2021 YAMAHA TRICITY 300 Owners Manual

Smart key system
3-9
3
2. The turn signal lights flash once
and the vehicle power turns off.
TIPWhen the main switch is turned to

confirmed (the smart key is either out-
side operation range or has been
turned off), the beeper will sound for 3
seconds and the smart key system in-
dicator light will flash for 30 seconds. During this 30 seconds, the main
switch can be freely operated.
 After 30 seconds, the vehicle
power will turn off automatically.
 To turn the vehicle power off im-
mediately, push the main switch
knob four times within 2 seconds.
EAU89022
OPEN
Power is supplied to the main switch.
The seat and fuel tank cap lid can be
opened. To open the seat and fuel tank cap lid
1. With the smart key turned on and
within operating range, push the
main switch knob.
2. While the smart key system indi- cator light is on, turn the main
switch to “OPEN”.
3. To open the seat, push the “SEAT” button, and then lift the
rear of the seat. 4. To open the fuel tank cap lid, push
the “FUEL” button.1. Push.
2. Turn.1 2
1.
1
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Smart key system
3-10
3
TIPMake sure that the seat and fuel tank
cap lid are securely closed before
starting off.
Open position reminder
To prevent you from accidentally leav-
ing the vehicle unlocked by walking
away with the main switch still in the
“OPEN” position, the smart key system
beeper will sound under the following
conditions.  When the main switch has been in
the “OPEN” position for 3 minutes
 If the smart key is turned off while
the main switch is in the “OPEN”
position
 If you walk out of range of the
smart key system with the main
switch in the “OPEN” position
If the beeper sounds after 3 minutes,
turn the main switch to “OFF” or “ ”.
If the beeper sounds because the
smart key was turned off or moved out
of range, turn the smart key on and
walk back into range.TIP The beeper will turn off after 1
minute.
 The seat can also be opened with
the mechanical key. (See page
5-18.)
EAU76521
“” (lock)
The steering is locked and all electrical
systems are off.
To lock the steering1. Turn the handlebar all the way to
the left.
2. With the smart key turned on and within operating range, push the
main switch knob.
3. While the smart key system indi- cator light is on, push and turn the
main switch to “ ”.
1. “FUEL” button
1. Fuel tank cap lid
1
1
1. Push.
2. Push and turn.1 2
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Smart key system
3-11
3
TIPIf the steering will not lock, try turning
the handlebar back to the right slightly.To unlock the steering1. With the smart key turned on andwithin operating range, push the
main switch knob.
2. While the smart key system indi- cator light is on, push and turn the
main switch to the desired posi-
tion.1. Push.
2. Push and turn.1 2
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Standin g assist
4-1
4
EAU89245
Stan din g assistThe standing assist helps the rider to
keep the vehicle upright when
stopped, or when parking. When you
press the standing assist switch, the
assist will engage to help you to keep
the vehicle at its current lean angle.
WARNING
EWA20983
 When you push the vehicle, b e
sure to turn the vehicle power
off. Otherwise uninten ded d is-
en gag in g of the stan din g assist
coul d result. 
Always disen gag e the stan din g
assist un der the followin g situa-
tions. Otherwise uninten ded
loss of b alance coul d result an d
lea d to vehicle overturn.
When travelin g on roa ds with
o bstacles (e. g. roa d humps,
si dewalk)
When the vehicle is on un- pave d or rou gh groun d.
When the vehicle is on a slope.
Gettin g on an d off
When getting on the vehicle, make
sure the vehicle power is off, and apply
the front or rear brake.
When getting off the vehicle, apply the
parking brake and turn the vehicle
power off.
WARNING
EWA20993
When the vehicle is stoppe d with the
stan din g assist en gag ed , never step
on only one footrest, nor load lug-
g ag e unevenly on the vehicle. Other- wise uninten
ded loss of b alance
may result, which coul d lea d to vehi-
cle overturn.
Stan din g assist operation
WARNING
EWA21003
The stan din g assist can b e operated
even when the vehicle is leanin g.
Therefore, keep the followin g in
mind :
 Never en gag e the stan din g as-
sist while movin g. Otherwise
the vehicle will be hel d at an un-
inten ded lean an gle, which may
result in loss of control.
 Be sure to disen gag e the stan d-
in g assist b efore startin g off.
Otherwise the stan din g assist
will uninten ded ly disen gag e,
an d may cause loss of b alance.Engaging the standing assist1. Stop the vehicle and close the
throttle completely. The standing
assist indicator light starts flash-
ing.
1. Standing assist indicator light “ ”
1
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Standin g assist
4-2
4
2. Press the standing assist switch
once.
3. The standing assist indicator light comes on and the beeper sounds
once. The assist is now engaged.
En gag in g con ditions of the stan din g
assist
The standing assist can be engaged
when the following conditions are met:  Vehicle speed is 10 km/h (6 mi/h)
or less with vehicle power on
 Engine speed is 2000 r/min or less
 Throttle grip is in fully closed posi-
tion with engine running
 Standing assist warning light is off
 Standing assist switch is on
NOTICE
ECA26993
If the vehicle battery volta ge is low,
the stan din g assist may hol d at its
current position even if the switch is
operated . To prevent this from oc-
currin g, avoi d improper use such as
the followin g:
 Pushin g the en gine start switch
an d the stan din g assist switch
at the same time. 
Operatin g the stan din g assist
repeated ly when the en gine is
not runnin g.
Disengaging the standing assist1. Stop the vehicle and hold it up-
right.
2. Press the standing assist switch twice.
3. The standing assist indicator light flashes, and the beeper sounds
twice. The assist is now disen-
gaged.
Automatic disen gag in g con ditions
of the stan din g assist
The standing assist disengages auto-
matically when one of the following
conditions is detected.  Vehicle speed is over 10 km/h (6
mi/h) with vehicle power on
 Engine speed is over 2300 r/min
 Throttle grip is turned with engine
running
WARNING
EWA21013
Do not race the en gine when
stoppe d an d the stan din g assist
is en gag ed . Otherwise the stan
din g assist will disen gag e
an d may cause a loss of bal-
ance.
 Do not coast with the vehicle
power off. Otherwise, if you turn
the vehicle power on while the
vehicle is coastin g, the stan din g
assist may disen gag e, which
coul d cause a loss of balance.
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Instrument and control functions
5-1
5
EAU4939P
In dicator li ghts an d warnin g
li g hts
EAU88900
Turn si gnal in dicator li ghts “ ”
an d“”
Each indicator light will flash when its
corresponding turn signal lights are
flashing.
EAU88910
Hi gh beam in dicator li ght “ ”
This indicator light comes on when the
high beam of the headlight is switched
on.
EAU89121
Parkin g b rake in dicator li ght “ ”
This indicator light comes on when the
parking brake is applied.
EAU88880
Coolant temperature warnin g
li g ht “ ”
This warning light comes on when the
engine is overheating. If this occurs,
stop the engine immediately and allow
the engine to cool. (See page 8-39.)
For vehicles with a radiator fan, the ra-
diator fan(s) automatically switch on or
off according to the coolant tempera-
ture.
TIPWhen the vehicle is turned on, the light
will come on for a few seconds, and
then go off. If the light does not come
on, or if the light remains on, have a
Yamaha dealer check the vehicle.NOTICE
ECA10022
Do not continue to operate the en-
g ine if it is overheatin g.
EAU88711
Malfunction in dicator li ght
(MIL) “ ”
This light comes on or flashes if a prob-
lem is detected in the engine or other
vehicle control system. If this occurs,
have a Yamaha dealer check the on-
board diagnostic system. The electri-
cal circuit of the warning light can be
checked by vehicle power on. The light
should come on for a few seconds,
and then go off. If the light does not
come on initially when the vehicle pow-
er on, or if the light remains on, have a
Yamaha dealer check the vehicle.
1. ABS warning light “ ”
2. Smart key system indicator light “ ”
3. Left turn signal indicator light “ ”
4. Coolant temperature warning light “ ”
5. Parking brake indicator light “ ”
6. Standing assist indicator light “ ”
7. High beam indicator light “ ”
8. Standing assist warning light “ ”
9. Right turn signal indicator light “ ”
10.Traction control system indicator light “ ”
11.Malfunction indicator light “ ”1
11
2
3
4
5
6
7
8
9
10
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Instrument and control functions
5-2
5
NOTICE
ECA26820
If the MIL starts flashin g, re duce en-
g ine spee d to prevent exhaust sys-
tem damag e.TIPThe engine is sensitively controlled for
the on-board diagnostic system to de-
tect deterioration and malfunction of
the emission control system. Due to
this specification, the MIL may come
on or flash for vehicle modifications,
lack of maintenance, or excessive or
improper use of the vehicle. To prevent
this, observe these precautions.
 Do not attempt to modify the soft-
ware of the engine control unit.
 Do not add any electrical acces-
sories that interfere with engine
control.
 Do not use aftermarket accesso-
ries or parts such as suspension,
spark plugs, injectors, exhaust
system, etc.
 Do not change drivetrain specifi-
cations (chain, sprockets, wheels,
tires, etc.). 
Do not remove or alter the O2 sen-
sor, air induction system, or ex-
haust parts (catalysts or EXUP,
etc.).
 Maintain proper V-belt and drive
belt (if equipped).
 Maintain correct tire pressure.
 Do not operate the vehicle in an
extreme manner. For example, re-
peated or excessive opening and
closing of the throttle, racing,
burnouts, wheelies, etc.
EAU88890
ABS warnin g lig ht “ ”
This warning light comes on when the
vehicle is first turned on, and goes off
after starting riding. If the warning light
comes on while riding, the anti-lock
brake system may not work correctly.
WARNING
EWA16043
If the ABS warnin g li ght does not
turn off after reachin g 10 km/h (6
mi/h), or if the warnin g li ght comes
on while ri din g:
 Use extra caution to avoi d pos-
si ble wheel lock durin g emer-
g ency brakin g. 
Have a Yamaha dealer check
the vehicle as soon as possi ble.
TIPThe ABS warning light may come on
while revving the engine with the vehi-
cle on its centerstand, but this does
not indicate a malfunction.
EAU88930
Traction control system in dicator
li g ht “ ”
This indicator light will flash when trac-
tion control has engaged.
If the traction control system is turned
off, this indicator light will come on.
(See page 5-14.)TIPWhen the vehicle is turned on, the light
should come on for a few seconds and
then go off. If the light does not come
on, or if the light remains on, have a
Yamaha dealer check vehicle.
EAU89252
Stan din g assist in dicator li ght “ ”
This indicator light flashes when the
standing assist can be used.
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Instrument and control functions
5-3
5 The indicator light comes on when the
standing assist is engaged.
TIPWhen the vehicle is turned on, the light
will come on for a few seconds, and
then go off. If the light does not come
on, have a Yamaha dealer check the
vehicle.
EAU89262
Stan
din g assist warnin g lig ht “ ”
This warning light comes on if a prob-
lem is detected in the standing assist.
If this occurs, have a Yamaha dealer
check the system.TIP Depending on the problem, the
engine speed may be limited and
the vehicle cannot be driven nor-
mally.
 When the vehicle is turned on, the
light will come on for a few sec-
onds, and then go off. If the light
does not come on, or if the light
remains on, have a Yamaha dealer
check the vehicle.
EAU78083
Smart key system in dicator
li g ht “ ”
This indicator light will flash when com-
munication between the vehicle and
smart key takes place and when cer-
tain smart key system operations are
carried out.
The indicator light may also flash when
there is an error in the smart key sys-
tem.TIPWhen the vehicle is turned on, the light
should come on for a few seconds and
then go off. If the light does not come
on, or if the light remains on, have a
Yamaha dealer check the vehicle.
EAU86811
Multi-function meter unit1. Fuel meter
2. Clock
3. Icy road warning indicator “ ”
4. Tachometer
5. Speedometer
6. Multi-function display
1. “SEL/RES” switch1
2
3
4
5
6
1
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