wheel YAMAHA YFM400F 2001 Manuale de Empleo (in Spanish)

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V-belt cooling duct check hose ....... 8-77
Carburetor adjustment..................... 8-81
Idle speed adjustment...................... 8-83
Valve clearance adjustment ............ 8-85
Throttle lever adjustment ................ 8-87
Front brake pad inspection .............. 8-89
Rear brake pad inspection ............... 8-89
Inspecting the brake fluid level ....... 8-91
Brake fluid replacement ................... 8-95
Front brake adjustment.................... 8-97
Rear brake lever adjustment ........... 8-99
Cable inspection and
lubrication ..................................... 8-103
Brake lever and brake pedal
lubrication ..................................... 8-105
Wheel removal ............................... 8-107
Wheel installation........................... 8-109
Battery ............................................. 8-111
Battery maintenance ...................... 8-115
Fuse replacement ........................... 8-117
Replacing the headlight bulb ........ 8-121
Headlight beam adjustment .......... 8-125
Taillight bulb replacement............. 8-127
Troubleshooting ............................. 8-129
Troubleshooting chart ................... 8-131CLEANING AND STORAGE................... 9-1
A. Cleaning ......................................... 9-1
B. Storage ........................................... 9-7
SPECIFICATIONS ................................. 10-1
HOW TO USE THE CONVERSION
TABLE ................................................... 11-1
91011

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Never carry passenger on an ATV.
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Always avoid operating an ATV on any
paved surfaces, including sidewalks, drive-
ways, parking lots and streets.
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Never operate an ATV on any public street,
road or highway, even a dirt or gravel one.
l
Never operate an ATV without wearing an
approved motorcycle helmet that fits prop-
erly. You should also wear eye protection
(goggles or face shield), gloves, boots,
long-sleeved shirt or jacket, and long pants.
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Never consume alcohol or drugs before or
while operating this ATV.
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Never operate at speeds too fast for your
skills or the conditions. Always go at a
speed that is proper for the terrain, visibility
and operating conditions, and your experi-
ence.
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Never attempt wheelies, jumps, or other
stunts.

4-3
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1. Park indicator light “P”
2. Reverse indicator light “R”
3. Neutral indicator light “N”
4. Coolant temperature warning light “ ”
5. Four-wheel-drive indicator light “ ”
1. Témoin de stationnement “P”
2. Témoin de marche arrière “R”
3. Témoin de point mort “N”
4. Témoin d’avertissement de la température du liquide de
refroidissement “ ”
5. Témoin 4x4 “ ”
1. Luz de indicatora de estacionamiento “P”
2. Luz de control de marcha atrás “R”
3. Luz de control de punto muerto “N”
4. Luz de aviso de la temperatura del refrigerante “ ”
5. Luz de control del modo de tracción de cuatro
ruedas “ ”
EBU00043
Indicator lights
EBU00609
Park indicator light “P”
This indicator light comes on when the drive
select lever is in the “P” (park) position.
EBU00602
Reverse indicator light “R”
This indicator light comes on when the trans-
mission is in reverse.
EBU00603
Neutral indicator light “N”
This indicator light comes on when the trans-
mission is in neutral.
EBU00713
Coolant temperature warning light “ ”
When the coolant temperature reaches a spec-
ified level, this light comes on to warn that the
coolant temperature is too hot. If the light
comes on during operation, stop the engine as
soon as it is safe to do so and allow the engine
to cool down for about 10 minutes.

4-5
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The coolant temperature warning light circuit
can be checked according to the procedure on
page 4-7.
CAUTION:

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The engine may overheat if the ATV is
overloaded. If this happens, reduce the
load to specification.
l
Restart after making sure that the light is
out. Continuous use while the light is on
may cause damage to the engine.
EBU00605
Four-wheel-drive indicator light “ ”
This indicator light comes on when the
2WD/4WD switch is in the 4WD position.
NOTE:

Due to the synchronizing mechanism in the dif-
ferential gear case, the light may not come on
until the ATV starts moving.

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EBU00061
On command four-wheel drive switch
“2WD/4WD”
To change from two-wheel drive (2WD) to
four-wheel drive (4WD), stop the ATV and set
the switch to the 4WD position.
To change from four-wheel drive (4WD) to
two-wheel drive (2WD), stop the ATV and set
the switch to the 2WD position.
WARNING

Always stop the ATV before changing from
2WD to 4WD or from 4WD to 2WD. The ATV
handles differently in 2WD than in 4WD in
some circumstances. Changing from 2WD to
4WD or vice-versa while moving may cause
the ATV to unexpectedly handle differently.
This could distract the operator and increase
the risk of losing control and an accident.
1. Four-wheel drive switch “2WD/4WD”
1. Contacteur de commande du mode de traction
“2WD/4WD”
1. Interruptor de modo de tracción “2WD/4WD”

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EBU00113
PRE-OPERATION CHECKS
Before using this machine, check the following points:
ITEM ROUTINE PAGE
Brakes
• Check operation, free play, fluid level and fluid leakage.
• Fill with DOT 4 brake fluid if necessary.5-7 ~ 5-9,
8-91 ~ 8-95
Fuel
• Check fuel level.
• Fill with fuel if necessary.5-11 ~ 5-13
Engine oil
• Check oil level.
• Fill with oil if necessary.5-15 ~ 5-17,
8-31 ~ 8-41
Coolant reservoir
• Check coolant level.
• Fill with coolant if necessary.8-53 ~ 8-63
Final gear oil/
Differential gear oil
• Check for leakage. 5-19, 8-41 ~ 8-51
Throttle
• Check for proper throttle cable operation. 5-21, 8-87
Wheels and tires
• Check tire pressure, wear and damage.5-25 ~ 5-31,
8-107 ~ 8-109
Fittings and Fasteners
• Check all fittings and fasteners. 5-21
Lights
• Check for proper operation. 5-23, 8-121 ~ 8-127
Front axle boots
• Check for damage. 8-63

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EBU00676
Parking on a slope
WARNING
Avoid parking on hills or other inclines. Park-
ing on a hill or other incline could cause the
ATV to roll out of control, increasing the
chance of an accident. If you must park on an
incline, place the machine transversely across
the incline, apply the parking brake, and block
the front and rear wheels with rocks or other
objects. Do not park the ATV at all on hills that
are so steep you could not walk up them easi-ly.
1. Bring the machine to a stop by applying
the brakes.
2. Stop the engine.
3. With the rear brake applied, shift the drive
select lever to the park position.

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During operation
Always keep your feet on the footboards dur-
ing operation. Otherwise your feet may contact
the rear wheels.
WARNING

Always keep both hands on the handlebars
and both feet on the footboards of your ATV
during operation. Removing even one hand or
foot can reduce your ability to control the ATV
or could cause you to lose your balance and
fall off of the ATV. If you remove a foot from a
footboard, your foot or leg may come into con-
tact with the rear wheels, which could injure
you or cause an accident.
Avoid wheelies and jumping. You may lose
control of the machine or overturn.
WARNING

Never attempt stunts, such as wheelies or
jumps. Don’t try to show off.

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With the engine idling, shift the drive select le-
ver into low or high. Then release the parking
brake. Apply the throttle slowly and smoothly.
The centrifugal clutch will engage and you will
start to accelerate. If the throttle is applied too
abruptly, the front wheels may lift off the
ground resulting in a loss of directional con-
trol. Avoid higher speeds until you are thor-
oughly familiar with the operation of your ATV.
When slowing down or stopping, release the
throttle and apply the brakes smoothly and
evenly. Improper use of the brakes can cause
the tires to lose traction, reducing control and
increasing the possibility of an accident.CAUTION:Do not shift from low to high or vice versa
without coming to a complete stop. Damageto the engine or drive train may occur.

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TURNING YOUR ATV
To achieve maximum traction while riding off-
road, the two rear wheels are mounted solidly
on one axle and turn together at the same
speed. Therefore, unless the wheel on the in-
side of the turn is allowed to slip or lose some
traction, the ATV will resist turning. A special
turning technique must be used to allow the
ATV to make turns quickly and easily. It is es-
sential that this skill be learned first at low
speed.
WARNING
Always follow proper procedures for turning
as described in this Owner’s Manual. Practice
turning at low speeds before attempting to
turn at faster speeds. Do not turn at speedstoo fast for your skills or the conditions.