engine YAMAHA WOLVERINE 450 2004 Notices Demploi (in French)

5-1
EBU00113
PRE-OPERATION CHECKS
Before using this machine, check the following points:
ITEM ROUTINE PAGE
Front brakeCheck operation, lever free play, fluid level and fluid leakage.
Fill with DOT 4 brake fluid if necessary.5-5–5-7,
8-89, 8-93–8-99
Rear brakeCheck operation, lever free play, fluid level and fluid leakage.
Fill with DOT 4 brake fluid if necessary.5-5–5-7,
8-91–8-97,
8-101–8-103
FuelCheck fuel level.
Fill with fuel if necessary.5-9–5-11
Engine oilCheck oil level.
Fill with oil if necessary.5-13, 8-31–8-41
Coolant reservoirCheck coolant level in reservoir.
Fill with coolant if necessary.5-19–5-21,
8-53–8-63
Final gear oil and
differential gear oilCheck for leakage.5-15–5-17,
8-41–8-51
ThrottleCheck for proper throttle cable operation and free play. 5-21, 8-87
Wheels and tiresCheck tire pressure, wear and damage.5-25–5-31,
8-111–8-113
Fittings and fastenersCheck all fittings and fasteners. 5-21
Lights and switchesCheck for proper operation.5-23, 8-105,
8-125–8-129
Axle bootsCheck for damage. 8-63
U5ND61.book Page 1 Thursday, June 5, 2003 7:02 PM

5-11
CAUTION:_ Use only unleaded gasoline. The use of leaded
gasoline will cause severe damage to internal
engine parts, such as the valves and piston
rings, as well as to the exhaust system. _
WARNING
_

Do not overfill the fuel tank. Fuel expands
when it heats up. If the fuel tank is over-
filled, fuel could spill out due to heat from
the engine or the sun.


Be careful not to spill fuel, especially on
the engine or exhaust pipe which can
cause a fire and severe injury. Wipe up any
spilled fuel immediately.


Do not refuel right after the engine has
been running and is still very hot.


Be sure the fuel tank cap is closed secure-
ly.
_
U5ND61.book Page 11 Thursday, June 5, 2003 7:02 PM

5-13
EBU10842
Engine oil
Make sure the engine oil is at the specified level.
Add oil as necessary. (See pages 8-31–8-41.)CAUTION:_

In order to prevent clutch slippage (since
the engine oil also lubricates the clutch),
do not mix any chemical additives. Do not
use oils with a diesel specification of “CD”
or oils of a higher quality than specified. In
addition, do not use oils labeled “ENERGY
CONSERVING II” or higher.


Make sure that no foreign material enters
the crankcase.
_
Recommended engine oil type and quantity:
See page 10-2.
U5ND61.book Page 13 Thursday, June 5, 2003 7:02 PM

5-19
EBU13160
Coolant
Check the coolant level in the coolant reservoir
when the engine is cold. (The coolant level will
vary with engine temperature.) The coolant level is
satisfactory if it is between the minimum and max-
imum level marks on the coolant reservoir. If the
coolant level is at or below the minimum level
mark, add distilled water to bring the level up to the
maximum level mark. Change the coolant every
two years. (See pages 8-53–8-63 for details.)CAUTION:_ Hard water or salt water is harmful to the en-
gine. You may use soft water if you cannot get
distilled water. _
Coolant reservoir capacity
(up to the maximum level mark):
0.25 L
U5ND61.book Page 19 Thursday, June 5, 2003 7:02 PM

5-21
WARNING
_ Wait 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 put a thick rag over the cap
when opening. Allow any remaining pressure
to escape before completely removing the cap. _
EBU01083
Throttle lever
Check to see that the throttle lever operates cor-
rectly. It must open smoothly and spring back to
the idle position when released. Have a Yamaha
dealer repair as necessary for proper operation.
EBU01162
Fittings and fasteners
Always check the tightness of chassis fittings and
fasteners before a ride. Take the machine to a
Yamaha dealer or refer to the Service Manual for
correct tightening torque.
U5ND61.book Page 21 Thursday, June 5, 2003 7:02 PM

6-3
EBU00673
Starting a cold engine
WARNING
Always make sure all control cables work
smoothly before you begin riding in cold
weather. If the control cables are frozen or do
not work smoothly, you could be unable to
control the ATV, which could lead to an acci-
dent or collision.1. Apply the rear brake lever.
2. Turn the fuel cock to “ON”.
3. Turn the main switch to “ON” and the engine
stop switch to “”.
4. Shift the drive select lever into the neutral or
park position.
U5ND61.book Page 3 Thursday, June 5, 2003 7:02 PM

6-5 a. Starter (choke)
1. Fully open
2. Half open
3. Closed
a. Starter (enrichisseur)
1. Complètement ouvert
2. Mi-ouvert
3. Fermé
a. Starter (choke)
1. Abre completamente
2. Semiabierto
3. Cerrado
NOTE:

When the drive select lever is in the neutral or
park position, if either indicator light does not
come on, ask a Yamaha dealer to inspect its
electric circuit.


The engine can be started in any gear if the
rear brake lever is applied. However, it is rec-
ommended to shift into neutral or park before
starting the engine.
5. Use the starter (choke) in reference to the fig-
ure:
Position
1: Cold engine start-
ambient temperature below 5 °C.
Position
2: Cold engine start-
ambient temperature at 0 °C–30 °C
and warming up position.
Position
3: Cold engine start-
ambient temperature above 25 °C
and warm engine start position.
6. Completely close the throttle lever and start
the engine by pushing the start switch.
U5ND61.book Page 5 Thursday, June 5, 2003 7:02 PM

6-7 a. Starter (choke)
1. Fully open
2. Half open
3. Closed
a. Starter (enrichisseur)
1. Complètement ouvert
2. Mi-ouvert
3. Fermé
a. Starter (choke)
1. Abre completamente
2. Semiabierto
3. Cerrado
NOTE:

If the engine fails to start, release the start
switch, then push the start switch 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 each at-
tempt.


If the battery is discharged, pull the recoil
starter to start the engine.
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 en-
gine. If the engine is started with the starter
(choke) in position
2, keep the starter
(choke) in this position to warm up the en-
gine.
8. Continue warming up the engine until it idles
smoothly and return the starter (choke) to po-
sition
3 before riding.CAUTION:
See the “Engine break-in” section prior to op-
erating the engine for the first time.
U5ND61.book Page 7 Thursday, June 5, 2003 7:02 PM

6-9
EBU00180
Starting a warm engine
To start a warm engine, refer to the “Starting a cold
engine” section. The starter (choke) should not be
used. The throttle should be opened slightly.
EBU00182
Warming up
To get maximum engine life, always warm up the
engine before starting off. Never accelerate hard
with a cold engine! To see whether or not the en-
gine is warm, check if it responds to the throttle
normally with the starter (choke) turned off.
U5ND61.book Page 9 Thursday, June 5, 2003 7:02 PM

6-13 1. Drive select lever
a. L (Low)
b. H (High)
c. N (Neutral)
d. R (Reverse)
e. P (Park)
1. Levier de présélection
a. L (Rapport inférieur)
b. H (Rapport supérieur)
c. N (Point mort)
d. R (Marche arrière)
e. P (Stationnement)
1. Palanca de selección de marcha
a. L (Baja)
b. H (Alta)
c. N (Punto muerto)
d. R (Marcha atrás)
e. P (Estacionamiento)
Shifting: Neutral to Reverse and Reverse to
ParkNOTE:_ The drive select lever cannot be shifted into or
from reverse or park without applying the rear
brake. _1. Bring the machine to a complete stop and re-
turn the throttle lever to the closed position.
2. Apply the rear brake pedal.
3. Shift from neutral to reverse or from reverse
to park and vice versa by moving the drive
select lever along the shift guide.NOTE:_

When in reverse, the reverse indicator light
should be on. If the light does not come on,
ask a Yamaha dealer to inspect the reverse
indicator light electrical circuit.


Due to the synchronizing mechanism in the
engine, the light may not come on until the
ATV starts moving.
_
U5ND61.book Page 13 Thursday, June 5, 2003 7:02 PM