2004 YAMAHA WOLVERINE 350 ignition

2-15
WARNING
_

Always turn off the engine when refueling.


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


Do not spill gasoline on the engine or ex-
haust pipe/muffler when refueling. Never
refuel while smoking, or in the vicinity of
sparks, open flames, or other sources of
ignition such as the pilot lights of water
heaters and clothes dryers. Gasoline can
catch fire and you could be burned.


When transporting the ATV in another ve-
hicle, be sure it is kept upright and that the
fuel cock is in the “OFF” position. Other-
wise, fuel may leak out of the carburetor or
fuel tank.


Gasoline is poisonous. If you should swal-
low some gasoline or inhale a lot of gaso-
line vapor, or get some gasoline in your
eyes, see your doctor immediately. If gaso-
line spills on your skin, wash with soap
and water. If gasoline spills on your cloth-
ing, change your clothes.
_
U5UH60.book Page 15 Wednesday, October 8, 2003 9:05 AM

4-15 1. Light switch “ / /OFF”
2. Engine stop switch “ / ”
3. Start switch “ ”
4. Horn switch “ ”
1. Contacteur d’éclairage “ / /OFF”
2. Coupe-circuit du moteur “ / ”
3. Contacteur du démarreur “ ”
4. Contacteur de l’avertisseur “ ”
1. Interruptor de luces “ / /OFF”
2. Interruptor de paro del motor “ / ”
3. Interruptor de arranque “ ”
4. Interruptor de la bocina “ ”
EBU01205
Engine stop switch “ / ”
Make sure that the engine stop switch is set to
“ ” before starting the engine. The engine stop
switch controls ignition and can be used at all
times to stop the engine, especially in an emer-
gency. The engine will not start or run when the
engine stop switch is set to “ ”.
EBU00607
Start switch “ ”
The starter motor cranks the engine when this
switch is pushed.CAUTION:
See starting instructions prior to starting the
engine. (See page 6-3 for details.)
EBU00059
Horn switch “ ”
Press the switch to sound the horn.
E-4.fm Page 15 Wednesday, October 8, 2003 11:41 AM

8-95
WARNING
Battery electrolyte is poisonous and danger-
ous, causing severe burns, etc. It contains sul-
furic acid. Avoid contact with skin, eyes or
clothing.
Antidote:

EXTERNAL: Flush with water.


lNTERNAL: Drink large quantities of water
or milk. Follow with milk of magnesia, beat-
en egg or vegetable oil. Call a physician
immediately.


EYES: Flush with water for 15 minutes and
get prompt medical attention.
Batteries produce explosive gases. Keep
sparks, flame, cigarettes or other sources of
ignition away. Ventilate when charging or us-
ing in an enclosed space. Always shield your
eyes when working near batteries.
KEEP OUT OF REACH OF CHILDREN.
U5UH60.book Page 95 Wednesday, October 8, 2003 9:05 AM

8-101 1. Headlight fuse
2. Ignition fuse
3. Terminal fuse (for optional auxiliary DC jack)
4. Four-wheel-drive fuse
5. Signaling system fuse
6. Spare fuse (× 3)
1. Fusible de phare
2. Fusible d’allumage
3. Fusible de la prise pour accessoires optionnelle
4. Fusible du système 4x4
5. Fusible de signalisation
6. Fusible de rechange (× 3)
1. Fusible del faro
2. Fusible del sistema de encendido
3. Fusible del terminal (para la toma de corriente de CC auxiliar
opcional)
4. Fusible del sistema de tracción en las cuatro ruedas
5. Fusible del sistema de señalización
6. Fusible de repuesto (× 3)
WARNING
_ Always use a fuse of the specified rating. Nev-
er use any type of material or object in place of
the proper fuse. An improper fuse can cause
damage to the electrical system which could
lead to a fire. _CAUTION:_ To prevent accidental short-circuiting, turn off
the main switch when checking or replacing a
fuse. _
Specified fuses:
Main fuse: 30 A
Headlight fuse: 15 A
Ignition fuse: 15 A
Four-wheel-drive fuse: 3 A
Signaling system fuse: 10 A
Terminal fuse: 10 A
U5UH60.book Page 101 Wednesday, October 8, 2003 9:05 AM

8-109
EBU00413
Troubleshooting
Although Yamaha machines receive a rigid in-
spection before shipment from the factory, trouble
may occur during operation.
Any problem in the fuel, compression, or ignition
systems can cause poor starting and loss of pow-
er. The troubleshooting chart describes a quick,
easy procedure for making checks. If your ma-
chine requires any repair, take it to a Yamaha
dealer.
The skilled technicians at a Yamaha dealership
have the tools, experience, and know-how to prop-
erly service your machine. Use only genuine
Yamaha parts on your machine. Imitation parts
may look like Yamaha parts, but they are often in-
ferior. Consequently, they have a shorter service
life and can lead to expensive repair bills.
WARNING
Do not smoke when checking the fuel system.
Fuel can ignite or explode, causing severe in-
jury or property damage. Make sure there are
no open flames or sparks in the area, including
pilot lights from water heaters or furnaces.
U5UH60.book Page 109 Wednesday, October 8, 2003 9:05 AM

8-111
EBU04400Troubleshooting chart1. Fuel
Check if there is fuel
in the fuel tank.There is fuel.Turn the fuel cock
lever to “OFF”.No fuel.Fuel cock is
clogged.
Clean the
fuel cock. Some fuel.Turn the fuel cock
lever to “RES”.Restart the engine.
No fuel.Supply fuel.
2. Compression
Use the electric
starter to see if
there is compression.There is compression.
Compression normal.
No compression.Ask a Yamaha dealer to
inspect.
3. Ignition
Remove the
spark plug and
check the electrodes.WetWipe clean with dry cloth.
DryAttach spark plug cap and
ground to chassis.Use the
electric starter.Spark is good.Ignition system is
normal.
Spark is weak.
Adjust the spark plug gap
or replace the spark plug. No spark.
Ask a Yamaha dealer to
inspect. 4. Battery
Use the electric starter.Engine turns over
quickly.Battery is good.
Engine turns over
slowly.Check the battery lead connections,
and charge the battery if necessary.Check the
fuel flow.
Turn the fuel cock
lever to “ON”.
Remove the fuel hose
from the fuel cock.
U5UH60.book Page 111 Wednesday, October 8, 2003 9:05 AM

10-5
Suspension:
Front suspension Double wishbone
Rear suspension Swingarm (monocross)
Shock absorber:
Front shock absorber Coil spring / oil damper
Rear shock absorber Coil spring / oil damper
Wheel travel:
Front wheel travel 160 mm
Rear wheel travel 180 mm
Electrical:
Ignition system DC-C.D.I.
Generator system A.C. magneto
Battery type YTX14AH
Battery voltage, capacity 12 V, 12 Ah
Headlight type: Krypton bulbModel YFM350FA
U5UH60.book Page 5 Wednesday, October 8, 2003 9:05 AM

10-6
Bulb voltage, wattage
× quantity:
Headlight 12 V, 30/30 W
× 2
Tail/brake light 12 V, 5/21 W
× 1
Meter lighting 14 V, 3 W
× 1
Neutral indicator light 12 V, 1.7 W
× 1
Reverse indicator light 12 V, 1.7 W
× 1
Oil temperature warning light 12 V, 1.7 W
× 1
Four-wheel-drive indicator light 12 V, 1.7 W
× 1
Fuse:
Main fuse 30 A
Headlight fuse 15 A
Ignition fuse 15 A
Terminal fuse 10 A
Four-wheel-drive fuse 3 A
Signaling system fuse 10 AModel YFM350FA
U5UH60.book Page 6 Wednesday, October 8, 2003 9:05 AM