2005 YAMAHA YFZ450 clock

4-21 1. Shift pedal
1. Pédale de sélection
1. Pedal del cambio
1. Fuel tank cap
1. Bouchon du réservoir de carburant
1. Tapón del depósito de combustible
EBU00820
Shift pedal
This machine is equipped with a constant-mesh
5-speed transmission. The shift pedal is located
on the left side of the engine and is used in combi-
nation with the clutch when shifting.
EBU00920
Fuel tank cap
Remove the fuel tank cap by turning it counter-
clockwise.
U5TG61.book Page 21 Friday, April 2, 2004 11:28 AM

8-53 1. Panel 2. Bolt (× 2)
3. Quick fastener screw (× 2) 4. Fuel tank cap
1. Cache 2. Boulon (× 2)
3. Vis à serrage rapide (× 2)
4. Bouchon du réservoir de carburant
1. Panel 2. Perno (× 2)
3. Perno del fijador rápido (× 2)
4. Tapón del depósito de combustible
EBU14142
Spark plug inspection
Removal
1. Remove the seat. (See page 4-27 for seat re-
moval and installation procedures.)
2. Remove the bolts and the quick fastener
screws.
3. Remove the fuel tank cap by turning it coun-
terclockwise.
WARNING
_

Always turn off the engine when removing
the fuel tank cap.


Do not remove the fuel tank cap immedi-
ately after the engine has been running
and is still very hot.


Do not spill gasoline on the engine, ex-
haust pipe or muffler.


Never remove the fuel tank cap 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.
_
U5TG61.book Page 53 Friday, April 2, 2004 11:28 AM

8-55 1. Bolt
1. Boulon
1. Perno
1. Spark plug cap
1. Capuchon de bougie
1. Tapa de bujía
4. Pull the panel backward, and then remove it.
5. Install the fuel tank cap by turning it clock-
wise.
6. Remove the bolt, lift the rear of the fuel tank,
and then tilt it back.
WARNING
_ Before lifting the fuel tank, make sure that the
fuel cock is in the “OFF” position and the fuel
tank cap is securely tightened. Otherwise, fuel
may leak out of the carburetor or fuel tank. _7. Remove the spark plug cap.
U5TG61.book Page 55 Friday, April 2, 2004 11:28 AM

8-61
NOTE:_ If a torque wrench is not available when you are in-
stalling a spark plug, a good estimate of the correct
torque is 1/4 to 1/2 turn past finger tight. Have the
spark plug tightened to the specified torque as
soon as possible. _4. Install the spark plug cap.CAUTION:_ Do not use any tools to remove or install the
spark plug cap, otherwise the ignition coil cou-
pler may be damaged. The spark plug cap may
be difficult to remove because the rubber seal
on the end of the cap fits tightly. To remove the
spark plug cap, simply twist it back and forth
while pulling it out; to install it, twist it back
and forth while pushing it in. _5. Place the fuel tank in the original position,
and then install the bolt.
6. Remove the fuel tank cap by turning it coun-
terclockwise.
U5TG61.book Page 61 Friday, April 2, 2004 11:28 AM

8-63 1. Projection (× 4) 2. Slot (× 4)
1. Saillie (× 4) 2. Fente (× 4)
1. Saliente (× 4) 2. Ranura (× 4)
7. Place the panel in the original position.
8. Install the fuel tank cap by turning it clock-
wise.
9. Install the bolts and the quick fastener
screws.
10. Install the seat.
U5TG61.book Page 63 Friday, April 2, 2004 11:28 AM

8-135 1. Headlight bulb holder
1. Fixation d’ampoule de phare
1. 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.
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.
WARNING
_ 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. _CAUTION:_ 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 affect-
ed. Thoroughly clean off any dirt and finger-
prints on the headlight bulb using a cloth
moistened with alcohol or thinner. _
U5TG61.book Page 135 Friday, April 2, 2004 11:28 AM

8-137
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.
U5TG61.book Page 137 Friday, April 2, 2004 11:28 AM

8-141 1. Lens 2. Screw (× 2)
1. Lentille 2. Vis (× 2)
1. Lente 2. Tornillo (× 2)
1. Bulb
1. Ampoule
1. Bombilla
EBU12170
Tail/brake light bulb replacement
1. Remove the lens by removing the screws.
2. Remove the defective bulb by pushing it in-
ward and turning it counterclockwise.
3. Install a new bulb by pushing it inward and
turning it clockwise.
4. Install the lens by installing the screws.CAUTION:_ Do not overtighten the screws as the lens may
break. _
U5TG61.book Page 141 Friday, April 2, 2004 11:28 AM