARNING
EWB01470Always keep both hands on the handlebars
and both feet on the footboards of your ATV
during operation. Removing even one hand or MAXIMUM LOADING LIMIT
ATV loading limit (total weight of cargo, rider,
accessories, and tongue):
100.0 kg (220 lb)
Storage compartment:
2.0 kg (4 lb)
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