2021 YAMAHA TMAX Owners Manual

Instrument and control functions
5-22
5
NOTICE
ECA11401
Use only unlea ded g asoline. The use
of lead ed g asoline will cause severe
d amag e to internal en gine parts,
such as the valves an d piston rin gs,
as well as to the exhaust system.
EAU80201
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 hose is positioned
as shown.TIPSee page 8-12 for canister information.
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 child ren
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 b uild-up of
heat.
1. Fuel tank overflow hose
1
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Instrument and control functions
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5
EAU88752
Stora ge compartmentsFront stora ge compartment
To open the storage compartment,
press the button.
Open the lid as shown. To close the storage compartment,
push the lid into the original position.
TIPThis compartment has an electronic
lock. (See page 3-12.)Rear storag
e compartment
This storage compartment was de-
signed to hold one full-faced helmet or
two 3/4-faced helmets. NOTICE: The
shad ed area is not a storag e com-
partment. To prevent d amaging the
seat hin ges, do not place any items
in this area.
[ECA16092]
TIP Some helmets cannot be stored in
the rear storage compartment be-
cause of their size or shape.
 Do not leave the vehicle unattend-
ed with the seat open.
 Do not place the smart key inside
a storage compartment. It may get
locked inside and the smart key
system not operate normally.NOTICE
ECA15964
Do not leave the seat open for
an exten ded perio d of time, oth-
erwise the li ght may cause the
b attery to d ischarge.
1. Button
1. Lid
1
1
1. Lid1
1. Rear storage compartment
2. Shaded area
12
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Instrument and control functions
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5

Since the stora ge compartment
may get wet when washin g the
vehicle, wrap any articles stored
in the compartment in a plastic
b ag .
 To avoi d humi dity from sprea d-
in g throug h the stora ge com-
partment an d to discourag e
possi ble mol d g rowth, wrap wet
articles in a plastic b ag b efore
storin g them in the compart-
ment.
 Do not keep anythin g valua ble
or breakab le in the stora ge
compartment.
 Since the stora ge compartment
accumulates heat from the en-
g ine an d from direct sunli ght, do
not store anythin g suscepti ble
to heat, such as foo d or flamma-
b le items, insid e the compart-
ment.
WARNING
EWA20960
 Do not exceed the load limit of
1.0 k g (2 l b) for the front stora ge
compartment. 
Do not exceed the load limit of
5.0 k g (11 l b) for the rear storag e
compartment.
 Do not exceed the maximum
loa d of 195 k g (430 l b) for the ve-
hicle.
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 b efore
ri din g.1. Riding position
2. Parking position
1
1 2
2
2
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Instrument and control functions
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5
EAU77585
Shock a bsorb er assem bly
WARNING
EWA10222
This shock ab sorber assem bly con-
tains hi ghly pressurize d nitro gen
g as. Rea d an d un derstan d the fol-
lowin g information before han dlin g
the shock a bsor ber assem bly.
 Do not tamper with or attempt
to open the cylind er assembly.
 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-
plo de due to excessive gas
pressure.
 Do not d eform or d amage 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.
This model is equipped with adjustable
suspension. The spring preload and re-
bound damping force can be adjusted.
Sprin g preloa d
Turn the adjusting ring in direction (a)
to increase the spring preload.
Turn the adjusting ring in direction (b)
to decrease the spring preload.
 Align the appropriate notch in the
adjusting ring with the position in-
dicator on the shock absorber.
 Use the special wrench included
in the tool kit to make the adjust-
ment. Re
boun d d ampin g force
Turn the adjusting screw in direction (a)
to increase the rebound damping
force.
Turn the adjusting screw 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 turns in di-
rection (b).1. Spring preload adjusting ring
2. Special wrench
3. Position indicator
1 234
5 67
1(a)
(b)
32
Sprin g preloa d setting :
Minimum (soft):
7
Standard:
4
Maximum (hard): 1
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Instrument and control functions
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5
TIPWhen turning the damping force ad-
juster in direction (b), it may turn be-
yond the stated specifications,
however such adjustments are ineffec-
tive and may damage the suspension.
NOTICE
ECA10102
To avoi d d amag ing the mechanism,
d o not attempt to turn b eyond the
maximum or minimum settin gs.
EAU77352
Auxiliary DC jackThis model is equipped with a 12 V
auxiliary DC jack. The DC jack is locat-
ed inside the front storage compart-
ment.NOTICE
ECA15432
The accessory connecte d to the
auxiliary DC jack shoul d not b e used
with the en gine turne d off, an d the
loa d must never excee d 24 W (2 A),
otherwise the fuse may blow or the
b attery may dischar ge.To use the auxiliary DC jack
1. Open the front storage compart- ment.
1. Rebound damping force adjusting screwReboun d d ampin g settin g:
Minimum (soft): 3 turn(s) in direction (b)
Standard: 1.25 turn(s) in direction (b)
Maximum (hard):
0 turn(s) in direction (b)
(a)
(b)
1
1. Auxiliary DC jack
1
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Instrument and control functions
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5 2. Turn the vehicle power off.
3. Remove the auxiliary DC jack cap.
4. Turn the accessory off.
5. Insert the accessory plug into the
auxiliary DC jack.
6. Turn the vehicle power on and start the engine.
7. Turn the accessory on.
TIPWhen finished with your ride, be sure
to turn off the accessory, disconnect it,
and then install the auxiliary DC jack
cap.
WARNING
EWA14361
To prevent electrical shock or short-
circuiting , make sure that the cap is
installe d when the auxiliary DC jack
is not bein g use d.
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 g round
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
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EAU63612
Ig nition circuit cut-off systemThe ignition circuit cut-off system
(comprising the sidestand switch and
brake light switches) has the following
functions.
 It prevents starting when the side-
stand is up, but neither brake is applied.
 It prevents starting when either
brake is applied, but the sidestand
is still down.
 It cuts the running engine when
the sidestand is moved down.
Periodically check the operation of the
ignition circuit cut-off system accord-
ing to the following procedure.
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Instrument and control functions
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With the engine turned off:
1. Move the sidestand down.
2. Make sure that the engine stop switch is turned on.
3. Turn the vehicle power on.
4. Keep the front or rear br ake applied.
5. Push the “ON/ ” switch.
Does the engine start?
With the engine still off:
6. Move the sidestand up.
7. Keep the front or rear br ake applied.
8. Push the “ON/ ” switch.
Does the engine start?
With the engine still running:
9. Move the sidestand down.
Does the engine stall?
The system is OK. The scooter can be ridden. The sidestand switch may not be working correctly.
The scooter should not be ridden
until
checked by a Y amaha dealer.
The sidestand switch may not be working correctly.
The scooter should not be ridden until
checked by a Y amaha dealer.
YES NO YES NO NO YES
The brake switch may not be working correctly.
The scooter should not be ridden until
checked by a Y amaha dealer.The vehicle must be placed on the center-
stand during this inspection. If a malfunction is noted, have a Yamaha
dealer check the system before riding.
WARNING
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