2021 YAMAHA TMAX suspension

Safety information
1-3
1Avoi
d Car bon Monoxi de Poisonin g
All engine exhaust contains carbon
monoxide, a deadly gas. Breathing
carbon monoxide can cause head-
aches, dizziness, drowsiness, nausea,
confusion, and eventually death.
Carbon Monoxide is a colorless, odor-
less, tasteless gas which may be pres-
ent even if you do not see or smell any
engine exhaust. Deadly levels of car-
bon monoxide can collect rapidly and
you can quickly be overcome and un-
able to save yourself. Also, deadly lev-
els of carbon monoxide can linger for
hours or days in enclosed or poorly
ventilated areas. If you experience any
symptoms of carbon monoxide poi-
soning, leave the area immediately, get
fresh air, and SEEK MEDICAL TREAT-
MENT.  Do not run engine indoors. Even if
you try to ventilate engine exhaust
with fans or open windows and
doors, carbon monoxide can rap-
idly reach dangerous levels.
 Do not run engine in poorly venti-
lated or partially enclosed areas
such as barns, garages, or car-
ports. 
Do not run engine outdoors where
engine exhaust can be drawn into
a building through openings such
as windows and doors.
Loa din g
Adding accessories or cargo to your
scooter can adversely affect stability
and handling if the weight distribution
of the scooter is changed. To avoid the
possibility of an accident, use extreme
caution when adding cargo or acces-
sories to your scooter. Use extra care
when riding a scooter that has added
cargo or accessories. Here, along with
the information about accessories be-
low, are some general guidelines to fol-
low if loading cargo to your scooter:
The total weight of the operator, pas-
senger, accessories and cargo must
not exceed the maximum load limit.
Operation of an overloa ded vehicle
coul d cause an acci dent.
When loading within this weight limit,
keep the following in mind: 
Cargo and accessory weight
should be kept as low and close to
the scooter as possible. Securely
pack your heaviest items as close
to the center of the vehicle as pos-
sible and make sure to distribute
the weight as evenly as possible
on both sides of the scooter to
minimize imbalance or instability.
 Shifting weights can create a sud-
den imbalance. Make sure that
accessories and cargo are se-
curely attached to the scooter be-
fore riding. Check accessory
mounts and cargo restraints fre-
quently.
• Properly adjust the suspension for your load (suspension-ad-
justable models only), and
check the condition and pres-
sure of your tires.
• Never attach any large or heavy items to the handlebar, front
fork, or front fender. Such items
can create unstable handling or
a slow steering response.
 This vehicle is not desi gne d to
pull a trailer or to be attached to
a si decar.
Maximum loa d:
195 kg (430 lb)
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Safety information
1-4
1
Genuine Yamaha Accessories
Choosing accessories for your vehicle
is an important decision. Genuine
Yamaha accessories, which are avail- able only from a Yamaha dealer, have
been designed, tested, and approved
by Yamaha for use on your vehicle.
Many companies with no connection
to Yamaha manufacture parts and ac-
cessories or offer other modifications
for Yamaha vehicles. Yamaha is not in
a position to test the products that
these aftermarket companies produce.
Therefore, Yamaha can neither en-
dorse nor recommend the use of ac-
cessories not sold by Yamaha or
modifications not specifically recom-
mended by Yamaha, even if sold and
installed by a Yamaha dealer.
Aftermarket Parts, Accessories, an d
Mo difications
While you may find aftermarket prod-
ucts similar in design and quality to
genuine Yamaha accessories, recog-
nize that some aftermarket accesso-
ries or modifications are not suitable
because of potential safety hazards to
you or others. Installing aftermarket products or having other modifications
performed to your vehicle that change
any of the vehicle’s design or operation
characteristics can put you and others
at greater risk of serious injury or
death. You are responsible for injuries
related to changes in the vehicle.
Keep the following guidelines in mind,
as well as those provided under “Load-
ing” when mounting accessories.
 Never install accessories or carry
cargo that would impair the per-
formance of your scooter. Careful-
ly inspect the accessory before
using it to make sure that it does
not in any way reduce ground
clearance or cornering clearance,
limit suspension travel, steering
travel or control operation, or ob-
scure lights or reflectors.
• Accessories fitted to the han- dlebar or the front fork area can
create instability due to improp-
er weight distribution or aerody-
namic changes. If accessories
are added to the handlebar or
front fork area, they must be as
lightweight as possible and
should be kept to a minimum. • Bulky or large accessories may
seriously affect the stability of
the scooter due to aerodynamic
effects. Wind may attempt to lift
the scooter, or the scooter may
become unstable in cross
winds. These accessories may
also cause instability when
passing or being passed by
large vehicles.
• Certain accessories can dis- place the operator from his or
her normal riding position. This
improper position limits the
freedom of movement of the
operator 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 scooter’s electrical system, an
electric failure could result, which
could cause a dangerous loss of
lights or engine power.
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Safety information
1-5
1Aftermarket Tires an
d Rims
The tires and rims that came with your
scooter were designed to match the
performance capabilities and to pro-
vide the best combination of handling,
braking, and comfort. Other tires, rims,
sizes, and combinations may not be
appropriate. Refer to page 8-19 for tire
specifications and more information on
replacing your tires.
Transportin g the Scooter
Be sure to observe following instruc-
tions before transporting the scooter in
another vehicle.  Remove all loose items from the
scooter.
 Point the front wheel straight
ahead on the trailer or in the truck
bed, and choke it in a rail to pre-
vent movement.
 Secure the scooter with tie-downs
or suitable straps that are at-
tached to solid parts of the scoot-
er, such as the frame or upper
front fork triple clamp (and not, for
example, to rubber-mounted han-
dlebars or turn signals, or parts
that could break). Choose the lo- cation 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
scooter will not bounce exces-
sively during transport.
EAU57600
Further safe-ri din g points Be sure to signal clearly when
making turns.
 Braking can be extremely difficult
on a wet road. Avoid hard braking,
because the scooter could slide.
Apply the brakes slowly when
stopping on a wet surface.
 Slow down as you approach a
corner or turn. Once you have
completed a turn, accelerate
slowly.
 Be careful when passing parked
cars. A driver might not see you
and open a door in your path.
 Railroad crossings, streetcar rails,
iron plates on road construction
sites, and manhole covers be-
come extremely slippery when
wet. Slow down and cross them
with caution. Keep the scooter up-
right, otherwise it could slide out
from under you.
 The brake pads or linings could
get wet when you wash the scoot-
er. After washing the scooter,
check the brakes before riding.
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Instrument and control functions
5-3
5
EAU88690
Hi gh beam in dicator li ght “ ”
This indicator light comes on when the
high beam of the headlight is switched
on.
EAU77551
Cruise control in dicator li ghts
See page 4-1 for an explanation of
these indicator lights.
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.
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.
EAU77075
ABS warnin g li ght “ ”
This warning light comes on when a
problem is detected with the ABS. (See
page 5-19.)
When the vehicle power is turned on,
this light will come on and then go off
after reaching a traveling speed of 10
km/h (6 mi/h). If the warning light:  does not come on when the vehi-
cle power is turned on
 does not go off after traveling at a
speed of 10 km/h (6 mi/h) or high-
er
 comes on or flashes while riding
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Instrument and control functions
5-25
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
5-26
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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Periodic maintenance an d a djustment
8-7
8
21 *Front fork • Check operation and for oil leak-
age.
• Replace if necessary. √√√√
22 *Shock a
bsor ber as-
sem bly • Check operation and for oil leak-
age.
• Replace if necessary. √√√√
23 *Rear suspension re-
lay arm an
d con-
nectin g arm
pivotin g points • Check operation.
√√√√
24 En gine oil • Change (warm engine before
draining).
• Check oil level and vehicle for oil leakage. At the initial interval and when the oil change indicator flashes or
comes on. √
25 En
gine oil filter car-
tri dge • Replace.
√√√
26 *Coolin g system • Check coolant level and vehicle
for coolant leakage. √√√√√
• Change. Every 3 years
27 *V-belt • Replace. When the V-belt replacement indicator flashes [every 20000 km (12000 mi)]
28 *Front an
d rear
b rake switches • Check operation.
√√√√√√
29 *Movin
g parts an d
cab les • Lubricate.
√√√√√
NO. ITEM CHECK OR MAINTENANCE JOB
ODOMETER READING
ANNUAL
CHECK
1000 km
(600 mi) 10000 km
(6000 mi) 20000 km
(12000 mi) 30000 km
(18000 mi) 40000 km
( 24 000 m
i)
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Specifications
10-1
10
Dimensions:Overall length:2200 mm (86.6 in)
Overall width:
765 mm (30.1 in)
Overall height: 1420/1555 mm (55.9/61.2 in)
Seat height: 800 mm (31.5 in)
Wheelbase:
1575 mm (62.0 in)
Ground clearance: 125 mm (4.92 in)
Minimum turning radius: 2.8 m (9.19 ft)Wei ght:Curb weight:
220 kg (485 lb)Engine:Combustion cycle:
4-stroke
Cooling system: Liquid cooled
Valve train: DOHC
Cylinder arrangement:
Inline
Number of cylinders: 2-cylinder
Displacement: 562 cm³
Bore × stroke:
70.0 × 73.0 mm (2.76 × 2.87 in) Starting system:
Electric starter
Engine oil:Recommended brand:
SAE viscosity grades:
10W-40
Recommended engine oil grade:
API service SG type or higher, JASO
standard MA
Engine oil quantity:
Oil change: 2.60 L (2.75 US qt, 2.29 Imp.qt)
With oil filter removal:
2.90 L (3.07 US qt, 2.55 Imp.qt)Coolant quantity:Coolant reservoir (up to the maximum level
mark):0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator (including all routes): 1.54 L (1.63 US qt, 1.36 Imp.qt)Fuel:Recommended fuel:Unleaded gasoline (E10 acceptable)
Octane number (RON): 95
Fuel tank capacity:
15 L (4.0 US gal, 3.3 Imp.gal)
Fuel reserve amount: 3.0 L (0.79 US gal, 0.66 Imp.gal)
Fuel injection:Throttle body:ID mark: B7M1Front tire:Type:
Tubeless
Size: 120/70R15M/C 56H
Manufacturer/model: BRIDGESTONE/BATTLAX SCFRear tire:Type:Tubeless
Size: 160/60R15M/C 67H
Manufacturer/model:
BRIDGESTONE/BATTLAX SCRLoa din g:Maximum load:
195 kg (430 lb)
(Total weight of rider, passenger, cargo and
accessories)Front brake:Type:
Hydraulic dual disc brakeRear brake:Type:
Hydraulic single disc brakeFront suspension:Type:
Telescopic fork
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