2001 YAMAHA WARRIOR 350 light

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CROSSING A SLOPE
Traversing a sloping surface on your ATV re-
quires you to properly position your weight to
maintain proper balance. Be sure that you
have learned the basic riding skills on flat
ground before attempting to cross a sloping
surface. Avoid slopes with slippery surfaces or
rough terrain that may upset your balance.
As you travel across a slope, lean your body in
the uphill direction. It may be necessary to cor-
rect the steering when riding on loose surfaces
by pointing the front wheels slightly uphill.
When riding on slopes be sure not to make
sharp turns either up or down hill.

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Oil pressure check
1. Put a cloth around the cylinder.
2. Slightly loosen the oil gallery bolt in the
cylinder head.
3. Start the engine and keep it idling until oil
begins to seep from the oil gallery. If no oil
comes out after one minute, turn the en-
gine off so it will not seize and find the
cause.
4. Start the engine, and then check the oil
pressure.
5. After checking, tighten the oil gallery bolt
to the specified torque.CAUTION:Be sure to check the oil pressure after replac-ing the engine oil. Tightening torque:
Oil gallery bolt:
7 Nm (0.7 m·kg)
1. Oil gallery bolt
1. Boulon de rampe de graissage
1. Perno del conducto de aceite

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EBU00599
Replacing the headlight bulb
If the headlight bulb burns out, replace the
bulb as follows:
1. Remove the headlight assembly together
with the guard by removing the bolts.
2. Disconnect the connectors.
1. Bolt (´ 3)
1. Boulon (´ 3)
1. Perno (´ 3)1. Connector
1. Connecteurs
1. Conector

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3. Remove the bolts holding the headlight
assembly to the guard.
4. Remove the light unit assembly from the
headlight assembly by removing the
screw.
1. Headlight assembly 2. Guard 3. Bolt (´ 2)
1. Ensemble phare 2. Protection 3. Boulon (´ 2)
1. Conjunto faro 2. Protección 3. Perno (´ 2)1. Screw
1. Vis
1. Tornillo

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5. Remove the bulb holder cover.
6. Turn the bulb holder counterclockwise
and remove the defective bulb.
WARNING
The headlight bulb is hot when it is on and im-
mediately after it is turned off. Wait for the
bulb to cool before touching or removing it.
You can be burned, or a fire could start if thebulb touches something flammable.
1. Bulb holder cover
1. Cache de la fixation d’ampoule
1. Cubierta del portabombillas1. Defective bulb
1. Ampoule défectueuse
1. Lámpara defectuosa

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7. Put a new bulb into position and secure it
in place with the bulb holder.
8. Install the bulb holder cover.CAUTION:Make sure the bulb holder cover is securely fit-
ted over the bulb holder and seated againstthe reflector.
9. Install the headlight assembly and the
guard.
Adjust the headlight beam if necessary.
EBU00409
Headlight beam adjustmentCAUTION:It is advisable to have a Yamaha dealer makethis adjustment.
1. Vertical adjustment:
To raise the beam, turn the adjusting
screw clockwise.
To lower the beam, turn the screw coun-
terclockwise.
1. Vertical adjusting screw (´ 2)
1. Vis de réglage vertical (´ 2)
1. Tornillo de ajuste vertical (´ 2)1. Bulb holder cover 2. Bulb holder
3. Reflector
1. Cache de la fixation d’ampoule 2. Fixation d’ampoule
3. Réflecteur
1. Cubierta del portabombillas 2. Portabombillas
3. Reflector

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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 igni-
tion systems can cause poor starting and loss
of power. The troubleshooting chart describes
a quick, easy procedure for making checks. If
your machine requires any repair, take it to a
Yamaha dealer.
The skilled technicians at a Yamaha dealership
have the tools, experience, and know-how to
properly service your machine. Use only genu-
ine Yamaha parts on your machine. Imitation
parts may look like Yamaha parts, but they are
often inferior. Consequently, they have a short-
er 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 inju-
ry or property damage. Make sure there are no
open flames or sparks in the area, including pi-lot lights from water heaters or furnaces.

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5. Block up the frame to raise all wheels off
the ground.
6. Tie a plastic bag over the exhaust pipe
outlet to prevent moisture from entering.
7. If storing in a humid or salt-air atmo-
sphere, coat all exposed metal surfaces
with a light film of oil. Do not apply oil to
any rubber parts or the seat cover.
8. Remove the battery and charge it. Store it
in a dry place and recharge it once a
month. Do not store the battery in an ex-
cessively warm or cold place (less than
0 ˚C or more than 30 ˚C).
NOTE:

Make any necessary repairs before storing the
machine.