warning YAMAHA YFM660R 2001 Owners Manual

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IMPORTANT MANUAL
INFORMATION
FAILURE TO FOLLOW THE WARNINGS CON-
TAINED IN THIS MANUAL CAN RESULT IN SE-
RIOUS INJURY OR DEATH.
Particularly important information is distin-
guished in this manual by the following nota-
tions:
The Safety Alert Symbol means ATTENTION!
BECOME ALERT! YOUR SAFETY IS IN-
VOLVED!
WARNING
Failure to follow WARNING instructions
could result in severe injury or death to the
machine operator, a bystander or a person
inspecting or repairing the machine.

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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 and warning lights ............. 4-3
Handlebar switches.......................... 4-11
Throttle lever .................................... 4-15
Speed limiter .................................... 4-17
Clutch lever ....................................... 4-19
Front brake lever .............................. 4-19
Rear brake pedal .............................. 4-21
Parking brake .................................... 4-23
Shift pedal......................................... 4-27Reverse knob .....................................4-27
Fuel tank cap .....................................4-29
Fuel cock ............................................4-29
Starter (choke) ...................................4-31
Seat ....................................................4-33
Front shock absorber adjustment....4-35
Rear shock absorber adjustment .....4-37
PRE-OPERATION CHECKS .....................5-1
Front and rear brakes .........................5-5
Fuel.......................................................5-9
Engine oil ...........................................5-13
Coolant...............................................5-17
Chain ..................................................5-19
Throttle lever .....................................5-21
Fittings and Fasteners ......................5-21
Lights .................................................5-21
Switches ............................................5-21
Tires ...................................................5-23
How to measure tire pressure .........5-27
Tire wear limit ...................................5-291
2
3
4
5

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1-1
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LOCATION OF THE WARNING AND
SPECIFICATION LABELS

2-17
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WARNING


Always turn off the engine when refuel-
ing.


Do not refuel right after the engine has
been running and is still very hot.


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.


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.


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.

2-19
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WARNING
Always operate your machine in an area with
adequate ventilation. Never start or run the
engine in a closed area. Exhaust fumes are poi-
sonous and may cause loss of consciousness
and death within a short time.

4-3
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1. Reverse indicator light “R”
2. Neutral indicator light “N”
3. Coolant temperature warning light “ ”
1. Témoin de marche arrière “R”
2. Témoin de point mort “N”
3. Témoin d’avertissement de la température du liquide de
refroidissement “ ”
1. Luz de control de marcha atrás “R”
2. Luz de control de punto muerto “N”
3. Luz de aviso de la temperatura del
refrigerante “ ”
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Indicator and warning lights
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Reverse indicator light “R”
This indicator light comes on when the trans-
mission is in reverse.
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Neutral indicator light “N”
This indicator light comes on when the trans-
mission is in neutral.

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


The engine may overheat if the ATV is
overloaded. If this happens, reduce the
load to specification.


Restart after making sure that the light is
out. Continuous use while the light is on
may cause damage to the engine.

4-7
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Coolant temperature warning light checking method
ACB-09E
Turn the main switch to “ON” and
the engine stop switch to “ ”.
Coolant temperature warning
light does not come on.Coolant temperature
warning light comes on.
Coolant temperature
warning light does
not come on.
Coolant temperature and
electrical circuit are OK.
Go ahead with riding.
Push the start switch with the
transmission in the neutral position.
Ask a Yamaha dealer to
inspect the electrical circuit.
Coolant temperature
warning light comes
on momentarily.

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Throttle lever
Once the engine is running, movement of the
throttle lever will increase the engine speed.
Regulate the speed of the machine by varying
the throttle position. Because the throttle is
spring-loaded, the machine will decelerate,
and the engine will return to an idle any time
the hand is removed from the throttle lever.
Before starting the engine, check the throttle to
be sure it is operating smoothly. Make sure it
returns to the idle position as soon as the lever
is released.
WARNING
Malfunction of the throttle could make it diffi-
cult to speed up or slow down when you need
to. This could cause an accident. Check the op-
eration of the throttle lever before you start
the engine. If the throttle does not work
smoothly, check for the cause. Correct the
problem before riding the ATV or consult a
Yamaha dealer.
1. Throttle lever
1. Levier d’accélération
1. Palanca de aceleración

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Speed limiter
The speed limiter keeps the throttle from fully
opening, even when the throttle lever is
pushed to the maximum. Screwing in the ad-
juster limits the maximum engine power avail-
able and decreases the maximum speed of the
ATV.
WARNING
Improper adjustment of the speed limiter and
throttle could cause throttle cable damage or
improper throttle operation. You could lose
control, have an accident or be injured. Do not
turn the speed adjuster out more than 12 mm
or the throttle cable could be damaged. Al-
ways make sure the throttle lever free play is
adjusted to 3 ~ 5 mm. See page 8-57.
1. Locknut 2. Adjuster a. 12 mm
1. Contre-écrou 2. Dispositif de réglage
1. Contratuerca 2. Ajustador