2001 YAMAHA YZF-R1 engine

DESCRIPTION
2-2
2
Right view11. Owner’s tool kit (page 6-1)
12. Fuses (page 6-34)
13. Rear brake fluid reservoir (page 6-26)
14. Battery (page 6-33)
15. Shock absorber spring preload
adjusting ring (page 3-18)16. Radiator and coolant reservoir (page 6-12)
17. Front brake fluid reservoir (page 6-25)
18. Engine oil filter cartridge (page 6-9)
19. Engine oil level check window (page 6-9)
20. Brake pedal (page 3-11)
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3-1
3
EAU00027
3-INSTRUMENT AND CONTROL FUNCTIONS
EAU00029
Main switch/steering lockThe main switch/steering lock controls
the ignition and lighting systems, and is
used to lock the steering. The various
positions are described below.
EAU00036
ON
All electrical systems are supplied with
power, and the engine can be started.
The key cannot be removed.
EAU00038
OFF
All electrical systems are off. The key
can be removed.
EAU00040
LOCK
The steering is locked, and all electrical
systems are off. The key can be
removed.
To lock the steering1. Turn the handlebars all the way to
the left.
2. Push the key in from the “OFF” po-
sition, and then turn it to “LOCK”
while still pushing it.
3. Remove the key.
To unlock the steeringPush the key in, and then turn it to
“OFF” while still pushing it.
EW000016
WARNING
@ Never turn the key to “OFF” or
“LOCK” while the motorcycle is
moving, otherwise the electrical
systems will be switched off, which
may result in loss of control or an
accident. Make sure that the motor-
cycle is stopped before turning the
key to “OFF” or “LOCK”. @1. Push.
2. Turn.
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INSTRUMENT AND CONTROL FUNCTIONS
3-3
3
EAU03285
Oil level warning light “ ”
This warning light comes on when the
engine oil level is low.
The electrical circuit of the warning light
can be checked according to the fol-
lowing procedure.
1. Turn the key to “ON”.
2. If the warning light does not come
on, have a Yamaha dealer check
the electrical circuit.
NOTE:@ Even if the oil level is sufficient, the warn-
ing light may flicker when riding on a
slope or during sudden acceleration or
deceleration, but this is not a malfunction. @
EAU03205
Coolant temperature warning light
“”
This warning light comes on when the
engine overheats. When this occurs,
stop the engine immediately and allow
the engine to cool.
The electrical circuit of the warning light
can be checked according to the fol-
lowing procedure.
1. Turn the key to “ON”.
2. If the warning light does not come
on, have a Yamaha dealer check
the electrical circuit.
1. Neutral indicator light “ ”
2. High beam indicator light “ ”
3. Turn signal indicator light “ ”
4. Fuel level warning light “ ”
5. Oil level warning light “ ”
1. Coolant temperature gauge
2. Coolant temperature warning light “ ”
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INSTRUMENT AND CONTROL FUNCTIONS
3-4
3
EC000002
CAUTION:@ Do not operate the engine if it is
overheated. @
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INSTRUMENT AND CONTROL FUNCTIONS
3-5
3
CB-25E
Coolant
temperatureDisplay Conditions What to do0–39°C Message “LO” is
displayed.OK. Go ahead with riding.
40–116°CTemperature is
displayed.OK. Go ahead with riding.
117–139°CTemperature flashes.
Warning light comes on.Stop the motorcycle and allow it to
idle until the coolant temperature
goes down.
If the temperature does not go
down, stop the engine. (See the
“Engine overheating” section on
page 6-44 for further instructions.)
Above 140°CMessage “HI” flashes.
Warning light comes on.Stop the engine and allow it to cool.
(See the “Engine overheating” sec-
tion on page 6-44 for further in-
structions.)
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INSTRUMENT AND CONTROL FUNCTIONS
3-7
3To set the clock:
1. Push the “SELECT” button and
“RESET” button together for at
least two seconds.
2 When the hour digits start flashing,
push the “RESET” button to set
the hours.
3. Push the “SELECT” button, and
the minute digits will start flashing.
4. Push the “RESET” button to set
the minutes.
5. Push the “SELECT” button and
then release it to start the clock.
EAU00101
TachometerThe electric tachometer allows the rider
to monitor the engine speed and keep it
within the ideal power range.
EC000003
CAUTION:@ Do not operate the engine in the ta-
chometer red zone.
Red zone: 11,750 r/min and above @
EAU03271
Self-diagnosis devices This model is equipped with a self-di-
agnosis device for the following electri-
cal circuits:l
throttle position sensor
l
speed sensor
l
EXUP system
If any of those circuits are defective,
the tachometer will repeatedly display
the following error code:
CB-23E
1. Tachometer
2. Red zone
0 r/min for
3 seconds
Circuit-specific
number of r/min
for 2.5 seconds
(See the table
below.)
Current
engine
speed for
3 seconds
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INSTRUMENT AND CONTROL FUNCTIONS
3-8
3 Use the chart below to identify the
faulty electrical circuit.
CB-26EIf the tachometer displays such an er-
ror code, note the circuit-specific num-
ber of r/min, and then have a Yamaha
dealer check the motorcycle.
EC000004
CAUTION:@ When the tachometer displays an
error code, the motorcycle should
be checked as soon as possible in
order to avoid engine damage. @
This model is also equipped with a self-
diagnosis device for the fuel level warn-
ing light circuit. If the fuel level warning
light circuit is defective, the following
cycle will be repeated until the malfunc-
tion is corrected: The warning light will
flash eight times, then go off for three
seconds. If this occurs, have a Yamaha
dealer check the motorcycle.
EAU00109
Anti-theft alarm (optional)This motorcycle can be equipped with
an optional anti-theft alarm by a
Yamaha dealer. Contact a Yamaha
dealer for more information.
Specific r/min
Faulty electrical circuit
3,000 r/min
Throttle position sensor
4,000 r/min
Speed sensor
7,000 r/min
EXUP system
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INSTRUMENT AND CONTROL FUNCTIONS
3-9
3
EAU00118
Handlebar switches
EAU00120
Pass switch “PASS”
Press this switch to flash the headlight.
EAU00121
Dimmer switch
Set this switch to “ ” for the high
beam and to “ ” for the low beam.
EAU00127
Turn signal switch
To signal a right-hand turn, push this
switch to “ ”. To signal a left-hand
turn, push this switch to “ ”. When
released, the switch returns to the cen-
ter position. To cancel the turn signal
lights, push the switch in after it has re-
turned to the center position.
EAU00129
Horn switch “ ”
Press this switch to sound the horn.
EAU00138
Engine stop switch
Set this switch to “ ” to stop the en-
gine in case of an emergency, such as
when the motorcycle overturns or
when the throttle cable is stuck.
EAU01238
Light switch
Set this switch to “ ” to turn on the
auxiliary lights, meter lighting and tail-
lights. Set the switch to “ ” to turn on
the headlight also.
1. Pass switch “PASS”
2. Dimmer switch
3. Turn signal switch
4. Horn switch “ ”
1. Engine stop switch
2. Light switch
3. Start switch “ ”
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