2020 YAMAHA YZF-R1 ECU

Safety information
1-5
1operator and may limit control
ability, therefore, such accesso-
ries are not recommended.
 Use caution when adding electri-
cal accessories. If electrical ac-
cessories exceed the capacity of
the motorcycle’s electrical sys-
tem, an electric failure could re-
sult, which could cause a
dangerous loss of lights or engine
power.
Aftermarket Tires an d Rims
The tires and rims that came with your
motorcycle were designed to match
the performance capabilities and to
provide the best combination of han-
dling, braking, and comfort. Other
tires, rims, sizes, and combinations
may not be appropriate. See page 7-19
for tire specifications and for informa-
tion on servicing and replacing your
tires.
Transportin g the Motorcycle
Be sure to observe following instruc-
tions before transporting the motorcy-
cle in another vehicle. 
Remove all loose items from the
motorcycle.
 Check that the fuel cock (if
equipped) is in the off position and
that there are no fuel leaks.
 Shift the transmission into gear
(for models with a manual trans-
mission).
 Secure the motorcycle with tie-
downs or suitable straps that are
attached to solid parts of the mo-
torcycle, such as the frame or up-
per front fork triple clamp (and not,
for example, to rubber-mounted
handlebars or turn signals, or
parts that could break). Choose
the location for the straps carefully
so the straps will not rub against
painted surfaces during transport.
 The suspension should be com-
pressed somewhat by the tie-
downs, if possible, so that the mo-
torcycle will not bounce exces-
sively during transport.
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Special features
3-2
3
This traction control system automati-
cally adjusts according to the vehicle’s
lean angle. To maximize acceleration,
when the vehicle is upright a less
amount of traction control is applied.
When cornering, a greater amount of
traction control is applied.
TIP
The traction control system may
engage when the vehicle travels
over a bump.
 You may notice slight changes in
engine and exhaust sounds when
the traction control or other YRC
systems engage.
 When TCS is turned off, SCS,
LCS, and LIF are also turned off
automatically.
WARNING
EWA15433
The traction control system is not a
substitute for ri din g appropriately
for the con ditions. Traction control
cannot prevent loss of traction d ue
to excessive spee d when enterin g
turns, when acceleratin g har d at a
sharp lean an gle, or while brakin g,
an d cannot prevent front wheel slip-
pin g. As with any vehicle, approach
surfaces that may be slippery with
caution an d avoi d especially slip-
pery surfaces.When the key is turned to “ON”, the
traction control system automatically
turns on. The traction control system
can be turned on or off manually only
when the key is in the “ON” position
and the motorcycle is stopped.TIPTurn the traction control system off to
help free the rear wheel if the motorcy-
cle gets stuck in mud, sand, or other
soft surfaces.
NOTICE
ECA16801
Use only the specifie d tires. (See
pa ge 7-19.) Usin g different size d
tires will prevent the traction control
system from controllin g tire rotation
accurately.SCS
The slide control system regulates en-
gine power output when a sideward
slide is detected in the rear wheel. It
adjusts power output based on data
from the IMU. This system supports
the TCS to contribute to a smoother
ride.
EBM
The engine brake management system
reduces engine torque when deceler-
ating. The fuel injection, ignition timing,
and electronic throttle valve are elec-
tronically adjusted by the ECU. There
are 3 settings to suit the track, riding
conditions, or your personal prefer-
ence.
TCS
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Special features
3-5
3
EAU66313
GlossaryABS - Anti-lock Brake System
ABS ECU - Anti-lock Brake System
Electronic Control Unit
BC - Brake Control
CCU - Communication Control Unit
EBM - Engine Brake Management
ECU - Engine Control Unit
ERS - Electronic Racing Suspension
GPS - Global Positioning System
IMU - Inertial Measurement Unit
LCS - Launch Control System
LIF - Lift Control System
PWR - Power delivery mode
QS - Quick Shift
QSS - Quick Shift System
SC - Stability Control
SCS - Slide Control System
SCU - Suspension Control Unit
TCS - Traction Control System
YRC - Yamaha Ride ControlUB3LE0E0.book Page 5 Tuesday, July 23, 2019 12:05 PM

Instrument and control functions
4-1
4
EAU1097A
Immo bilizer systemThis vehicle is equipped with an immo-
bilizer system to help prevent theft by
re-registering codes in the standard
keys. This system consists of the fol-
lowing:
 a code re-registering key
 two standard keys
 a transponder (in each key)
 an immobilizer unit (on the vehicle)
 an ECU (on the vehicle)
 a system indicator light (page 4-7) A
bout the keys
The code re-registering key acts like a
master key. It is used to register codes
in each standard key. Store the code
re-registering key in a safe place. Use
a standard key for daily operation.
When key replacement or re-register-
ing is necessary, bring the vehicle and
the master key along with any remain-
ing standard keys to a Yamaha dealer
to have them re-registered.
TIP Keep the standard keys as well as
keys of other immobilizer systems
away from the code re-registering
key.
 Keep other immobilizer system
keys away from the main switch
as they may cause signal interfer-
ence.NOTICE
ECA11823
DO NOT LOSE THE CODE RE-REG-
ISTERING KEY! CONTACT YOUR
DEALER IMMEDIATELY IF IT IS
LOST! If the cod e re-registering key
is lost, the existin g stan dar d keys
can still be used to start the vehicle. However, re
gisterin g a new stan-
d ar d key is impossi ble. If all keys
have been lost or damag ed , the en-
tire immo bilizer system must be re-
place d. Therefore, han dle the keys
carefully.  Do not su bmerse in water.
 Do not expose to hi gh tempera-
tures.
 Do not place near ma gnets.
 Do not place near items that
transmit electrical si gnals.
 Do not han dle rou ghly.
 Do not grin d or alter.
 Do not disassem ble.
 Do not put two keys of any im-
mo bilizer system on the same
key rin g.
1. Code re-registering key (red bow)
2. Standard keys (black bow)UB3LE0E0.book Page 1 Tuesday, July 23, 2019 12:05 PM

Instrument and control functions
4-14
4
Warnin
g icons
When an error is detected, the follow-
ing error-related warning icons will
then be viewable.
SCU trou ble warnin g“” (YZF-R1M)This icon appears if a problem is de-
tected in the front or rear suspension.
Auxiliary system warnin g“”
This icon appears if a problem is de-
tected in a non-engine-related system. Coolant temperature warnin
g“”
This icon appears if the coolant tem-
perature reaches 117 °C (242 °F) or
higher. Stop the vehicle and turn off the
engine. Allow the engine to cool.
NOTICE
ECA10022
Do not continue to operate the en-
g ine if it is overheatin g.Oil pressure warnin g“”
This icon appears when the engine oil
pressure is low. When the vehicle is
first turned on, engine oil pressure has
yet to build, so this icon will come on
and stay on until the engine has been
started.TIPIf a malfunction is detected, the oil
pressure warning icon will flash repeat-
edly.NOTICE
ECA26410
Do not continue to operate the en-
g ine if the oil pressure is low.
Error mo de warnin g “Err”
When an internal error occurs (e.g.,
communication with a system control-
ler has been cut off), the error mode
warning will appear as follows.
“Err” and “ ” indicates an ECU error.
“Err” and “ ” indicates an SCU error.
“Err” only indicates an ABS ECU error.TIPDepending on the nature of the error,
the display may not function properly
and YRC settings may be impossible
to change. Additionally, ABS may not
function properly. Use extra care when
braking and have a Yamaha dealer
check the vehicle immediately.
1. SCU trouble warning “ ”
2. Auxiliary system warning “ ”
3. Coolant temperature warning “ ”
4. Oil pressure warning “ ”
5. Error mode warning “Err”1000 r/min
4
12
5
3
Er r
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Instrument and control functions
4-34
4

The ABS performs best with
lon g b rakin g d istances.
 On certain surfaces, such as
rou gh or g ravel roa ds, the b rak-
in g d istance may be lon ger with
the ABS than without.
BC2 incorporates standard ABS and in
addition regulates braking power when
cornering to suppress lateral wheel
slip.
WARNING
EWA20891
The brake control system is not a
su bstitute for the use of proper ri d-
in g an d brakin g techniques. The
b rake control system cannot pre-
vent all loss of traction due to over-
b rakin g from excessive spee d, or
lateral wheel slip when brakin g on
slippery surfaces.The ABS hydraulic unit is monitored by
the ABS ECU, which will revert the sys-
tem to conventional braking if a mal-
function occurs.
TIPThe ABS performs a self-diagnosis test
when the vehicle is started and reach-
es a speed of 10 km/h (6 mi/h). During
this test, a clicking noise may be audi-
ble from the hydraulic control unit, and
a vibration may be felt at the brake le-
ver or pedal, but this is normal.NOTICE
ECA20100
Be careful not to d amage the wheel
sensor or wheel sensor rotor; other-
wise, improper performance of the
ABS will result.1. Front wheel sensor rotor
2. Front wheel sensor
1
2
1. Rear wheel sensor rotor
2. Rear wheel sensor
1
2
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Instrument and control functions
4-36
4
3. Wipe up any spilled fuel immedi- ately. NOTICE: Immediately
wipe off spille d fuel with a clean,
d ry, soft cloth, since fuel may
d eteriorate painte d surfaces or
plastic parts.
[ECA10072]
4. Be sure to securely close the fuel tank cap.
WARNING
EWA15152
Gasoline is poisonous an d can
cause injury or d eath. Handle gaso-
line with care. Never siphon gasoline
b y mouth. If you shoul d swallow
some gasoline or inhale a lot of gas-
oline vapor, or get some g asoline in
your eyes, see your doctor imme di- ately. If g
asoline spills on your skin,
wash with soap an d water. If gaso-
line spills on your clothin g, chan ge
your clothes.
EAU86072
Your Yamaha engine was designed to
use unleaded gasoline with a research
octane number of 95 or higher. If en-
gine knocking or pinging occurs, use a
gasoline of a different brand or higher
octane rating.
TIP This mark identifies the recom-
mended fuel for this vehicle as
specified by European regulation
(EN228).
 Confirm the gasoline pump nozzle
has the same fuel identification
mark.Gasohol
There are two types of gasohol: gaso-
hol containing ethanol and that con-
taining methanol. Gasohol containing
ethanol can be used if the ethanol con-
tent does not exceed 10% (E10). Gas-
ohol containing methanol is not
recommended by Yamaha because it
can cause damage to the fuel system
or vehicle performance problems.
1. Fuel tank filler tube
2. Maximum fuel level
1
2
Recommen ded fuel:
Unleaded gasoline (E10 acceptable)
Octane num ber (RON):
95
Fuel tank capacity: 17 L (4.5 US gal, 3.7 Imp.gal)
Fuel tank reserve:
3.0 L (0.79 US gal, 0.66 Imp.gal)
E5
E10
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Instrument and control functions
4-39
4
To install the rider seat
1. Insert the projection into the seatholder as shown, then place the
seat in the original position. 2. Install the bolts with the hexagon
wrench.
3. Insert the hexagon wrench back into its holder.
4. Install the passenger seat.
TIPMake sure that the seats are properly
secured before riding.
EAU67156
CCU (for equippe d mo dels)The CCU (communication control unit)
connects to the vehicle’s CAN (control-
ler area network) and has a GPS re-
ceiver to enable the recording of
vehicle and riding data (see “Logging”
on page 4-22). Logging data and YRC
setting data can be accessed when a
smartphone or tablet is connected to
the CCU wireless network.TIPFrom the Google© or Apple© applica-
tion store, download the “Y-TRAC” ap-
plication to make use of the logging
data and the “YRC Setting” application
to remotely adjust the YRC settings.To connect to the CCU wireless net-work1. Remove the screws, move the
GPS receiver, and then remove
the seat cover as shown.
1. Bolt
1. Hexagon wrench
1
1
1. Projection
2. Seat holder
21
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