wheel YAMAHA WOLVERINE 450 2007 Owner's Manual

8-48
8
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.
CAUTION:ECB00640To prevent accidental short-circuiting, turn off
the main switch when checking or replacing afuse.
2. Remove the blown fuse, and then install a
new fuse of the specified amperage.
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
Specified fuses:
Main fuse:
30.0 A
Headlight fuse:
15.0 A
Ignition fuse:
10.0 A
Four-wheel-drive motor fuse:
3.0 A
Signaling system fuse:
10.0 A
Auxiliary DC jack fuse:
10.0 A
Backup fuse:
10.0 A
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8-52
82. Remove the defective bulb by pushing it in
and turning it counterclockwise.3. Insert a new bulb into the socket, push it in,
and then turn it clockwise until it stops.
4. Install the lens by installing the screws.
CAUTION:ECB00700Do not overtighten the screws, otherwise thelens may break.EBU25650Removing a wheel 1. Loosen the wheel nuts.
2. Elevate the ATV and place a suitable stand
under the frame.
3. Remove the nuts from the wheel.
1. Screw
1. Tail/brake light bulb
1. Wheel nut
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8-53
8 4. Remove the wheel.
EBU25700Installing a wheel 1. Install the wheel and the nuts.NOTE:
The arrow mark on the tire must point toward
the rotating direction of the wheel.
Tapered nuts are used for both the front and rear
wheels. Install the nuts with their tapered side to-wards the wheel.
2. Lower the ATV to the ground.
3. Tighten the wheel nuts to the specified
torques.1. Arrow mark
1. Tapered nutTightening torques:
Front wheel nut:
55 Nm (5.5 m·kgf, 40 ft·lbf)
Rear wheel nut:
55 Nm (5.5 m·kgf, 40 ft·lbf)
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9-1
9
EBU25860
CLEANING AND STORAGE
EBU25880Cleaning Frequent, thorough cleaning of your ATV will not
only enhance its appearance but will improve its
general performance and extend the useful life of
many components.
1. Before cleaning the ATV:
a. Block off the end of the exhaust pipe to
prevent water entry. A plastic bag and
strong rubber band may be used.
b. Make sure the spark plug and all filler caps
are properly installed.
2. If the engine case is excessively greasy, apply
degreaser with a paint brush. Do not apply de-
greaser to the wheel axles.
3. Rinse the dirt and degreaser off with a garden
hose. Use only enough pressure to do the job.CAUTION:ECB00710Excessive water pressure may cause water
seepage and deterioration of wheel bearings,
brakes, transmission seals and electrical de-
vices. Many expensive repair bills have result-ed from improper high-pressure detergent
applications such as those available in coin-
operated car washers.
4. Once most of the dirt has been hosed off,
wash all surfaces with warm water and mild,
detergent-type soap. An old toothbrush or bot-
tle brush is handy for hard-to-reach places.
5. Rinse the ATV off immediately with clean wa-
ter and dry all surfaces with a chamois, clean
towel or soft absorbing cloth.
6. Clean the seat with a vinyl upholstery cleaner
to keep the cover pliable and glossy.
7. Automotive type wax may be applied to all
painted and chrome plated surfaces. Avoid
combination cleaner-waxes. Many contain
abrasives which may mar the paint or protec-
tive finish. When finished cleaning, start the
engine and let it idle for several minutes.
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9-3
9 c. Install the spark plug cap onto the spark
plug, and then place the spark plug on the
cylinder head so that the electrodes are
grounded. (This will limit sparking during
the next step.)
d. Turn the engine over several times with the
starter. (This will coat the cylinder wall with
oil.)
e. Remove the spark plug cap from the spark
plug, and then install the spark plug and
the spark plug cap.
6. Lubricate all control cables and the pivoting
points of all levers and pedals.
7. Check and, if necessary, correct the tire air
pressure, and then block up the ATV so that
all of its wheels are off the ground. Alternative-
ly, turn the wheels a little every month in order
to prevent the tires from becoming degraded
in one spot.
8. Cover the muffler outlet with a plastic bag to
prevent moisture from entering it.
9. Remove the battery and fully charge it. Store
it in a cool, dry place and charge it once a
month. Do not store the battery in an exces-
sively cold or warm place [less than 0 °C (30°F) or more than 30 °C (90 °F)]. For more in-
formation on storing the battery, see page
8-45.
NOTE:Make any necessary repairs before storing theATV.
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10-1
10
EBU25960
SPECIFICATIONS
Dimensions:Overall length:
1978 mm (77.9 in)
Overall width:
1063 mm (41.9 in)
Overall height:
1095 mm (43.1 in)
Seat height:
840 mm (33.1 in)
Wheelbase:
1233 mm (48.5 in)
Ground clearance:
220 mm (8.7 in)
Minimum turning radius:
3000 mm (118 in)Weight:With oil and fuel:
250.0 kg (551 lb)Engine:Engine type:
Liquid cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
421.0 cm³
Bore × stroke:
84.5 × 75.0 mm (3.33 × 2.95 in)Compression ratio:
10.00 :1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:Type:
SAE5W30 or SAE10W30 or SAE10W40 or SAE15W40
or SAE20W40 or SAE20W50
Recommended engine oil grade:
API service SG type or higher, JASO standard MA-20˚ -10˚ 0˚
10˚20˚ 30˚40˚50˚C
10W/30
15W/4020W/4020W/50
10W/40
5W/30
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10-3
10
Caster angle:
4.0 °
Trail:
19.3 mm (0.76 in)Front tire:Type:
Tubeless
Size:
AT23 x 8R12
Manufacturer/model:
MAXXIS/M937Rear tire:Type:
Tubeless
Size:
AT23 x 10R12
Manufacturer/model:
MAXXIS/M938Loading:Maximum loading limit:
100.0 kg (220 lb)
(Total weight of rider, cargo, accessories, and tongue)Tire air pressure (measured on cold tires):Recommended:
Front:
40.0 kPa (5.8 psi) (0.400 kgf/cm²)
Rear:
40.0 kPa (5.8 psi) (0.400 kgf/cm²)
Minimum:
Front:
37.0 kPa (5.3 psi) (0.370 kgf/cm²)Rear:
37.0 kPa (5.3 psi) (0.370 kgf/cm²)
Maximum:
Front:
43.0 kPa (6.2 psi) (0.430 kgf/cm²)
Rear:
43.0 kPa (6.2 psi) (0.430 kgf/cm²)
Front wheel:Wheel type:
Panel wheel
Rim size:
12 x 6.0ATRear wheel:Wheel type:
Panel wheel
Rim size:
12 x 7.5ATFront brake:Type:
Dual disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 4Rear brake:Type:
Single disc brake
Operation:
Left hand and right foot operation
Recommended fluid:
DOT 4
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10-4
10
Front suspension:Type:
Double wishbone
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
160 mm (6.3 in)Rear suspension:Type:
Swingarm
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
180 mm (7.1 in)Electrical system:Ignition system:
DC. CDI
Charging system:
AC magnetoBattery:Model:
YTX20L-BS
Voltage, capacity:
12 V, 18.0 AhHeadlight:Bulb type:
Krypton bulbBulb voltage, wattage x quantity:Headlight:
12 V, 30.0/30.0 W × 2Tail/brake light:
12 V, 5.0/21.0 W × 1
Neutral indicator light:
LED
Reverse indicator light:
LED
Coolant temperature warning light:
LED
Park indicator light:
LED
On-Command four-wheel-drive indicator:
LCD
Fuses:Main fuse:
30.0 A
Headlight fuse:
15.0 A
Signaling system fuse:
10.0 A
Ignition fuse:
10.0 A
Auxiliary DC jack fuse:
10.0 A
Backup fuse:
10.0 A
Four-wheel-drive motor fuse:
3.0 A
U3C261E0.book Page 4 Thursday, June 29, 2006 4:15 PM

INDEX
AAccessories and loading ................................................ 6-6
Air filter element, cleaning ............................................ 8-30
Axle boots .................................................................... 8-42BBattery .......................................................................... 8-45
Brake fluid, changing .................................................... 8-39
Brake fluid level, checking ............................................ 8-38
Brake lever free play and brake pedal position (rear),
adjusting and checking .............................................. 8-40
Brake lever free play, checking the front ...................... 8-40
Brake lever, front ............................................................ 4-7
Brake levers, checking and lubricating ......................... 8-44
Brake light switches ..................................................... 8-43
Brake pads, checking the front and rear ...................... 8-37
Brake pedal and rear brake lever ................................... 4-7
Brake pedal, checking and lubricating ......................... 8-44
Brakes, front and rear .................................................... 5-4CCables, checking and lubricating ................................. 8-43
Carburetor, adjusting .................................................... 8-34
Chassis fasteners ........................................................... 5-7
Cleaning ......................................................................... 9-1
Coolant .................................................................. 5-3, 8-25
Coolant temperature warning light ................................. 4-2
Cowlings and panels, removing and installing ............... 8-8DDifferential gear oil ......................................................... 5-3Differential gear oil, changing ....................................... 8-23
Drive select lever ............................................................ 4-8
Drive select lever and driving in reverse ........................ 6-3
Drive select lever safety system cable, adjusting ......... 8-37
Drive shaft universal joint, lubricating ........................... 8-45
EEngine break-in .............................................................. 6-5
Engine, cold start ........................................................... 6-1
Engine idling speed ...................................................... 8-35
Engine oil ....................................................................... 5-3
Engine oil and oil filter cartridge ................................... 8-16
Engine, starting a warm ................................................. 6-3
Engine stop switch ......................................................... 4-4FFinal gear oil .......................................................... 5-3, 8-21
Four-wheel-drive indicator .............................................. 4-2
Fuel ......................................................................... 4-9, 5-3
Fuel cock ...................................................................... 4-10
Fuel tank cap .................................................................. 4-8
Fuses, replacing ........................................................... 8-47HHandlebar switches ........................................................ 4-4
Headlight beam, adjusting ............................................ 8-51
Headlight bulb, replacing .............................................. 8-49IIdentification numbers .................................................. 11-1
Indicator lights and warning light .................................... 4-2
Instruments, lights and switches .................................... 5-7
U3C261E0.book Page 1 Thursday, June 29, 2006 4:15 PM

KKey identification number ............................................. 11-1LLabel locations ............................................................... 2-1
Light switch .................................................................... 4-4MMain switch .................................................................... 4-1
Model label ................................................................... 11-2NNeutral indicator light ..................................................... 4-2OOn-Command four-wheel-drive switch ........................... 4-5
Owner’s manual and tool kit ........................................... 8-1PPark indicator light ......................................................... 4-3
Parking ........................................................................... 6-5
Parking on a slope ......................................................... 6-5
Part locations ................................................................. 3-1
Periodic maintenance and lubrication chart ................... 8-3
Pre-operation check list ................................................. 5-1RReverse indicator light ................................................... 4-2
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 1-1
Seat .............................................................................. 4-12
Shock absorber assemblies, adjusting the front .......... 4-14
Shock absorber assembly, adjusting the rear .............. 4-15
Spark arrester, cleaning ............................................... 8-32
Spark plug, checking .................................................... 8-14
Specifications ............................................................... 10-1Speed limiter .................................................................. 4-6
Speedometer unit .......................................................... 4-3
Starter (choke) ............................................................. 4-11
Start switch .................................................................... 4-4
Steering shaft, lubricating ............................................ 8-45
Storage .......................................................................... 9-2
Storage compartment .................................................. 4-13
TTail/brake light bulb, replacing ..................................... 8-51
Throttle cable free play, adjusting ................................ 8-36
Throttle lever ........................................................... 4-6, 5-5
Tire pressure, measuring ............................................... 5-6
Tires ............................................................................... 5-5
Tire wear limit ................................................................ 5-7
Troubleshooting ........................................................... 8-54
Troubleshooting charts ................................................ 8-55VValve clearance ........................................................... 8-36
V-belt case drain plug .................................................. 8-34
V-belt cooling duct check hose .................................... 8-34
Vehicle identification number ....................................... 11-1WWheel bearings, checking ............................................ 8-45
Wheel, installing ........................................................... 8-53
Wheel, removing .......................................................... 8-52
U3C261E0.book Page 2 Thursday, June 29, 2006 4:15 PM