This manual should be considered a permanent part of the ATV and
should remain with the ATV when it is resold.
This publication includes the latest production information available
before printing. Honda Motor Co., Ltd. reserves the right to make
changes at any time without notice and without incurring any obligation.
No part of this publication may be reproduced without written
permission.
The vehicle pictured on the front cover may not match your vehicle.
Honda Motor Co., Ltd. 2008
08/09/25 13:11:18 31HP2630 0002
2009
Honda TRX90X
SPORTRAX 90X
OWNER’S MANUAL
FOR OFF-ROAD USE ONLY
This vehicle is designed and manufactured for off-road use only.
USA only:
It conforms to US EPA Noise Emission regulations, but does not
conform to Federal Motor Vehicle Safety Standards or US EPA On
Highway Exhaust Emission regulations, and operation on public streets,
roads, or highways is illegal. The vehicle is equipped with a USDA
qualified spark arrester. Obey local laws and regulations.
It conforms to US EPA, California, and Environment Canada emission
regulations for ATVs.
08/09/25 13:11:25 31HP2630 0003
Introduction
Congratulations on choosing your Honda ATV.
When you own a Honda, you’re part of a worldwide family of satisfied
customerspeople who appreciate Honda’s reputation for building
quality into every product.
Your Honda was designed as a recreational ATV for off-road use by
one rider only.
Before riding, take time to get acquainted with your ATV and how it
works. To protect your investment, we urge you to take responsibility
for keeping your ATV well maintained. Scheduled service is a must, of
course. But it’s just as important to observe the break-in guidelines, and
perform all pre-ride and other periodic checks detailed in this manual.
We also recommend that you read this owner’s manual before you ride.
It’s full of facts, instructions, safety information, and helpful tips. To
make it easy to use, the manual contains a detailed list of topics at the
beginning of each section, and both an in-depth table of contents and an
index at the back of the book.
−
As you read this manual, you will find information that is preceded by a
symbol. This information is intended to help you avoid damage
to your Honda, other property, or the environment.
Read the Warranties Booklet (page) thoroughly so you understand
the coverages that protect your new Honda and are aware of your rights
and responsibilities.
Whenever you ride, tread lightly. By staying on established trails and
riding only in approved areas, you help protect the environment and
keep off-road riding areas open for the future.
Introduction
197
08/09/25 13:11:31 31HP2630 0004
Introduction
If you have any questions, or if you ever need special service or repairs,
remember that your Honda dealer knows your ATV best and is
dedicated to your complete satisfaction.
Please report any change of address or ownership to your Honda dealer
so we will be able to contact you concerning important product
information.
You may also want to visit our website at www.honda.com.
Happy riding!
California Proposition 65 Warning
WARNING:
State of Calif ornia to cause cancer and birth defects or other
reproductive harm.
This product contains or emits chemicals known to the
Introduction
08/09/25 13:11:35 31HP2630 0005
A Few Words About Safety
Your safety, and the safety of others, is very important. And operating
this ATV safely is an important responsibility.
To help you make informed decisions about safety, we have provided
operating procedures and other information on labels and in this manual.
This information alerts you to potential hazards that could hurt you or
others.
Of course, it is not practical or possible to warn you about all hazards
associated with operating or maintaining an ATV. You must use your
own good judgment.
You will find important safety information in a variety of f orms,
including:
Safety Labels
Safety Messages
three signal words:or.
A Few Words About Safety
–– on the ATV.
–– preceded by a safety alert symboland one of
DANGER, WARNING,CAUTION
08/09/25 13:11:41 31HP2630 0006
A Few Words About Safety
These signal words mean:
YouWILLbeKILLEDor
SERIOUSLY HURT if you don’t
follow instructions.
You CAN be KILLED or SERIOUSLY
HURT if you don’t follow
instructions.
You CAN be HURT if you don’t
follow instructions.
Safety Headings
Safety Precautions.
Safety Section
Instructions
This entire manual is filled with important safety inf ormation –– please
read it carefully.
–– such as Important Safety Reminders or Important
–– such as ATV Safety.
–– how to use this ATV correctly and safely.
A Few Words About Safety
08/09/25 13:11:49 31HP2630 0007
Contents
These pages give an overview of the contents of your owner’s manual.
The first page of each section lists the topics covered in that section.
The importance of wearing a helmet and other protective gear, how to
make sure you and your ATV are ready to ride, and important
information about loading.
How to start and stop the engine, shift gears, and brake. Also, riding
precautions.
Contents
29
43
08/09/25 13:12:01 31HP2630 0008
Contents
.....................................................................Servicing Your Honda.
Why your ATV needs regular maintenance, what you need to know
before servicing your Honda, an owner maintenance schedule, and
instructions for specific maintenance and adjustment items.
Handy facts about fuel, engine oil, tire sizes, and air pressures.
79
151
161
179
193
202
208
Contents
08/09/25 13:12:02 31HP2630 0009
08/09/25 13:12:06 31HP2630 0010
ATV Safety
This section presents some of the most important information and
recommendations to help you ride your ATV safely. Please take a few
moments to read these pages. This section also includes information
about the location of safety labels on your ATV.
Your ATV can provide many years of service and pleasure if you take
responsibility for your own safety and understand the challenges you
can meet while riding.
This ATV has been designed for younger riders. However, not all
youngsters are physically or emotionally ready to ride. Therefore, before
parents allow any youngster to ride this ATV, we urge them to carefully
read thebeginning on pageand the
Parents, Youngsters & ATVs
only).
There is much that you can do to protect yourself when you ride. You’ll
find many helpful recommendations throughout this manual. The
following are a few that we consider to be most important.
Follow the Age Recommendation
The minimum recommended age for this ATV model is 10. For safety,
children under age 10 should never operate this ATV. Refer to the age
warnings provided in this manual and on the ATV.
Important Message to Parents
booklet that came with the ATV (USA
5
Always Wear a Helmet
It’s a proven fact: helmets significantly reduce the number and severity
of head injuries. So always wear an approved motorcycle helmet. We
also recommend that you wear eye protection, sturdy boots, gloves, and
other protective gear (page).
Never Carry a Passenger
Your ATV is designed for one person only. There are no handholds,
footrests, or seat for a second person, so never carry a passenger. A
passenger could interfere with your ability to move around to maintain
your balance and control of the ATV.
ATV Safety
2
30
08/09/25 13:12:20 31HP2630 0012
Important Safety Information
Ride Off-road Only
Your ATV is designed and manufactured for off-road use only. The
tires are not made for pavement, and the ATV does not have turn signals
and other features required for use on public roads. If you need to cross
a paved or public road, get off and walk your ATV across.
Take Time to Learn & Practice
Even if you have ridden other ATVs, take time to become familiar with
how this ATV works and handles. Practice in a safe area until you build
your skills and get accustomed to the ATV’s size and weight.
Because many accidents involve inexperienced or untrained riders, we
urge all riders to take a training course approved by the ATV Safety
Institute (ASI). See page.
Contact an authorized ATV dealer or call 1-800-887-2887 (USA only)
to find out about the training courses nearest you.
Be Alert for Off-road Hazards
The terrain can present a variety of challenges when you ride off-road.
Continually ‘‘read’’ the terrain for unexpected turns, drop-offs, rocks,
ruts, and other hazards. Always keep your speed low enough to allow
time to see and react to hazards.
32
ATV Safety
3
08/09/25 13:12:26 31HP2630 0013
Important Safety Information
Ride within Your Limits
Pushing limits is another major cause of ATV accidents. Never ride
beyond your personal abilities or faster than conditions warrant.
Remember that alcohol, drugs, fatigue, and inattention can significantly
reduce your ability to make good judgments and ride safely.
Don’t Drink and Ride
Alcohol and riding don’t mix. Even one drink can reduce your ability to
respond to changing conditions, and your reaction time gets worse with
every additional drink. So don’t drink and ride, and don’t let your
friends drink and ride either.
Keep Your Honda in Safe Condition
It’s important to keep your ATV properly maintained and in safe riding
condition. Having a breakdown can be difficult, especially if you are
stranded off-road far from your base. To help avoid problems, inspect
your ATV before every ride and perform all recommended maintenance.
4
ATV Safety
08/09/25 13:12:32 31HP2630 0014
Important Message to Parents
Your child’s safety is very important to Honda. That’s why we urge you
to read this message before you let any young person ride this ATV.
Off-road riding can be fun. But, as with riding a bicycle, bad judgment
can result in injury, and we don’t want that to happen! As a parent, you
can help prevent accidents by making good decisions about if, when,
and how your youngster rides this ATV.
Riding Readiness
The first decision you’ll need to make is whether your youngster is
ready to ride. Riding readiness varies widely from one person to another,
and while the minimum age recommended for this ATV is 10 years old,
there are other factors that you should consider.
PHYSICAL ABILITY are important considerations. To help determine
whether a youngster is big enough for this ATV, have them stand up on
the footpegs and grasp the handgrips. While the youngster holds this
position, check that they have at least three inches of clearance between
the ATV seat and the youngster’s ‘‘seat of the pants.’’ A rider needs at
least three inches of clearance so they can stand up for balance and
comfort, and to shift their body forward, backward and from side to side.
ATV Safety
5
08/09/25 13:12:38 31HP2630 0015
Important Message to Parents
Also make sure your youngster can comfortably reach and work all the
controls. For example, can they turn the handlebars all the way to the
right and left? Can they easily use their feet to work the brake pedal and
gearshift lever? Can they operate the throttle and brake levers while they
hold onto the handgrips? If not, the youngster is not physically ready to
ride this ATV.
Before you let a youngster ride an ATV, decide whether they are
physically, mentally and emotionally ready to ride.
ATHLETIC ABILITY is another requirement for riding an ATV.
Generally speaking, your youngster should be good at riding a bicycle
before they get on an ATV. Can your youngster judge speeds and
distances while riding a bicycle and react with proper hand and foot
actions? Anyone who does not have good coordination, balance, and
agility is not ready f or this ATV.
ATV Safety
6
08/09/25 13:12:43 31HP2630 0016
Important Message to Parents
MENTAL AND EMOTIONAL MATURITY maturity are also
necessary for safe riding. Does your youngster think through problems
and come to logical solutions? On a bicycle, does your youngster obey
safe riding rules? Be honest! Young people who take unnecessary risks,
make bad judgments and don’t obey rules are not ready to ride this ATV.
Instruction and Supervision
If you decide that your youngster is ready to safely operate this ATV,
make sure both of you first carefully read and understand the
instructions and warnings in this owner’s manual.
Also be sure that your youngster always wears a helmet and other
appropriate riding equipment when operating or sitting on it (page).
Because good instruction is an important part of learning how to ride,
we strongly recommend that young riders take the free hands-on
training course Honda off ers to all new ATV owners and immediate
family members. We also recommend that you take or observe the
course with your youngster. This will enable you to better understand
proper riding techniques and safety messages.
To enroll in a class in your area, call 1-800-887-2887 (USA only).
Even if a youngster takes a certified training course, it’s up to you to
ensure your youngster’s safety. Remember, learning to ride an ATV is a
gradual step-by-step process. It takes time, patience and practice.
30
To help you regulate your youngster’s rate of learning, your ATV was
delivered with an adjustable throttle limiter and an air restrictor. We
recommend that all beginning riders start off with the throttle limiter
adjusted as delivered. The limiter may be adjusted to gradually increase
maximum speed as the beginner becomes more familiar with operating
the ATV. For adjustment and removal instructions, see pages.
ATV Safety
46
−
48
7
08/09/25 13:12:49 31HP2630 0017
Important Message to Parents
SUPERVISION is another important obligation of parents. Even after
youngsters have become skilled off -road riders, make sure they always
have adult supervision while riding. It also helps to regularly remind
young riders to follow the instructions and warnings in this manual. And
remember, it’s the parents’ responsibility to see that the ATV is properly
maintained and kept in safe operating condition.
If you choose to lend your ATV, do make sure that any riders under 16
years old will have adult supervision. Your youngster should understand
that the decision to lend the ATV is yours.
SAFE AND RESPONSIBLE RIDING must be an on-going
commitmentby you and your youngster. When you both put safety
first, you can enjoy more peace of mind, and your youngster can enjoy
many hours of safe off-road riding.
In Summary
Children diff er in skills, physical abilities, and judgement. Some
children may not be able to operate an ATV safely. Parents should
supervise their child’s use of the ATV at all times.
Parents should permit continued use only if they determine that the child
has the ability to operate the ATV safely.
−
8
ATV Safety
08/09/25 13:12:53 31HP2630 0018
Safety Labels
Your ATV comes with a hang tag and several labels containing
important safety information. Anyone who rides the vehicle should read
and understand this information before riding.
Parents of young riders should make sure their youngsters read and
understand the hang tag and label information before allowing them to
ride.
The labels should be considered permanent parts of the vehicle. If a
label comes off or becomes hard to read, contact your Honda dealer for
replacements.
ATV Safety
9
08/09/25 13:13:00 31HP2630 0019
Safety Labels
10
ATV Safety
08/09/25 13:13:11 31HP2630 0020
Safety Labels
(For Canada)
ATV Safety
11
08/09/25 13:13:17 31HP2630 0021
Safety Labels
12
ATV Safety
08/09/25 13:13:22 31HP2630 0022
Indicator & Controls
This section shows the location of all indicators and controls you would
normally use before or while riding your ATV.
The items listed on this page are described in this section. Instructions
for other components are presented in other sections of this manual
where they will be most useful.
.............................................................................Flag Pole Bracket. 27
Indicator & Controls
13
08/09/25 13:13:26 31HP2630 0023
Operation Component Locations
ignition switch
rear brake lever/parking brake lever
parking brake
lock lever
start button
engine stop
switch
front brake lever
throttle lever
Indicator & Controls
14
08/09/25 13:13:30 31HP2630 0024
Operation Component Locations
storage compartment
flag pole bracket
rear brake pedal
Indicator & Controls
15
08/09/25 13:13:34 31HP2630 0025
Operation Component Locations
fuel valve
shift lever
choke lever
seat lock lever
Indicator & Controls
16
08/09/25 13:13:40 31HP2630 0026
Neutral Indicator Lamp
The neutral indicator lamp ( ) is located on the handlebar case.1
The neutral indicator lamp will light when the transmission is in neutral
and the ignition switch is ON ().
If the indicator does not come on when it should, have your Honda
dealer check for a burned-out bulb or other problems.
Indicator
FRONT
(1) neutral indicator lamp
(1)
Indicator & Controls
17
08/09/25 13:13:49 31HP2630 0027
Controls & Features
Fuel Valve
LEFT SIDE
ON
(1)
(1) fuel valve
OFF
RES
The manual fuel valve ( ) is located on the left side under the fuel tank.
The three-way fuel valve is used to control the flow of fuel from the
fuel tank to the carburetor.
−
ONnormal position for riding.
−
OFF for parking, storing, or transportation.
−
RES for extra fuel to get to a gas supply for refueling.
Reserve Fuel
Remember to check that the fuel valve is in the ON position each time
you refuel. If the fuel valve is left in the RES position, you may run out
of fuel with no reserve.
For complete information about fueling your ATV, see page.
Indicator & Controls
18
1
97
08/09/25 13:13:54 31HP2630 0028
Controls & Features
Choke Lever
LEFT SIDE
(1) choke lever
The choke lever ( ) may be used when starting the engine. See page.561
(1)
((AA))
((BB))
(A) fully ON
(B) fully OFF
Indicator & Controls
19
08/09/25 13:14:03 31HP2630 0029
Controls & Features
Ignition Switch
The ignition switch ( ) is used for starting and stopping the engine
(page). Insert the key and turn it to the right for the ON ()
55
position.
Key PositionFunction
OFF ()
CENTER OF HANDLEBAR
1
Electrical circuits on.ON ()
No electrical circuits function.
OFFON
(1)
(1) ignition switch
Indicator & Controls
20
ON
OFF
08/09/25 13:14:08 31HP2630 0030
Controls & Features
Start Button
LEFT HANDLEBAR
(1)
(1) start buttonSTART
The start button ( ) is used for starting the engine. Pushing the button in
starts the engine. Seepage.
When the start button is pushed, the starter motor will crank the engine.
The starter motor will not operate if the engine stop switch is in the OFF
() position when the start button is pushed.
1
Starting Procedure,
56
Indicator & Controls
21
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