2006 YAMAHA YFZ450 fuel

LOCATION OF THE WARNING AND
SPECIFICATION LABELS ..................1-1
SAFETY INFORMATION ..................... 2-1
DESCRIPTION AND MACHINE
IDENTIFICATION ............................... 3-1
Identification number records ............. 3-3
Key identification number ................... 3-5
Vehicle identification number ............. 3-5
Model label ......................................... 3-7
CONTROL FUNCTIONS ...................... 4-1
Main switch ......................................... 4-1
Indicator and warning lights ................ 4-3
Handlebar switches ............................ 4-7
Throttle lever .................................... 4-11
Speed limiter .................................... 4-13
Clutch lever ...................................... 4-15
Brake lever ....................................... 4-17Brake pedal ...................................... 4-17
Parking brake lever .......................... 4-19
Shift pedal ........................................ 4-21
Fuel tank cap .................................... 4-21
Fuel cock .......................................... 4-23
Starter (choke) ................................... 4-25
Seat .................................................. 4-27
Front shock absorber adjustment ..... 4-29
Rear shock absorber adjustment ..... 4-39
PRE-OPERATION CHECKS ................ 5-1
Front and rear brakes ......................... 5-7
Fuel .................................................. 5-13
Engine oil .......................................... 5-17
Coolant ............................................. 5-19
Chain ................................................ 5-21
Throttle lever .................................... 5-21
Tires ................................................. 5-23
How to measure tire pressure .......... 5-27
Tire wear limit ................................... 5-29
Fittings and fasteners ....................... 5-29
EBU00150
CONTENTS
1
2
3
4
5
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2-17
w
8Always turn off the engine when refueling.
8Do not refuel immediately after the engine
has been running and is still very hot.
8Do not spill gasoline on the engine or
exhaust pipe/muffler when refueling.
Never refuel while smoking or in the vicini-
ty of sparks, open flames, or other
sources of ignition such as the pilot lights
of water heaters and clothes dryers.
Gasoline can catch fire. You could be
burned.
8When transporting the machine in another
vehicle, be sure it is kept upright and that
the fuel cock is in the “OFF” position.
Otherwise, fuel may leak out of the carbu-
retor or fuel tank.
8Gasoline 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
gasoline spills on your skin, wash with
soap and water. If gasoline spills on your
clothing, change your clothes.
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3-1
EBU00320
DESCRIPTION AND MACHINE
IDENTIFICATION
1. Seat 11. Tail/brake light
2. Fuel tank cap 12. Coolant reservoir
3. Radiator cap 13. Shift pedal
4. Oil filter element 14. Engine oil tank
5. Brake pedal 15. Clutch lever
6. Headlights 16 Handlebar switches
7. Fuel cock 17. Parking brake lever
8. Starter (choke) 18. Main switch
9. Throttle stop screw 19. Throttle lever
10. Fuse 20. Brake lever
NOTE:
The machine you have purchased may differ
slightly from those shown in the figures of this
manual.
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4-21
1. Shift pedal1. Pédale de sélection1. Pedal del cambio
1. Fuel tank cap
1. Bouchon de réservoir de carburant1. 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 com-
bination with the clutch when shifting.
EBU00920
Fuel tank cap
Remove the fuel tank cap by turning it counter-
clockwise.
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4-23
EBU00930
Fuel cock
The fuel cock supplies fuel from the fuel tank to
the carburetor.
The fuel cock has three positions.
OFF: With the lever in this position, fuel will
not flow. Always turn the lever to this posi-
tion when the engine is not running.
ON: With the lever in this position, fuel flows
to the carburetor. Normal riding is done
with the lever in this position.
RES: This indicates reserve. If you run out of
fuel while riding, turn the lever to this posi-
tion. THEN FILL THE FUEL TANK AT THE
FIRST OPPORTUNITY. After refuelling,
return the fuel cock lever to the “ON” posi-
tion.
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4-25
EBU00950
Starter (choke) “1”
Starting a cold engine requires a richer air-fuel
mixture. A separate starter circuit supplies this
mixture.
Move in direction ato turn on the starter
(choke).
Move in direction bto turn off the starter
(choke).
Refer to “Starting a cold engine” for proper oper-
ation. (See page 6-3.)
1. Starter (choke) “1”1. Starter (enrichisseur) “1”1. Starter (choke) “1”
5TG-9-62 4 5/12/05 5:18 PM Page 4-25

5-1
EBU01130
PRE-OPERATION CHECKS
Before using this machine, check the following points:
ITEM ROUTINE PAGE
Front brake9Check operation lever, free play, fluid level and fluid leakage. 5-7–5-11, 8-81,
9Fill with DOT 4 brake fluid if necessary. 8-85–8-91
Rear brake9Check operation, fluid level and fluid leakage. 5-7–5-11
9Fill with DOT 4 brake fluid if necessary. 8-83–8-89, 8-93
Clutch9Check operation, condition and lever free play. 8-103
Parking brake9Check operation, condition and cable length. 8-97–8-99
Fuel 9Check fuel level.
9Fill with fuel if necessary.5-13–5-15
Engine oil9Check oil level.
9Fill with oil if necessary.5-17, 8-25–8-41
Coolant reservoir 9Check coolant level in reservoir.
9Fill with coolant if necessary.5-19–5-21, 8-43–8-53
Drive chain9Check chain slack and condition.
9Adjust if necessary.5-21, 8-105–8-113
Throttle9Check for proper throttle cable operation and free play. 5-21, 8-79
Wheels and tires9Check tire pressure, wear and damage. 5-23–5-29, 8-125–8-127
Fittings and fasteners9Check all fittings and fasteners. 5-29
Lights and switches9Check for proper operation. 5-29, 8-99, 8-137–8-141
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5-13
EBU14571
Fuel
Make sure there is sufficient gasoline in the tank.
NOTE:
If knocking or pinging occurs, use a different
brand of gasoline or higher octane grade.
cC
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.
Recommended fuel:
PREMIUM UNLEADED GASOLINE
ONLY
For Europe:
PREMIUM UNLEADED GASOLINE
ONLY with a research octane number
of 97 or higher
Fuel tank capacity:
Total:
10.0 L
Reserve:
1.9 L
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