Yamaha Yzf R1 2007 Manual

							FEATURES
1-5
Aims and advantages of using YCC-I system
 Improvement of the engine power characteristics
The high power design in all ranges is now provided by having both two features of the short 
intake function to ensure the power at the high speed revolution of engine, and the long intake 
function to ensure the power in the practical use range.
 Intake pipe length switching control using the motor
The intake pipe length switching operation in a minute time is now available by means of the motor 
drive using the electronic control.The smooth power characteristic is provided, which does not let 
an operator feel the switching action by the optimization of its switching revolution number and the 
most suitable application of engine at the time of changing the revolution.
A. Down position (long intake) 
(Low rpm to Mid rpm)
B. Up position (short intake) 
(High rpm) 
						

							FEATURES
1-6
YCC-T/YCC-I system outline
1.  Throttle position sensor (for throttle cable 
pulley)
2. Throttle servo motor
3. Throttle position sensor (for throttle valves)
4. ECU (engine control unit)
5. ETV main CPU (32 bit)
6. ETV sub CPU (16 bit)
7. FI CPU (32 bit)
8. Throttle servo motor driver
9. Throttle servo motor driver operation sens-
ing/shut off circuit
10.Throttle servo motor driver operation sensing 
feedback/emergency stop
11.Emergency stop
12.Engine revolution (pulse signal)
13.Sensor input
14.Neutral switch
15.Crankshaft position sensor
16.Speed sensor
17.Coolant temperature sensor
18.Atmospheric pressure sensor19.Intake funnel servo motor driver
20.Intake funnel servo motor 
						

							FEATURES
1-7
YCC-T/YCC-I control outline
1. Throttle position sensor (for throttle cable 
pulley)
2. Throttle position sensor (for throttle valves)
3. Crankshaft position sensor
4. Speed sensor
5. Coolant temperature sensor
6. Neutral switch
7. Atmospheric pressure sensor
8. Accelerator position (two signals)
9. Throttle position (two signals)
10.Engine revolution
11.Vehicle speed
12.Coolant temperature
13.Neutral/In gear
14.Atmospheric pressure15.Throttle servo motor
16.ECU (engine control unit)
17.Base map
18.Idle speed control
19.Calculated throttle valve opening angle
20.Base map
21.Air funnel position (Calculation value)
22.Intake funnel servo motor 
						

							FEATURES
1-8
EAS4C81024
INSTRUMENT FUNCTIONS
Multi-function meter unit
WARNING
EWA4C81008
Be sure to stop the vehicle before making 
any setting changes to the multi-function 
meter unit.
The multi-function meter unit is equipped with 
the following:
 a speedometer (which shows the riding 
speed)
 a tachometer (which shows engine speed)
 an odometer (which shows the total distance 
traveled)
 two tripmeters (which show the distance trav-
eled 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 coolant temperature display
 an air intake temperature display
 a self-diagnosis device
 a display brightness and shift timing indicator 
light control mode
NOTE:
 Be sure to turn the key to “ON” before using 
the “SELECT” and “RESET” buttons. To switch the speedometer and odometer/
tripmeter displays between kilometers and 
miles, press the “SELECT” button for at least 
one second.
Tachometer
The electric tachometer allows the rider to 
monitor the engine speed and keep it within 
the ideal power range.
When the key is turned to “ON”, the tachome-
ter needle will sweep once across the r/min 
range and then return to zero r/min in order to 
test the electrical circuit.
CAUTION:
ECA4C81017
Do not operate the engine in the tachome-
ter red zone.
Red zone: 13750 r/min and above
Clock mode
Turn the key to “ON”.
To 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.
1. Clock
2. Speedometer
3. “SELECT” button
4. “RESET” button
5. Tachometer
6. Coolant temperature display/air intake tem-
perature display
7. Odometer/tripmeters/fuel reserve tripme-
ter/ stopwatch
8. Shift timing indicator light
1. Tachometer
2. Tachometer red zone
1. Clock 
						

							FEATURES
1-9
4. Push the “RESET” button to set the min-
utes.
5. Push the “SELECT” button and then 
release it to start the clock.
Odometer, tripmeter, and stopwatch modes
Push the “SELECT” button to switch the dis-
play between the odometer mode “ODO” and 
the tripmeter modes “TRIP A” and “TRIP B” 
and the stopwatch mode in the following order:
TRIP A → TRIP B → ODO → Stopwatch → 
TRIP A
If the fuel level warning light comes on, the 
odometer display will automatically change to 
the fuel reserve tripmeter mode “F-TRIP” and 
start counting the distance traveled from that 
point. In that case, push the “SELECT” button 
to switch the display between the various trip-
meter, odometer, and stopwatch modes in the 
following order:
F-TRIP → Stopwatch → TRIP A → TRIP B → 
ODO → F-TRIP
To reset a tripmeter, select it by pushing the 
“SELECT” button, and then push the “RESET” 
button for at least one second. If you do not 
reset the fuel reserve tripmeter manually, it will 
reset itself automatically and the display will 
return to the prior mode after refueling and 
traveling 5 km (3 mi).
Stopwatch mode
To change the display to the stopwatch mode, 
select it by pushing the “SELECT” button. (The 
stopwatch digits will start flashing.) Release 
the “SELECT” button, and then push it again 
for a few seconds until the stopwatch digits 
stop flashing.
Standard measurement
1. Push the “RESET” button to start the stop-
watch.
2. Push the “SELECT” button to stop the stop-
watch.3. Push the “SELECT” button again to reset 
the stopwatch.
Split-time measurement
1. Push the “RESET” button to start the stop-
watch.
2. Push the “RESET” button or start switch 
“ ” to measure split-times. (The colon “:” 
will start flashing.)
3. Push the “RESET” button or start switch 
“ ” to measure split-times. (The colon “:” 
will start flashing.)
4. Push the “SELECT” button to reset the 
stopwatch.
NOTE:
To change the display back to the prior mode, 
push the “SELECT” button for a few seconds.
Coolant temperature display
The coolant temperature display indicates the 
temperature of the coolant.
Push the “RESET” button to switch the coolant 
temperature display to the air intake tempera-
ture display.
NOTE:
When the coolant temperature display is 
selected, “C” is displayed for one second, and 
then the coolant temperature is displayed.
CAUTION:
ECA4C81018
Do not operate the engine if it is over-
heated.
1. Odometer/tripmeter/fuel reserve tripmeter
1. Coolant temperature display 
						

							FEATURES
1-10
Air intake temperature display
The air intake temperature display indicates 
the temperature of the air drawn into the air fil-
ter case. Push the “RESET” button to switch 
the coolant temperature display to the air 
intake temperature display.
NOTE:
 Even if the air intake temperature is set to be 
displayed, the coolant temperature warning 
light comes on when the engine overheats.
 When the key is turned to “ON”, the coolant 
temperature is automatically displayed, even 
if the air intake temperature was displayed 
prior to turning the key to “OFF”.
 When the air intake temperature display is 
selected, “A” is displayed before the temper-
ature.
Self-diagnosis device
This model is equipped with a self-diagnosis 
device for various electrical circuits.
If any of those circuits are defective, the engine 
trouble warning light will come on, and then the 
display will indicate a two-digit error code.
This model is also equipped with a self-diagno-
sis device for the immobilizer system.If any of the immobilizer system circuits are 
defective, the immobilizer system indicator 
light will flash, and then the display will indicate 
a two-digit error code.
NOTE:
If the display indicates error code 52, this could 
be caused by transponder interference. If this 
error code appears, try the following.
1. Use the code re-registering key to start the 
engine.
NOTE:
Make sure there are no other immobilizer keys 
close to the main switch, and do not keep more 
than one immobilizer key on the same key ring! 
Immobilizer system keys may cause signal 
interference, which may prevent the engine 
from starting
2. If the engine starts, turn it off and try start-
ing the engine with the standard keys.
3. If one or both of the standard keys do not 
start the engine, take the vehicle, the code 
re-registering key and both standard keys 
to a Yamaha dealer and have the standard 
keys re-registered.
If the display indicates any error codes, note 
the code number, and then have a Yamaha 
dealer check the vehicle.
CAUTION:
ECA4C81019
If the display indicates an error code, the 
vehicle should be checked as soon as pos-
sible in order to avoid engine damage.
Display brightness and shift timing indica-
tor light control mode
1. Air intake temperature display
1. Error code display
1. Display brightness
2. Shift timing indicator light activation/deacti-
vation
3. Shift timing indicator light
4. Brightness level 
						

							FEATURES
1-11
This mode cycles through five control func-
tions, allowing you to make the following set-
tings in the order listed below.
Display brightness:
 This function allows you to adjust the bright-
ness of the displays and tachometer to suit 
the outside lighting conditions.
 Shift timing indicator light activity:
This function allows you to choose whether 
or not the indicator light should be activated 
and whether it should flash or stay on when 
activated.
 Shift timing indicator light activation:
This function allows you to select the engine 
speed at which the indicator light will be acti-
vated.
 Shift timing indicator light deactivation:
This function allows you to select the engine 
speed at which the indicator light will be 
deactivated.
 Shift timing indicator light brightness:
This function allows you to adjust the bright-
ness of the indicator light to suit your prefer-
ence.
NOTE:
In this mode, the right display shows the cur-
rent setting for each function (except the shift 
timing indicator light activity function).
To adjust the brightness of the multifunction 
meter displays and tachometer
1. Turn the key to “OFF”.
2. Push and hold the “SELECT” button.
3. Turn the key to “ON”, and then release the 
“SELECT” button after five seconds.
4. Push the “RESET” button to select the 
desired brightness level.
5. Push the “SELECT” button to confirm the 
selected brightness level. The control 
mode changes to the shift timing indicator 
light activity function.
To set the shift timing indicator light activity 
function
1. Push the “RESET” button to select one of 
the following indicator light activity settings:
 The indicator light will stay on when acti-
vated. (This setting is selected when the 
indicator light stays on.)
 The indicator light will flash when activated. 
(This setting is selected when the indicator 
light flashes four times per second.)
 The indicator light is deactivated; in other 
words, it will not come on or flash. (This setting is selected when the indicator light 
flashes once every two seconds.)
2. Push the “SELECT” button to confirm the 
selected indicator light activity. The control 
mode changes to the shift timing indicator 
light activation function.ry two seconds.)
To set the shift timing indicator light activation 
function
NOTE:
The shift timing indicator light activation func-
tion can be set between 7000 r/min and 15000 
r/min. From 7000 r/min to 12000 r/min, the indi-
cator light can be set in increments of 500 r/
min. From 12000 r/min to 15000 r/min, the indi-
cator light can be set in increments of 200 r/
min.
1. Push the “RESET” button to select the 
desired engine speed for activating the 
indicator light.
2. Push the “SELECT” button to confirm the 
selected engine speed. The control mode 
changes to the shift timing indicator light 
deactivation function.
To set the shift timing indicator light deactiva-
tion function
NOTE:
 The shift timing indicator light deactivation 
function can be set between 7000 r/min and 
15000 r/min. From 7000 r/min to 12000 r/
min, the indicator light can be set in incre-
ments of 500 r/min. From 12000 r/min to 
15000 r/min, the indicator light can be set in 
increments of 200 r/min.
 Be sure to set the deactivation function to a 
higher engine speed than for the activation 
function, otherwise the shift timing indicator 
light will remain deactivated.
1. Push the “RESET” button to select the 
desired engine speed for deactivating the 
indicator light.
2. Push the “SELECT” button to confirm the 
selected engine speed. The control mode 
changes to the shift timing indicator light 
brightness function.
To adjust the shift timing indicator light bright-
ness
1. Push the “RESET” button to select the 
desired indicator light brightness level.
2. Push the “SELECT” button to confirm the 
selected indicator light brightness level. 
The right display will return to the odometer 
or tripmeter mode. 
						

							IMPORTANT INFORMATION
1-12
EAS20180
IMPORTANT INFORMATION
EAS20190
PREPARATION FOR REMOVAL AND DISAS-
SEMBLY
1. Before removal and disassembly, remove 
all dirt, mud, dust and foreign material.
2. Use only the proper tools and cleaning 
equipment.
Refer to SPECIAL TOOLS on page 1-15.
3. When disassembling, always keep mated 
parts together. This includes gears, cylin-
ders, pistons and other parts that have 
been “mated” through normal wear. Mated 
parts must always be reused or replaced 
as an assembly.
4. During disassembly, clean all of the parts 
and place them in trays in the order of dis-
assembly. This will speed up assembly and 
allow for the correct installation of all parts.
5. Keep all parts away from any source of fire.
EAS20200
REPLACEMENT PARTS
Use only genuine Yamaha parts for all replace-
ments. Use oil and grease recommended by 
Yamaha for all lubrication jobs. Other brands 
may be similar in function and appearance, but 
inferior in quality.
EAS20210
GASKETS, OIL SEALS AND O-RINGS
1. When overhauling the engine, replace all 
gaskets, seals and O-rings. All gasket sur-
faces, oil seal lips and O-rings must be 
cleaned.
2. During reassembly, properly oil all mating 
parts and bearings and lubricate the oil 
seal lips with grease.
EAS20220
LOCK WASHERS/PLATES AND COTTER 
PINS
After removal, replace all lock washers/plates 
“1” and cotter pins. After the bolt or nut has 
been tightened to specification, bend the lock 
tabs along a flat of the bolt or nut.
1. Oil
2. Lip
3. Spring
4. Grease 
						

							IMPORTANT INFORMATION
1-13
EAS20230
BEARINGS AND OIL SEALS
Install bearings “1” and oil seals “2” so that the 
manufacturer’s marks or numbers are visible. 
When installing oil seals, lubricate the oil seal 
lips with a light coat of lithium-soap-based 
grease. Oil bearings liberally when installing, if 
appropriate.
CAUTION:
ECA13300
Do not spin the bearing with compressed 
air because this will damage the bearing 
surfaces.
EAS20240
CIRCLIPS
Before reassembly, check all circlips carefully 
and replace damaged or distorted circlips. 
Always replace piston pin clips after one use. 
When installing a circlip “1”, make sure the 
sharp-edged corner “2” is positioned opposite 
the thrust “3” that the circlip receives. 
						

							CHECKING THE CONNECTIONS
1-14
EAS20250
CHECKING THE CONNECTIONS
Check the leads, couplers, and connectors for 
stains, rust, moisture, etc.
1. Disconnect:
 Lead
 Coupler
 Connector
2. Check:
 Lead
 Coupler
 Connector
Moisture → Dry with an air blower.
Rust/stains → Connect and disconnect 
several times.
3. Check:
 All connections
Loose connection → Connect properly.
NOTE:
If the pin “1” on the terminal is flattened, bend 
it up.
4. Connect:
 Lead
 Coupler
 Connector
NOTE:
Make sure all connections are tight.
5. Check:
Continuity
(with the pocket tester)
NOTE:
 If there is no continuity, clean the terminals.
 When checking the wire harness, perform 
steps (1) to (3).
 As a quick remedy, use a contact revitalizer 
available at most part stores.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C