2001 YAMAHA WARRIOR 350 engine

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1. Throttle lever
1. Levier d’accélération
1. Palanca de aceleración
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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.

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1. Locknut 2. Adjuster a. 12 mm
1. Contre-écrou 2. Dispositif de réglage
1. Contratuerca 2. Ajustador
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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 8-37.

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Clutch lever
The clutch lever is located on the left handlebar
and the ignition circuit cut-off system is incor-
porated in the clutch lever holder. Pull the
clutch lever to the handlebar to disengage the
clutch, and release the lever to engage the
clutch. The lever should be pulled rapidly and
released slowly for smooth clutch operation.
(Refer to “Starting a cold engine” for a descrip-
tion of the ignition circuit cut-off system.)
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Front brake lever
The front brake lever is located on the right
handlebar. Pull it toward the handlebar to ap-
ply the front brake.
1. Clutch lever
1. Levier d’embrayage
1. Palanca de embrague
1. Front brake lever
1. Levier de frein avant
1. Palanca del freno delantero

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Parking brake
Use the parking brake when you have to start
the engine or park the machine, especially on a
slope. Squeeze the clutch lever while pushing
the button, then push in the lock plate to apply
the parking brake. Squeeze the clutch lever to
release the parking brake.
NOTE:

When the parking brake is used, engine speed
is limited to 2,300 r/min. Be sure the parking
brake is released before moving the throttle le-
ver. Otherwise, the engine will misfire, pre-
venting normal operation.
1. Button 2. Lock plate
1. Bouton 2. Verrou
1. Botón 2. Placa de bloqueo
1. Lock position
1. Position bloquée
1. Posición de bloqueo

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WARNING

l
Always set the parking brake before start-
ing the engine. The ATV could start mov-
ing unexpectedly if the parking brake is
not applied. This could cause loss of con-
trol or a collision.
l
Always be sure you have released the
parking brake before you begin to ride.
The brake could overheat if you ride the
ATV without releasing the parking brake.
You could lose braking performance
which could cause an accident. You could
also wear out the brakes prematurely.

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Shift pedal
This machine is equipped with a constant-
mesh 6-speed transmission. The shift pedal is
located on the left side of the engine and is
used in combination with the clutch when
shifting.
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Drive select lever
The drive select lever is used for driving the
machine either forward or in reverse. Refer to
page 6-11 for drive select lever operation.
1. Shift pedal N. Neutral
1. Pédale de sélection N. Point mort
1. Pedal del cambio N. Punto muerto
1. Drive select lever
1. Levier de présélection
1. Palanca de selección de gama

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

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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 page 6-3.)
A. Starter (choke) 1. Fully open
2. Half open 3. Closed
A. Starter (enrichisseur) 1. Complètement ouvert
2. Mi-ouvert 3. Fermé
A. Starter (choke) 1. Abre completamente
2. Semiabierto 3. Cerrado