2002 YAMAHA YZF-R1 engine

2-1
2
EAU00026
2-DESCRIPTION Left view1. Fuse box (page 6-35)
2. Front fork compression damping force adjusting screw (page 3-20)
3. Front fork rebound damping force adjusting screw (page 3-20)
4. Front fork spring preload adjusting bolt (page 3-19)
5. Front brake fluid reservoir (page 6-26)
6. Throttle stop screw (page 6-18)
7. Shock absorber assembly spring preload adjusting ring (page 3-21)
8. Shock absorber assembly compression damping force adjusting screw (page 3-22)
9. Owner’s tool kit (page 6-1)
10. Shock absorber assembly rebound damping force adjusting screw (page 3-22)
11. Engine oil drain bolt (page 6-10)
12. Engine oil filter cartridge (page 6-10)
U5PWE0.book Page 1 Friday, December 7, 2001 5:14 PM

DESCRIPTION
2-2
2
Right view13. Luggage strap holders (page 3-23)
14. Helmet holders (page 3-18)
15. Main fuse (page 6-35)
16. Electronic fuel injection fuse (page 6-35)
17. Battery (page 6-33)
18. Rear brake fluid reservoir (page 6-26)19. Air filter element (page 6-16)
20. Radiator cap (page 6-13)
21. Coolant reservoir (page 6-12)
22. Engine oil level check window (page 6-9)
23. Engine oil filler cap (page 6-9)
U5PWE0.book Page 2 Friday, December 7, 2001 5:14 PM

3-1
3
EAU00027
3-INSTRUMENT AND CONTROL FUNCTIONS
EAU00029
Main switch/steering lock The main switch/steering lock controls
the ignition and lighting systems, and is
used to lock the steering. The various
positions are described below.
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ON
All electrical systems are supplied with
power, and the engine can be started.
The key cannot be removed.
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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 re-
moved.
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
3-2
3
EAU04492
(Parking)
The steering is locked, and the taillight,
license plate light and auxiliary lights
are on, but all other electrical systems
are off. The key can be removed.
The steering must be locked before the
key can be turned to “”.
ECA00043
CAUTION:_ Do not use the parking position for
an extended length of time, other-
wise the battery may discharge. _
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Indicator and warning lights
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Turn signal indicator lights “”
and “”
The corresponding indicator light flash-
es when the turn signal switch is
pushed to the left or right.
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Fuel level warning light “”
This warning light comes on when the
fuel level drops below approximately
3.3 L. When this occurs, refuel as soon
as possible.
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 for a few seconds, then go off,
have a Yamaha dealer check the
electrical circuit.
1. Right turn signal indicator light “”
2. Fuel level warning light “”
3. Oil level warning light “”
4. Neutral indicator light “”
5. Engine trouble warning light “”
6. High beam indicator light “”
7. Left turn signal indicator light “”
U5PWE0.book Page 2 Friday, December 7, 2001 5:14 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-3
3
EAU04301
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 for a few seconds, then go off,
have a Yamaha dealer check the
electrical circuit.
NOTE:_ Even if the oil level is sufficient, the
warning light may flicker when riding on
a slope or during sudden acceleration
or deceleration, but this is not a mal-
function. _
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Neutral indicator light “”
This indicator light comes on when the
transmission is in the neutral position.
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Engine trouble warning light “”
This warning light comes on or flashes
when an electrical circuit monitoring
the engine is defective. When this oc-
curs, have a Yamaha dealer check the
self-diagnosis system.NOTE:_ This warning light comes on for a few
seconds, then goes off when the key is
turned to “ON”, but this does not indi-
cate a malfunction. _
EAU00063
High beam indicator light “”
This indicator light comes on when the
high beam of the headlight is switched
on.
1. Right turn signal indicator light “”
2. Fuel level warning light “”
3. Oil level warning light “”
4. Neutral indicator light “”
5. Engine trouble warning light “”
6. High beam indicator light “”
7. Left turn signal indicator light “”U5PWE0.book Page 3 Friday, December 7, 2001 5:14 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-4
3
EAU04559
Engine speed indicator light
The electrical circuit of the indicator
light can be checked according to the
following procedure.
1. Turn the key to “ON”.
2. If the indicator light does not come
on for a few seconds, then go off,
have a Yamaha dealer check the
electrical circuit. (See pages 3-8–
3-10 for a detailed explanation of
the function of this indicator light
and on how to set it.)
EAU04515
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 for a few seconds, then go off,
have a Yamaha dealer check the
electrical circuit.
EC000002
CAUTION:_ Do not operate the engine if it is
overheated. _
1. Engine speed indicator light
2. Coolant temperature warning light “”
3. Coolant temperature display
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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 °C Temperature is
displayed.OK. Go ahead with riding.
117–139 °C Temperature 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 6-46 for further instructions.)
Above 140 °C Message “HI” flashes.
Warning light comes on.Stop the engine and allow it to cool.
(See the “Engine overheating” sec-
tion on page 6-46 for further in-
structions.)
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INSTRUMENT AND CONTROL FUNCTIONS
3-6
3
EAU04554
Multi-function display The multi-function display is equipped
with the following:

a speedometer (which shows the
riding speed)


an odometer (which shows the to-
tal distance traveled)


two tripmeters (which show the
distance traveled since they were
last set to zero)


a fuel reserve tripmeter (which
shows the distance traveled since
the fuel level warning light came
on)


a clock


a self-diagnosis device


a display brightness and engine
speed indicator light control mode
NOTE:_

Be sure to turn the key to “ON” be-
fore using the “SELECT” and
“RESET” buttons.


For the U.K. only: To switch the
speedometer and odometer/trip-
meter displays between kilome-
ters and miles, press the
“SELECT” button and “RESET”
button together for at least two
seconds.
_
Odometer and tripmeter modes
Pushing the “SELECT” button switches
the display between the odometer
mode “ODO” and the tripmeter modes
“TRIP 1” and “TRIP 2” in the following
order:
ODO
→ TRIP 1
→ TRIP 2
→ ODO
If the fuel level warning light comes on
(see page 3-2), the odometer display
will automatically change to the fuel re-
serve tripmeter mode “F-TRIP” and
start counting the distance traveled
from that point. In that case, pushing
the “SELECT” button switches the dis-
play between the various tripmeter and
odometer modes in the following order:
F-TRIP
→ TRIP 1
→ TRIP 2
→ ODO
→ F-TRIP
1. Multi-function display
2.“SELECT” button
3.“RESET” button
U5PWE0.book Page 6 Friday, December 7, 2001 5:14 PM