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Allow more braking distance. A heavier ATV
takes longer to stop.
Avoid making sharp turns unless at very slow
speeds.
Avoid hills and rough terrain. Choose terrain
carefully. Added weight affects the stability and
handling of the ATV.
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8-1
8
EBU21142
RIDING YOUR ATV
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8-2
8
EBU34101GETTING TO KNOW YOUR ATV
This ATV is intended for recreational use by young
operators under adult supervision. This section,
“Riding your ATV”, provides general riding instruc-
tions which are appropriate for all types of riding.
Riding your ATV requires special skills acquired
through practice over a period of time. Take the
time to learn the basic techniques well before at-
tempting more difficult maneuvers.
Riding your new ATV can be a very enjoyable ac-
tivity, providing you with hours of pleasure. But it
is essential to familiarize yourself with the opera-
tion of the ATV to achieve the skill necessary to
enjoy riding safely. Before you begin to ride, be
sure you have read this manual completely and
understand how to operate all of the ATV’s con-
trols. Pay particular attention to the safety infor-
mation on pages 3-1 to 3-7 and all notice and
warning labels on the vehicle.RIDE WITH CARE AND GOOD JUDGMENT
Beginning riders should get training from a
certified instructor.
WARNING
EWB01382
Do not operate this ATV or allow anyone else
to operate it without proper instruction. The
risk of an accident is greatly increased if the
operator does not know how to operate the
ATV properly in different situations and on
different types of terrain.
Do not operate this ATV at speeds too fast
for your skills or the conditions, as this in-
creases your chances of losing control of the
ATV and an accident. Always go at a speed
that is proper for the terrain, visibility and op-
erating conditions, and your experience. Riding your ATV requires skills acquired
through practice over a period of time.
Become familiar with riding this ATV by riding at
slow speeds first, even if you have experience rid-
ing other ATVs. Do not attempt to operate it at
higher performance levels until you are familiar
with this ATV’s handling and performance charac-
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8-3
8teristics. Take the time to learn the basic tech-
niques well before attempting more difficult
maneuvers.
Not recommended for children under 10 years
of age.
WARNING
EWB03530A child under 10 should never operate an ATV
with engine size greater than 70 cc. Use by
children of ATVs that are not recommended for
their age can lead to severe injury or death of
the child.
This ATV is designed to carry the operator only
– passengers prohibited.
The long seat is to allow the operator to shift posi-
tion as needed during operation. It is not for carry-
ing passengers.
WARNING! Never carry a
passenger. Carrying a passenger on this ATV
greatly reduces your ability to balance and
control this ATV. You could have an accident,
resulting in severe injury or death to you and/or
your passenger.
[EWB01402]
UNDER
10
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8-4
8
Apparel
Always wear the following to reduce risk of injury
in an accident:
Approved motorcycle helmet that fits properly
Eye protection (goggles, helmet face shield, or
protective eyewear)
Over-the-ankle boots, gloves, long-sleeved
shirt or jacket, and long pants
An approved helmet and other personal protective
equipment can reduce the severity of injuries in an
accident. WARNING! Operating without an ap-
proved motorcycle helmet increases your
chances of a severe head injury or death in the
event of an accident.
[EWB01412]
Wear eye protection when operating your ATV to
reduce the risk of a serious accident or injury. Eye
protection, such as a face shield or goggles, may
reduce the risk of foreign material getting in your
eyes and help prevent loss of vision. WARNING!
Operating without eye protection can result in
an accident and increases your chances of a
severe injury in the event of an accident.[EWB02612]
Do not operate after or while consuming alco-
hol or drugs.
The operator’s performance capability is reduced
by the influence of alcohol or drugs. Consuming
alcohol or drugs could seriously affect your judg-
ment, cause you to react more slowly, and affect
your balance and perception. WARNING! Never
consume alcohol or drugs before or while driv-
ing this ATV. You increase your chance of an
accident.
[EWB01422]
1. Protective clothing
2. Goggles
3. Gloves
4. Boots
5. Helmet
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8-5
8Pre-operation checks
Always inspect your ATV before use to make sure
that it is safe operating condition. Perform the pre-
operation checks listed on page 6-1. Follow the
maintenance schedules and procedures as de-
scribed in the “Periodic Maintenance and Adjust-
ment” section of this manual.
WARNING! Failure
to inspect the ATV before riding it or failure to
maintain it properly increases the possibility of
an accident and equipment damage.
[EWB01433]
Speed limiter
For beginning riders, riders less experienced with
this model, or whenever limited speed is desir-
able, the throttle lever housing is equipped with a vehicle speed limiter. The speed limiter keeps the
throttle from fully opening, even when the throttle
lever is pushed to the maximum. Turning in the
adjusting screw limits the maximum engine power
available and decreases the maximum speed of
the ATV. Turning in the adjusting screw decreases
top speed, and turning it out increases top speed.
(See page 5-3.)
This model also has an engine speed limiter plate
to limit the amount of engine power available.
Yamaha recommends that all beginning riders start off with the engine speed limiter plate in-
stalled and the vehicle speed limiter adjusting
screw turned in to limit the amount of speed avail-
able while they learn. The vehicle speed limiter
may be gradually adjusted to increase maximum
speed as the beginner becomes more familiar with
operating the ATV. Parents should decide when to
adjust the ATV for more power as their young-
ster’s riding skills improve. Once the ATV rider can
operate with skill at the top speed permitted by
adjusting the vehicle speed limiter alone, the en-
gine speed limiter plate can be removed. Since re-
moval of this plate will result in a significant
increase in power, turn the vehicle speed limiter
adjusting screw back in again and adjust it out inUBD366E0.book Page 5 Thursday, June 10, 2021 2:39 PM
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8-6
8
stages as you did before. For engine speed limiter
plate removal instructions, see page 5-4.
Loading and accessories
WARNING
EWB00973Improper loading or towing can increase the
risk of loss of control, an overturn, or other ac-
cident. To reduce the risk of an accident:
Do not exceed the maximum loading limits
for the vehicle (see “MAXIMUM LOADING
LIMIT” below or vehicle labeling).
Make sure the load does not interfere with
your control or ability to see where you are
going.
Reduce speed and allow more room to stop.
A heavier vehicle takes longer to stop.
Avoid hills and rough terrain. Choose terrain
carefully. Use extreme caution when towing
or carrying a load on inclines.
Turn gradually and go slowly.
As originally equipped, this ATV is not designed to
carry cargo or tow a trailer. If you choose to add
accessories to carry cargo, you must use com-
mon sense and good judgment.
Use extra caution when riding the ATV with addi-
tional loads, such as accessories or cargo. The
ATV’s handling may be adversely affected. Re-
duce your speed when adding additional loads.
During operation
Always keep your feet on the footboards during
operation; otherwise, they may contact the rear
wheels. WARNING! Removing even one hand or
foot can reduce your ability to control the ATV
or could cause you to lose your balance and
1. Adjusting screw
1
MAXIMUM LOADING LIMIq ATV loading limit (total weight of cargo, rid-
er, accessories, and tongue weight):82.0 kg (181 lb)
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8-7
8fall off of the ATV. If you remove a foot from a
footboard, your foot or leg may come into con-
tact with the rear wheels, which could injure
you or cause an accident.
[EWB01472]
Avoid wheelies and jumping.
WARNING! At-
tempting wheelies, jumps, and other stunts in-
creases the chance of an accident, including
an overturn. Never attempt stunts, such as
wheelies or jumps. Don’t try to show off.[EWB01482]
Modifications and accessories
Never modify this ATV through improper installa-
tion or use of accessories or other modification. All
parts and accessories added to this ATV should
be genuine Yamaha or equivalent components
designed for use on this ATV and should be in-
stalled and used according to instructions. If you
have questions, consult an authorized ATV dealer.
WARNING! Operating this ATV with improper modifications may cause changes in handling
which in some situations could lead to an acci-
dent.
[EWB01492]
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![YAMAHA YFM90R 2022 Owners Manual 8-7
8fall off of the ATV. If you remove a foot from a
footboard, your foot or leg may come into con-
tact with the rear wheels, which could injure
you or cause an accident.
[EWB01472]
Avoid wheelies](/manual-img/51/53797/w960_53797-63.png "YAMAHA YFM90R 2022 Owners Manual 8-7
8fall off of the ATV. If you remove a foot from a
footboard, your foot or leg may come into con-
tact with the rear wheels, which could injure
you or cause an accident.
[EWB01472]
Avoid wheelies")