2009 YAMAHA WOLVERINE 450 battery

Checking the front brake lever free
play ......................................................... 8-42
Adjusting the rear brake lever free play
and checking the brake pedal position ... 8-42
Axle boots ................................................ 8-44
Brake light switches ................................. 8-45
Checking and lubricating the cables ........ 8-45
Checking and lubricating the front and
rear brake levers .................................... 8-46
Checking and lubricating the brake
pedal ...................................................... 8-46
Checking the wheel hub bearings ............ 8-47
Lubricating the steering shaft ................... 8-47
Battery ...................................................... 8-47
Replacing a fuse ...................................... 8-50
Replacing a headlight bulb ....................... 8-51
Adjusting a headlight beam ...................... 8-53
Replacing the tail/brake light bulb ............ 8-54
Removing a wheel .................................... 8-55
Installing a wheel ...................................... 8-55
Troubleshooting ....................................... 8-56
Troubleshooting charts ............................. 8-57
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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3-1
3
EBU17680
DESCRIPTION
EBU17690Left view
EBU17700Right view
1. Front shock absorber assembly spring preload adjusting
ring
2. Fuel cock
3. Air filter case
4. Fuses
5. Storage compartment and tool kit
6. Seat lock lever
7. Rear shock absorber assembly spring preload adjusting
ring
8. Engine oil filler cap
9. Oil filter cartridge
10.Coolant reservoir
11.V-belt cooling duct check hose
1. Spark arrester
2. Tail/brake light
3. Battery
4. Spark plug
5. Rear brake fluid reservoir
6. Radiator cap
7. Front shock absorber assembly spring preload adjusting
ring
8. Rear brake light switch
9. Brake pedal
10.V-belt case drain plug
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4-5
4
EBU18100Start switch“”
Push this switch to crank the engine with the start-
er.NOTICEECB00050See the starting instructions on page 6-1 priorto starting the engine.EBU18151Light switch“//OFF”
Set this switch to“” to turn on the low beams
and the taillight. Set the switch to“” to turn on
the high beams and the taillight. Set the switch to
“OFF” to turn off all the lights.NOTICEECB00040Do not use the headlights with the engine
turned off for an extended period of time, oth-
erwise the battery may discharge to the point
that the starter motor will not operate properly.
If this should happen, remove the battery andrecharge it.
EBU28221On-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
indicator“” 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.
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6-2
6 4. Use the starter (choke) in reference to the fig-
ure:
Position (1):
Cold engine start with ambient temperature
below 5 °C (40 °F).
Position (2):
Cold engine start with ambient temperature
between 0 °C (30 °F) and 30 °C (90 °F).
Position (3):
Cold engine start with ambient temperature
above 25 °C (80 °F).
Ambient temp./starter (choke) position5. Apply the rear brake lever.
6. Completely close the throttle lever and start
the engine by pushing the start switch.
TIPIf the engine fails to start, release the start switch,
then push it again. Pause a few seconds before
the next attempt. Each cranking should be as short
as possible to preserve battery energy. Do not
crank the engine more than 10 seconds on eachattempt.
7. If the engine is started with the starter (choke)
in position (1), the starter (choke) should be
returned to position (2) to warm up the engine.
If the engine is started with the starter (choke)
in position (2), keep the starter (choke) in this
position to warm up the engine.NOTICEECB00160For maximum engine life, always warm the en-
gine up before starting off. Never acceleratehard when the engine is cold!
8. Continue warming up the engine until it idles
smoothly, then return the starter (choke) to
position (3) before riding.
1. Fully open
2. Half open
3. Closed
4. Starter (choke)U3C263E0.book Page 2 Thursday, May 15, 2008 10:44 AM

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8
EBU24962Checking the wheel hub bearings The front and rear wheel hub bearings must be
checked at the intervals specified in the periodic
maintenance and lubrication chart. If there is play
in a wheel hub or if a wheel does not turn smoothly,
have a Yamaha dealer check the wheel hub bear-
ings.EBU25102Lubricating the steering shaft The steering shaft must be lubricated at the inter-
vals specified in the periodic maintenance and lu-
brication chart.
EBU29180Battery This model is equipped with a VRLA (Valve Regu-
lated Lead Acid) battery. There is no need to check
the electrolyte or to add distilled water. However,
the battery lead connections need to be checked
and, if necessary, tightened.NOTICEECB00620Never attempt to remove the battery cell seals,as this would permanently damage the battery.
WARNING
EWB02160Battery electrolyte is poisonous and danger-
ous, as it contains sulfuric acid, which can
cause severe burns. Avoid contact with skin,
eyes or clothing. Always shield your eyes
when working near batteries.
Antidote:
EXTERNAL: Flush with water.
INTERNAL: Drink large quantities of water or
milk. Follow with milk of magnesia, beaten egg
or vegetable oil. Call a physician immediately.Recommended lubricant:
Lithium-soap-based grease
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8-48
8 EYES: Flush with water for 15 minutes and get
prompt medical attention.
Batteries produce explosive gases. Keep
sparks, flame, cigarettes or other sources of ig-
nition away. Ventilate when charging or using
in an enclosed space.
KEEP OUT OF REACH OF CHILDREN.
To remove the battery
1. Remove the seat. (See page 4-12.)
2. Remove the battery holding plate by removing
the bolts.
3. Disconnect the negative battery lead first,
then the positive battery lead by removing
their bolt.
4. Pull the battery out of its compartment.
To charge the battery
Have a Yamaha dealer charge the battery as soon
as possible if it seems to have discharged. Keep in
mind that the battery tends to discharge more
quickly if the ATV is equipped with optional electri-
cal accessories.
1. Bolt
2. Battery holding plate
3. Positive battery lead (red)
4. Negative battery lead (black)
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8To store the battery

If the ATV will not be used for more than one
month, remove the battery, fully charge it, and
then place it in a cool, dry place.
If the battery will be stored for more than two
months, check it at least once a month and fully
charge it if necessary.
To install the batteryTIPBe sure the battery is fully charged.
1. Place the battery in its compartment.
2. Connect the positive battery lead first, then
connect the negative battery lead by installing
their bolt.3. Install the battery holding plate by installing
the bolts.
4. Install the seat. (See page 4-12.)
NOTICEECB00632
Always keep the battery charged. Storing a
discharged battery can cause permanent
battery damage.
To charge a VRLA (Valve Regulated Lead Ac-
id) battery, a special (constant-voltage) bat-
tery charger is required. Using a
conventional battery charger will damage1. Positive battery lead (red)
2. Negative battery lead (black)
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8 the battery. If you do not have access to a
constant-voltage battery charger, have a
Yamaha dealer charge your battery.EBU25324Replacing a fuse
The main fuse and the fuse box are located under
the seat. (See page 4-12.)
If a fuse is blown, replace it as follows.
1. Turn the key to “OFF” and turn off all electrical
circuits.
1. Main fuse
2. Spare main fuse
3. Fuse box
1. Headlight fuse
2. Ignition fuse
3. Auxiliary DC jack fuse (for optional auxiliary DC jack)
4. Four-wheel-drive motor fuse
5. Signaling system fuse
6. Backup fuse (for odometer and tripmeter)
7. Spare fuse
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