2018 YAMAHA YZF-R1 engine

Instrument and control functions
4-37
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EAU80200
Fuel tank overflow hoseBefore operating the vehicle:
Check the fuel tank overflow hose
connection.

Check the fuel tank overflow hose
for cracks or damage, and replace
it if necessary.

Make sure that the end of the fuel
tank overflow hose is not blocked,
and clean it if necessary.

Make sure that the end of the fuel
tank overflow hos e is positioned as
shown.
TIPSee page 7-12 for canister information.
EAU13434
Catalytic converterThis model is equipped with a catalytic
converter in the exhaust system.
WARNING
EWA10863
The exhaust system is hot after op-
eration. To prevent a fire hazard or
burns:
Do not park the vehicle near
possible fire hazards such as
grass or other materials that
easily burn.

Park the vehicle in a place
where pedestrians or children
are not likely to touch the hot
exhaust system.

Make sure that the exhaust sys-
tem has cooled down before do-
ing any maintenance work.

Do not allow the engine to idle
more than a few minutes. Long
idling can cause a build-up ofheat.
NOTICE
ECA10702
Use only unleaded gasoline. The use
of leaded gasoline will cause unre-
1. Clamp
2. Paint mark
3. Fuel tank overflow hose
1
2
3
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Instrument and control functions
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12 2. Note down the CCU serial num-
ber.
3. Turn the key to “ON” and approach the vehicle with a wireless capable smartphone or tablet.
4. Connect to the wireless network “YAMAHA MOTOR CCU” by in-
putting the CCU serial number as
the password.
5. Install the seat cover and GPS re- ceiver to the original position, and
then install the screws.
TIPSince all CCU-equipped models put out
a similarly named wireless network,
have only one vehicle turned on at atime to avoid confusion.
EAU66920
Document storageA document storage space is located
under panel C. (See page 7-8.)
When storing the owner’s manual or
vehicle registration and insurance doc-
uments in the document storage space,
be sure to wrap them in a plastic bag so
that they will not get wet. When wash-
ing the vehicle, avoid letting water enter
the document storage space.NOTICE
ECA22540
Do not place heat-sensitive items in
the document storage space. This
space can get hot when the engine
is running or when the vehicle is in
1. Screw
2. Seat cover
3. GPS receiver
1. CCU serial number1
1
2
3
1
1. Document storage space
2. Panel C
1
2
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Instrument and control functions
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3. Tighten the locknut to the specified
torque. NOTICE: Always tighten
the locknut against the adjust-
ing ring, and then tighten the
locknut to the specified
torque.
[ECA22760] EAU67050
EXUP systemThis model is equipped with Yamaha’s
EXUP (EXhaust Ultimate Power valve)
system. This system boosts engine
power by means of a valve that controls
exhaust flow within the exhaust cham-
ber.NOTICE
ECA15611
The EXUP system has been set and
extensively tested at the Yamaha
factory. Changing these settings
without sufficient technical knowl-
edge may result in poor perfor-mance of or damage to the engine.
1. Spring preload adjusting ring
2. Locknut
1. Distance A
1
(a) (b)
2
1
Spring preload:
Minimum (soft):Distance A = 0 mm (0.00 in)
Standard:
Distance A = 4 mm (0.16 in)
Maximum (hard): Distance A = 9 mm (0.35 in)
Tightening torque: Locknut:25 N·m (2.5 kgf·m, 18 lb·ft)
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Instrument and control functions
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EAU57952
Ignition circuit cut-off systemThis system prevents in-gear engine
starts unless the clutch lever is pulled
and the sidestand is up. Also, it will stop
the running engine should the sides-
tand be lowered while the transmission
is in gear.
Periodically check this system via the
following procedure.TIP
This check is most reliable if per-
formed with a warmed-up engine.

See pages 4-2 and 4-3 for switchoperation information.
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Instrument and control functions
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With the engine turned off:
1. Move the sidestand down.
2. Set engine stop s witch to run position.
3. T urn m ain switch to on position.
4. Shift tr ansmission into neutr al.
5. Push the start switch.
Does the engine start?
With the engine still r unning:
6. Move the sidestand up.
7. Pull the clutch lever.
8. Shift tr ansmission into gear.
9. Move the sidestand down.
Does the en gine stall?
After the engine has stalled:
10.

Move the sidestand up.
11. Pull the clutch lever.
12. Push the start switch.
Does the engine start?
The system is OK. The motorcycle can be ridden.
YES NO
YES
NO
YES
NO
The neutral switch ma y not be working.
The motorcycle should not be ridden until
checked b y a Yamaha dealer.
The clutch s witch may not be working.
The motorcycle should not be ridden until
checked b y a Yamaha dealer.The sidestand s witch may not be working.
The motorcycle should not be ridden until
checked b y a Yamaha dealer.If a malfunction is found, have the vehicle
inspected before riding.
WARNING
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5-1
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For your safety – pre-operation checks
EAU15599
Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection
and maintenance procedures and schedules described in the Owner’s Manual.
WARNING
EWA11152
Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage.
Do not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures provided inthis manual, have the vehicle inspected by a Yamaha dealer.
Before using this vehicle, check the following points:
ITEM CHECKS PAGE
Fuel Check fuel level in fuel tank.
Refuel if necessary.
Check fuel line for leakage.
Check fuel tank breather hose and overflow hose for obstructions, cracks or
damage, and check hose connections. 4-35, 4-37
Engine oil Check oil level in engine.
If necessary, add recommended oil to specified level.
Check vehicle for oil leakage. 7-12
Coolant Check coolant level in reservoir.
If necessary, add recommended coolant to specified level.
Check cooling system for leakage. 7-15
Front brake Check operation.
If soft or spongy, have Yamaha dealer bleed hydraulic system.
Check brake pads for wear.
Replace if necessary.
Check fluid level in reservoir.
If necessary, add specified brake fluid to specified level.
Check hydraulic system for leakage. 7-23, 7-24
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Operation and important riding points
EAU15952
Read the Owner’s Manual carefully to
become familiar with all controls. If
there is a control or function you do not
understand, ask your Yamaha dealer.
WARNING
EWA10272
Failure to familiarize yourself with
the controls can lead to loss of con-
trol, which could cause an accidentor injury.
EAU73461
TIPThis model is equipped with:
an inertial measurement unit (IMU)
that will stop the engine in case of
turnover. In this case, turn the
main switch off (and then back on)
before attempting to restart the en-
gine. Failing to do so will prevent
the engine from starting even
though the engine will crank when
the start switch is pushed.

an engine auto-stop system. The
engine stops automatically if left
idling for 20 minutes. In this case,
simply push the start switch to re-start the engine.
EAU79303
Starting the engineIn order for the ignition circuit cut-off
system (page 4-49) to enable starting,
one of the following conditions must be
met:
The transmission is in the neutral
position.

The transmission is in gear with
the clutch lever pulled and the sid-
estand up.
To start the engine
1. Insert the key into the main switch.
2. Set the Stop/Run/Start switch to “”.
3. Turn the main switch (key) to “ON”.
4. Confirm the following warning lights and indicator lights perform a
self-check.

Engine trouble warning light

Oil pressure and coolant tem-
perature warning light

ABS warning light

Fuel level warning light

Auxiliary system warning light

Shift indicator light

Stability control indicator light
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Operation and important riding points
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
Immobilizer system indicator
light
TIP
The oil pressure and coolant tem-
perature warning light will come
on, go off briefly, and then remain
on until the engine is started.

The ABS warning light will remainon until the vehicle starts moving.
NOTICE
ECA24110
If a warning or indicator light does
not work as described above, have aYamaha dealer check the vehicle.
5. Shift the transmission into the neu- tral position (or hold the clutch le-
ver pulled with the sidestand up).
6. Push the start switch, and release it when the engine starts.
If the engine does not start within 5
seconds of pressing the start
switch, wait 10 seconds before
pressing the switch again to allow
battery voltage to restore.
NOTICE
ECA11043
For maximum engine life, never ac-
celerate hard when the engine iscold!
EAU67082
ShiftingShifting gears lets you control the
amount of engine power available for
starting off, accelerating, climbing hills,
etc.
This model is equipped with QSS. See
pages 3-3 and 4-17.TIPTo shift into neutral ( ), gently de-
press the shift pedal from 2nd gear, orslightly raise it while in 1st gear.NOTICE
ECA22521

Even with the transmission in
1. Gear positions
2. Shift pedal
1 2 3 4
5 6
N
1
2
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