2001 YAMAHA YFM660R lock

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EBU00211
Parking
When parking, stop the engine and shift into
neutral. Turn the fuel cock to “OFF” and apply
the parking brake.
1. Button 2. Lock plate
1. Bouton 2. Verrou
1. Botón 2. Placa de bloqueo
1. Lock position
1. Position de verrouillage
1. Posición de bloqueo

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EBU00214
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, put the machine in low gear, 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 easily.
1. Bring the machine to a stop by applying
the brakes in low gear.
2. Stop the engine and release the clutch le-
ver.
3. With the front and rear brakes applied, ap-
ply the parking brake and slowly release
the rear brake pedal.

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Speed limiter
For riders inexperienced with this model, this
model is equipped with a speed limiter in the
throttle lever housing. The speed limiter limits
the power and top speed of the machine. Turn-
ing the screw in decreases top speed, and turn-
ing it out increases top speed.
Loading and accessories
Use extra caution when riding the machine
with additional loads, such as accessories or
cargo. The machine’s handling may be ad-
versely affected. Reduce your speed when
adding additional loads.
1. Locknut 2. Adjusting screw
1. Contre-écrou 2. Vis de réglage
1. Contratuerca 2. Tornillo de ajuste

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WARNING
Use proper gear and maintain steady speed
when climbing a hill.
If you lose all forward speed:
Keep weight uphill.
Apply the brakes.
Lock parking brake, after you are stopped.
If you begin rolling backwards:
Keep weight uphill.
Never apply the rear brake while rolling
backwards. Apply the front brake.
When fully stopped, apply rear brake as
well, and then lock parking brake.
Dismount on uphill side or to a side if pointed
straight uphill. Turn the ATV around and re-
mount, following the procedure described in
the Owner’s Manual.

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1. Unlock
1. Déverrouiller
1. Levántelo
1. Guide 2. Air filter element
3. Element plate
1. Guide 2. Élément du filtre à air
3. Plaquette de retenue d’élément
1. Guía 2. Elemento filtrante
3. Element plate
5. Squeeze the excess solvent out of the fil-
ter element and let it dry.
CAUTION:
Do not twist the filter element when squeez-
ing it.
6. Inspect the element and replace it if dam-
aged.
7. Apply foam air filter oil to the element. If
foam air filter oil is not available, motor oil
may be used.
NOTE:
The element should be wet but not dripping.
8. Pull the element over its frame.
9. Install the element assembly.
10. Install the air filter case cover and be sure
to connect the hose.

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EBU00303
Valve clearance adjustment
The correct valve clearance changes with use,
resulting in improper fuel/air supply or engine
noise. To prevent this, the valve clearance
must be adjusted regularly. This adjustment
however, should be left to a professional
Yamaha service technician.
EBU00306
Reverse lock release cable adjustment
The reverse lock release cable stretches with
use, resulting in improper function. To prevent
this, the cable must be adjusted regularly. This
adjustment, however, should be left to a
Yamaha dealer.

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1. Locknut 2. Adjusting bolt
a. Throttle lever free play
1. Contre-écrou 2. Boulon de réglage
a. Jeu du levier d’accélération
1. Contratuerca 2. Perno de ajuste
a. Juego libre de la palanca del acelerador
EBU00307
Throttle lever adjustment
NOTE:
Adjust the engine idling speed before adjust-
ing the throttle lever free play.
1. Loosen the locknut.
2. Turn the adjusting bolt until the throttle le-
ver free play is 3 ~ 5 mm.
3. Tighten the locknut.

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3. Refill with the same type of brake fluid.
Mixing fluids may result in a harmful
chemical reaction and lead to poor brake
performance.
4. Be careful that water does not enter the
master cylinder when refilling. Water will
significantly lower the boiling point of the
fluid and may result in vapor lock.
5. Brake fluid may deteriorate painted sur-
faces or plastic parts. Always clean up
spilled fluid immediately.
6. Have a Yamaha dealer check the cause if
the brake fluid level goes down.