2001 YAMAHA YFM660R ignition

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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.

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1. Lights switch
2. Engine stop switch
3. Start switch “ ”
1. Contacteur d’éclairage
2. Coupe-circuit du moteur
3. Contacteur du démarreur “ ”
1. Interruptor de luces
2. Interruptor de paro del motor
3. Interruptor de arranque “ ”
EBU00053
Handlebar switches
EBU00606
Engine stop switch
Make sure that the engine stop switch is in the
“ ” position. The engine stop switch con-
trols ignition and can be used at all times to
stop the engine, especially in an emergency.
The engine will not start or run when the en-
gine stop switch is turned to “ ”.
EBU00607
Start switch “ ”
The starter motor cranks the engine when this
switch is pushed.
CAUTION:
See starting instructions prior to starting the
engine. (See page 6-3 for details.)

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EBU00069
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.)
EBU00070
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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1. Fully open 2. Half open
3. Closed
1. Complètement ouvert 2. Mi-ouvert
3. Fermé
1. Abre completamente 2. Semiabierto
3. Cerrado
NOTE:
This model is equipped with an ignition circuit
cut-off system. The engine can be started un-
der the following conditions.


When the transmission is in neutral. The
neutral indicator light should come on. If
the light does not come on, ask a Yamaha
dealer to inspect it.


When the clutch is disengaged with the
transmission in any position. However, it
is recommended to shift into neutral be-
fore starting the engine.
5. Use the starter (choke) in reference to the
figure:
Position
1: Cold engine start-
ambient temperature below 5 ˚C.
Position
2: Cold engine start-
ambient temperature at 0 ˚C ~
30˚C and warming up position.
Position
3: Cold engine start-
ambient temperature above
25˚C and warm engine start po-
sition.

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Troubleshooting chart
Starting problems or poor engine performance
1. Fuel
Check if there is fuel
in the fuel tank.There is fuel.Turn the fuel cock
lever to “OFF”.No fuel.Fuel cock is
clogged.
Clean the
fuel cock. Some fuel.Turn the fuel cock
lever to “RES”.Restart the engine.
No fuel.Supply fuel.
2. Compression
Use the electric
starter to see if
there is compression.There is compression.
Compression normal.
No compression.Ask a Yamaha dealer to
inspect.
3. Ignition
Remove the
spark plug and
check electrodes.WetWipe clean with dry cloth.
DryAttach spark plug cap and
ground to chassis.Use the
electric starter.Spark is good.Ignition system is
normal.
Spark is weak.
Adjust the spark plug gap
or replace the spark plug. No spark.
Ask a Yamaha dealer to
inspect. 4. Battery
Use the electric starter.Engine turns over
quickly.Battery is good.
Engine turns over
slowly.Check the connections.Check the
fuel flow.
Turn the fuel cock
lever to “ON”.
Remove the fuel hose
from the fuel cock.

Yuki_DATA2:HM00G210_YFM660R-60:YFM350-SPEC-E.frameEL
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Wheel travel:
Front
Rear230 mm
220 mm
Electrical:
Ignition system
Generator system
Battery type/voltage capacityDC-C.D.I.
A.C. Magneto
YTX14-BS/12 V, 12 AH
Headlight type: Krypton bulb
Bulb voltage, wattage
× quantity:
Headlight
Tail/brake light
Indicator/warning lights:
Neutral
Reverse
Coolant temperature12 V, 30 W/30 W × 2
12 V, 5 W/21 W × 1
12 V, 1.7 W × 1
12 V, 1.7 W × 1
12 V, 1.7 W × 1
Fuse:
Main fuse 20 AMODEL YFM660R