2019 YAMAHA YZF-R6 warning

Instrument and control functions
4-20
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.
EAU86071
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 same fuel identifica-
tion 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:
3.4 L (0.90 US gal, 0.75 Imp.gal)
E5
E10
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Instrument and control functions
4-22
4
EAU13435
Catalytic converterThe exhaust system contains catalytic
converter(s) to reduce harmful exhaust
emissions.
WARNING
EWA10863
The exhaust system is hot after op-
eration. To prevent a fire hazar d or
b urns:
 Do not park the vehicle near
possi ble fire hazar ds such as
g rass or other materials that
easily burn.
 Park the vehicle in a place
where pe destrians or chil dren
are not likely to touch the hot
exhaust system.
 Make sure that the exhaust sys-
tem has coole d down before
d oin g any maintenance work.
 Do not allow the en gine to i dle
more than a few minutes. Lon g
i d lin g can cause a buil d-up of
heat.
EAU79900
SeatsPassen ger seat
To remove the passenger seat1. Insert the key into the seat lock, and then turn it clockwise.
2. Lift the front of the passenger seat and pull it forward.
To install the passenger seat1. Insert the projection on the rear of the passenger seat into the seat
holder as shown, and then push
the front of the seat down to lock
it in place. 2. Remove the key.
Ri der seat
To remove the rider seat
1. Remove the passenger seat.
2. Pull up the corners on the rear of the rider seat as shown, remove
the bolts with the hexagon wrench
located under the passenger seat,
and then pull the seat off.
1. Seat lock
2. Unlock.
1
2
1. Projection
2. Seat holder
2
1
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Instrument and control functions
4-23
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.
EAU39672
Rear view mirrorsThe rear view mirrors of this vehicle
can be folded forward or backward for
parking in narrow spaces. Fold the mir-
rors back to their original position be-
fore riding.
WARNING
EWA14372
Be sure to fol d the rear view mirrors
b ack to their ori ginal position before
ri din g.
1. Bolt
1. Hexagon wrench
11
1. Seat holder
2. Projection
2
1
1. Riding position
2. Parking position1
22
1
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Instrument and control functions
4-24
4
EAU79923
A djustin g the front forkThis model is equipped with adjustable
suspension. The spring preload, re-
bound damping force, and compres-
sion damping force of each leg can be
adjusted.
WARNING
EWA10181
Always a djust both fork le gs equally,
otherwise poor han dlin g an d loss of
sta bility may result.NOTICE
ECA24120
 Use extra care to avoi d scratch-
in g the ano dize d finish of the
a d justin g nuts an d b olts when
makin g suspension ad just-
ments.
 To avoi d d amag ing the suspen-
sion’s internal mechanisms, do
not attempt to turn beyon d the
maximum or minimum settin gs.Sprin g preloa d
Turn the adjusting nut in direction (a) to
increase the spring preload. Turn the adjusting nut in direction (b) to
decrease the spring preload.
To set the spring preload, turn the ad-
juster in direction (b) until it stops, and
then count the turns in direction (a).
TIPWhen turning the spring preload ad-
juster in direction (a), it may turn be-
yond the stated specifications,
however such adjustments are ineffec-
tive and may damage the suspension.Re
boun d d ampin g force
Turn the adjusting bolt in direction (a)
to increase the rebound damping
force.
Turn the adjusting bolt in direction (b)
to decrease the rebound damping
force.
To set the rebound damping force, turn
the adjuster in direction (a) until it
stops, and then count the clicks in di-
rection (b).
1. Spring preload adjusting nut
Sprin g preloa d settin g:
Minimum (soft): 0 turn(s) in direction (a)
Standard: 6 turn(s) in direction (a)
Maximum (hard):
15 turn(s) in direction (a)(a)
(b)
1
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Instrument and control functions
4-28
4
TIP When turning the damping force
adjuster in direction (a), the 0 click
position and the 1 click position
may be the same.
 When turning the damping force
adjuster in direction (b), it may
click beyond the stated specifica- tions, however such adjustments
are ineffective and may damage
the suspension.
WARNING
EWA10222
This shock ab
sorber assem bly con-
tains hig hly pressurize d nitro gen
g as. Rea d an d un derstan d the fol-
lowin g information before han dlin g
the shock ab sorber assem bly.
 Do not tamper with or attempt
to open the cylin der assem bly.
 Do not su bject the shock a b-
sor ber assem bly to an open
flame or other hi gh heat source.
This may cause the unit to ex-
plod e due to excessive gas
pressure.
 Do not deform or damag e the
cylin der in any way. Cylin der
d amag e will result in poor
d ampin g performance.
 Do not dispose of a damag ed or
worn-out shock a bsor ber
as-
sem bly yourself. Take the shock
a b sor ber assem bly to a Yamaha
d ealer for any service.
EAU15283
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 regu-
lates the inner diameter of the exhaust
pipe. The EXUP system valve is con-
stantly adjusted in accordance with the
engine speed by a computer-con-
trolled servomotor.NOTICE
ECA10192
 The EXUP system has been set
an d extensively teste d at the
Yamaha factory. Chan gin g
these settin gs without sufficient
technical knowle dge may result
in poor performance of or dam-
a g e to the en gine.
 If the EXUP system cannot be
hear d when the main switch is
turne d on, have a Yamaha d eal-
er check it.
1. Slow compression damping force adjusting boltSlow compression dampin g setting
Minimum (soft): 18 click(s) in direction (b)
Standard: 14 click(s) in direction (b)
Maximum (hard):
1 click(s) in direction (b)
1
(a)
(b)
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Instrument and control functions
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4
EAU70641
Auxiliary DC connectorThis vehicle is equipped with an auxil-
iary DC connector. Consult your
Yamaha dealer before installing any accessories.
EAU15306
Si destan dThe sidestand is located on the left
side of the frame. Raise the sidestand
or lower it with your foot while holding
the vehicle upright.TIPThe built-in sidestand switch is part of
the ignition circuit cut-off system,
which cuts the ignition in certain situa-
tions. (See the following section for an
explanation of the ignition circuit cut-
off system.)
WARNING
EWA10242
The vehicle must not be ri dden with
the si destan d d own, or if the si de-
stan d cannot b e properly moved up
(or does not stay up), otherwise the
si destan d coul d contact the groun d
an d d istract the operator, resultin g
in a possi ble loss of control.
Yamaha’s ig nition circuit cut-off
system has been desi gne d to assist
the operator in fulfillin g the respon-
si bility of raisin g the si destan d b e-
fore startin g off. Therefore, check this system reg
ularly and have a
Yamaha dealer repair it if it does not
function properly.
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Instrument and control functions
4-31
4
With the engine turned off:
1. Move the sidestand down.
2. Set engine stop switch to run position.
3. Turn main switch to on position.
4. Shift transmission into neutral.
5. Push the start switch.
Does the engine start?
With the engine still running:
6. Move the sidestand up.
7. Pull the clutch lever.
8. Shift transmission into gear.
9. Move the sidestand down.
Does the engine 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 may not be working.
The motorcycle should not be ridden until
checked by a Yamaha dealer.
The clutch switch may not be working.
The motorcycle should not be ridden until
checked by a Yamaha dealer.The sidestand switch may not be working.
The motorcycle should not be ridden until
checked by a Yamaha dealer.If a malfunction is found, have the vehicle
inspected before riding.
WARNING
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For your safety – pre-operation checks
5-1
5
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 acci dent or equipment damag e.
Do not operate the vehicle if you fin d any pro blem. If a pro blem cannot be corrected b y the proce dures provi ded in
this manual, have the vehicle inspecte d b y 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 overflow hose for obstructions, cracks or damage, and check
hose connection. 4-19, 4-21
En gine oil • Check oil level in engine.
• If necessary, add recommended oil to specified level.
• Check vehicle for oil leakage. 7-15
Coolant • Check coolant level in reservoir.
• If necessary, add recommended coolant to specified level.
• Check cooling system for leakage. 7-19
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. 7-26, 7-27
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