2007 YAMAHA WOLVERINE 450 coolant temperature

4-2
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

8-27
8

If water has been added to the coolant, have
a Yamaha dealer check the antifreeze con-
tent of the coolant as soon as possible, oth-
erwise the effectiveness of the coolant willbe reduced.
NOTE:
The radiator fan is automatically switched on or
off according to the coolant temperature in the
radiator.
If the engine overheats, see page 8-55 for fur-ther instructions.EBU26441To change the coolant
WARNING
EWB01890Wait for the engine and radiator to cool before
removing the radiator cap. You could be
burned by hot fluid and steam blown out under
pressure. Always place a thick rag over the cap
when opening. Allow any remaining pressureto escape before completely removing the cap.
1. Place the ATV on a level surface.
2. Remove panels C and D. (See page 8-8.)3. Place a container under the engine, and then
remove the coolant drain bolt. (Use a trough
or a similar object as shown to prevent coolant
from spilling on the footrest.)
1. Coolant drain bolt
U3C261E0.book Page 27 Thursday, June 29, 2006 4:15 PM

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