light YAMAHA YFZ450 2006 Owner's Manual

8-59
8. Use the spark plug wrench in the owner’s
tool kit to remove the spark plug as shown.
Inspection
The spark plug is an important engine compo-
nent and is easy to inspect. The condition of the
spark plug can indicate the condition of the
engine.
The ideal color on the white insulator around the
center electrode is a medium-to-light tan color
for an ATV that is being ridden normally.
Do not attempt to diagnose such problems your-
self.
Instead, take the ATV to a Yamaha dealer. You
should periodically remove and inspect the
spark plug because heat and deposits will cause
the spark plug to slowly break down and erode.
If electrode erosion becomes excessive, or if
carbon and other deposits are excessive, you
should replace the spark plug with the specified
plug.
1. Spark plug wrench1. Clé à bougie1. Llave de bujía
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8-101
EBU08330
Adjusting the rear brake light switch
The rear brake light switch, which is activated by
the brake pedal and brake lever, is properly
adjusted when the brake light comes on just
before braking takes effect. If necessary, adjust
the brake light switch as follows.
Turn the adjusting nut while holding the rear
brake light switch in place. To make the brake
light come on earlier, turn the adjusting nut in
direction a. To make the brake light come on
later, turn the adjusting nut in direction b.
1. Rear brake light switch
2. Adjusting nut
1. Contacteur de feu stop sur frein arrière
2. Écrou de réglage
1. Interruptor de la luz de freno trasero
2. Tuerca de ajuste
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8-137
EBU14170
Replacing a headlight bulb
If a headlight bulb burns out, replace it as fol-
lows.
1. Remove the headlight assembly by remov-
ing the bolts.
2. Disconnect the headlight coupler.
3. Remove the headlight bulb holder cover.
1. Headlight assembly 2. Bolt (×2)1. Bloc de phare 2. Boulon (×2)1. Conjunto faro 2. Perno (×2)
1. Headlight bulb holder cover 2. Headlight coupler
1. Cache de la fixation d’ampoule de phare
2. Coupleur de phare
1. Cubierta del portabombillas del faro
2. Acoplador del faro
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8-139
4. Push the headlight bulb holder in and turn
it counterclockwise to remove.
5. Remove the defective bulb and replace it
with a new bulb.
w
Do not touch a headlight bulb when it is on
or immediately after it is turned off. You can
be burned or a fire could start if the bulb
touches something flammable. Wait for the
bulb to cool before touching or removing it.
cC
Do not touch the glass part of the headlight
bulb to keep it free from oil, otherwise the
transparency of the glass, the luminosity of
the bulb, and the bulb life will be adversely
affected. Thoroughly clean off any dirt and
fingerprints on the headlight bulb using a
cloth moistened with alcohol or thinner.
1. Headlight bulb holder1. Fixation d’ampoule de phare1. Portabombillas del faro
1. Do not touch the glass part of the bulb.
1. Ne pas toucher le verre de l’ampoule.1. Ne tocar la parte de cristal de la bombilla.
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8-141
6. Push the headlight bulb holder in and turn
it clockwise to install.
7. Install the headlight bulb holder cover.
8. Connect the headlight coupler.
9. Install the headlight assembly by installing
the bolts.
10. Adjust the headlight beam if necessary.
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8-143
EBU14050
Headlight beam adjustment
cC
It is advisable to have a Yamaha dealer make
this adjustment.
To raise the beam, turn the adjusting bolt in
direction a.
To lower the beam, turn the adjusting bolt in
direction b.
EBU15852
Tail/brake light
This model is equipped with an LED type of
tail/brake light.
If the tail/brake light does not come on, have a
Yamaha dealer check it.
1. Adjusting screw1. Vis de réglage1. Tornillo de ajuste
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8-147
w
Do not smoke when checking the fuel sys-
tem. Fuel can ignite or explode, causing
severe injury or property damage. Make sure
there are no open flames or sparks in the
area, including pilot lights from water
heaters or furnaces.
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9-9
4. Lubricate all control cables.
5. Block up the frame to raise all wheels off
the ground.
6. Tie a plastic bag over the exhaust pipe out-
let to prevent moisture from entering.
7. If storing in a humid or salt-air atmosphere,
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
excessively warm or cold place (less than
0 ° C or more than 30 °C).
NOTE:
Make any necessary repairs before storing the
machine.
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10-5
Model YFZ450V
Brake:
Front brake type Dual disc brake
operation Right hand operation
Rear brake type Single disc brake
operation Right foot operation
Suspension:
Front suspension Double wishbone
Rear suspension Swingarm (link suspension)
Shock absorber:
Front shock absorber Coil spring/Gas-Oil damper
Rear shock absorber Coil spring/Gas-Oil damper
Wheel travel:
Front wheel travel 230.0 mm
Rear wheel travel 270.0 mm
Electrical:
Ignition system D.C. C.D.I.
Generator system A.C. magneto
Battery type/voltage capacity GT7B-4/12V, 6.5 Ah
Headlight type: Krypton bulb
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10-6
Model YFZ450V
Bulb voltage, wattage ×quantity:
Headlight 12V, 30W/30W ×2
Tail/brake light LED
Indicator/warning light
Neutral 12V, 1.7W ×1
Coolant temperature 12V, 1.7W ×1
Fuses:
Main 15.0 A
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