2001 YAMAHA YFM400F fuel

Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600TOC-
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EBU00015
CONTENTS
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 lights .................................... 4-3
Coolant temperature indicator light
checking method .............................. 4-7
Speedometer .................................... 4-11
Fuel gauge ........................................ 4-13
Handlebar switches .......................... 4-15
Throttle lever .................................... 4-21
Speed limiter .................................... 4-23
Front brake lever .............................. 4-25Rear brake pedal and lever.............. 4-27
Drive select lever .............................. 4-29
Recoil starter..................................... 4-29
Fuel tank cap..................................... 4-31
Fuel cock ........................................... 4-33
Starter (choke) “ ” ........................ 4-35
Seat ................................................... 4-37
Storage box ...................................... 4-39
Front carrier ...................................... 4-39
Rear carrier ....................................... 4-39
Front shock absorber
adjustment...................................... 4-41
Rear shock absorber
adjustment...................................... 4-45
Auxiliary DC jack .............................. 4-49
PRE-OPERATION CHECKS .................... 5-1
Front and rear brakes......................... 5-7
Fuel .................................................... 5-11
Engine oil .......................................... 5-15
Final gear oil ..................................... 5-19
Differential gear oil .......................... 5-21
Throttle lever .................................... 5-21
Fittings and Fasteners...................... 5-21
1234
5

2-15
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WARNING

l
Always turn off the engine when refuel-
ing.
l
Do not refuel right after the engine has
been running and is still very hot.
l
Do not spill gasoline on the engine or ex-
haust pipe/muffler when refueling. Never
refuel while smoking, or while in the vi-
cinity of sparks, open flames, or other
sources of ignition such as the pilot lights
of water heaters and clothes dryers. Gas-
oline can catch fire and you could be
burned.
l
When transporting the machine in anoth-
er 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.
l
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 gas-
oline spills on your skin, wash with soap
and water. If gasoline spills on your cloth-
ing, change your clothes.

3-1
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DESCRIPTION AND MACHINE
IDENTIFICATION
1. Rear spring preload
adjusting ring
2. Storage box and tool kit
3. Spark plug
4. Rear brake fluid
reservoir
5. Radiator cap
6. Front spring preload
adjusting ring
7. V-belt case
8. Rear brake pedal
9. Front spring preload
adjusting ring
10. Fuel cock
11. Air filter case
12. Fuses13. V-belt cooling duct
check hose
14. Coolant reservoir
15. Oil filter cartridge
16. Engine oil dipstick
17. Rear brake lever
18. Left handlebar switches
19. Starter (choke)
20. Horn switch
21. Drive select lever
22. Speedometer
23. Main switch
24. Fuel tank cap
25. Auxiliary DC jack
26. Right handlebar switch
27. Throttle lever
28. Front brake lever
NOTE:

The machine you have purchased may differ
slightly from those shown in the figures of this
manual.

4-11
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Speedometer
The speedometer shows riding speed. This
speedometer is equipped with a trip odometer.
The trip odometer can be reset to “0” with the
reset knob. Use the trip odometer to estimate
how far you can ride on a tank of fuel before
going to reserve. This information will enable
you to plan fuel stops in the future.
1. Trip odometer 2. Reset knob
1. Totalisateur journalier 2. Bouton de remise à zéro
1. Cuentakilómetros 2. Mando de reposición

4-13
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EBU00052
Fuel gauge
The fuel gauge indicates the amount of fuel in
the fuel tank. When the needle reaches the red
line, refill the tank at the first opportunity.NOTE:
If the machine runs out of fuel, move the fuel
cock lever to the “RES” position. Approximate-
ly 4.5 L of fuel will be remaining in the tank.
1. Fuel gauge
2. Red line (5.5 L)
1. Jauge de carburant
2. Ligne rouge (5,5 l)
1. Indicador del nivel de combustible
2. Línea roja (5,5 L)

4-31
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EBU00092
Fuel tank cap
Remove the fuel tank cap by turning it counter-
clockwise.
1. Fuel tank cap
1. Bouchon de réservoir de carburant
1. Tapón del depósito de combustible

4-33
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EBU00093
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
position 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.
1. Arrow mark
1. Flèche
1. Marcha de flechaON position
Robinet ouvert
Posición ON1. Arrow mark
1. Flèche
1. Marcha de flechaOFF position
Robinet fermé
Posición OFF

4-35
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RES: This indicates reserve. If you run out of
fuel while riding, turn the lever to this
position. THEN FILL THE FUEL TANK AT
THE FIRST OPPORTUNITY. After refuel-
ling, return the fuel cock lever to the
“ON” position.
EBU00095
Starter (choke) “ ”
Starting a cold engine requires a richer air-fuel
mixture. A separate starter circuit supplies this
mixture.
Move in direction a to turn on the starter
(choke).
Move in direction b to turn off the starter
(choke).
Refer to “Starting a cold engine” for proper op-
eration. (See pages 6-3 ~ 6-7.)
1. Arrow mark
1. Flèche
1. Marcha de flechaRES position
Réserve
Posición RES1. Starter (choke) “ ”
1. Starter (enrichisseur) “ ”
1. Starter (choke) “ ”