Honda Big Wheel CRF125F (2018) Manual
Honda
Motorcykel
Big Wheel CRF125F (2018)
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This manual should be considered a permanent part of the motorcycle and should remain with the
motorcycle 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.
This vehicle pictured in this owner’s manual may not match your actual vehicle.
©
Honda Motor Co., Ltd. 2017

2018
Honda CRF125F/FB
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 and Climate Change Canada (ECCC) emission
regulations for off-road motorcycles.

Safety Messages
A Few Words About Safety
Your safety, and the safety of others, is very important. And operating this motorcycle 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 a motorcycle. You must use your own good judgment.
You will find important safety information in a variety of forms, including:
•Safety Labels – on the motorcycle.
•Safety Messages – preceded by a safety alert symbol and one of three signal words:
DANGER, WARNING, or CAUTION.
These signal words mean:

Safety Messages
A Few Words About Safety
•Safety Headings – such as Important Safety Reminders or Important Safety Precautions.
•Safety Section – such as Motorcycle Safety.
•Instructions – how to use this motorcycle correctly and safely.
This entire book is filled with important safety information – please read it carefully.
You WILL be KILLED or 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.

Contents
Contents
Tips............................................................. 119
How to transport and store your motorcycle,
and how to be an environmentally
responsible rider.
Taking Care of the Unexpected ............... 129
What to do if you have a flat tire, your
engine won’t start, etc.
Technical Information.............................. 143
ID numbers, technical specifications, and
other technical facts.
Consumer Information ............................ 159
Information on warranties and how to get
Honda service manuals.
Index .................................................................168
Quick Reference
Handy facts about fuel, engine oil, tire sizes,
and air pressures.

Introduction
Introduction
Congratulations on choosing your Honda off-
road motorcycle.
When you own a Honda, you’re part of a
worldwide family of satisfied customers –
people who appreciate Honda’s reputation for
building quality into every product.
Your Honda was designed as a recreational
motorcycle for off-road use by one rider only.
It’s an ideal bike for younger, beginning riders.
Before riding, take time to get acquainted with
your motorcycle and how it works. To protect
your investment, we urge you to take
responsibility for keeping your motorcycle well
maintained. Scheduled service is a must, of
course. But it’s just as important to observe the
break-in guidelines, and perform all the pre-
ride and other periodic checks detailed in this
manual.
We also recommend that you read the 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 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 162)
thoroughly so you understand the coverages
that protect your new Honda and are aware of
your rights and responsibilities.

Motorcycle Safety 1
Motorcycle Safety
This section presents some of the most
important information and recommendations to
help you ride your motorcycle safely. Please
take a few moments to read these pages. This
section also includes a special message for
parents and location information for the safety
labels on your motorcycle.
Important Safety Information .........................2
Important Message to Parents ........................5
Loading, Accessories & Modifications...........8
Loading ......................................................8
Accessories & Modifications ...................10
Safety Labels.................................................12

4Motorcycle Safety
Important Safety Information
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 motorcycle 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
motorcycle before every ride and perform all
recommended maintenance.

6Motorcycle Safety
Important Message to Parents
MENTAL AND EMOTIONAL MATURITY
are requirements 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 motorcycle.
If you decide that your youngster is ready to
safely operate this motorcycle, make sure both
of you carefully read and understand the
owner’s manual before riding. Also be sure that
your youngster has a helmet and other
appropriate riding equipment, and always
wears it when operating the vehicle or sitting
on it.
GOOD INSTRUCTION is an important part of
hands-on training. The teacher can either be
you or another responsible adult who has
experience with off-road motorcycle riding.
(For help in finding a qualified instructor, talk
with your dealer.) Even if you’re not the main
teacher, it’s up to you to ensure your
youngster’s safety. Remember, learning to ride
a motorcycle is a gradual, step-by-step process.
It takes time, patience, and practice–many
hours over a period of weeks or months.
Instruction and Supervision

Motorcycle Safety 7
Important Message to Parents
SUPERVISION is another important obligation
of parents. Even after youngsters have become
skilled off-road riders, they should always ride
with adult supervision. It helps to regularly
remind young riders of basic safety rules and
precautions. And remember, it’s your
responsibility to see that the motorcycle is
properly maintained and kept in safe operating
condition.
SAFE AND RESPONSIBLE RIDING must be
an on-going commitment – by you and your
youngster. When you both put safety first, you
can enjoy more peace of mind, and your
youngster can enjoy more hours of safe off-
road riding.
For your convenience, this CRF125F/FB
comes with an ignition switch and key. Remove
the key when the motorcycle is parked to help
prevent unauthorized use.

8Motorcycle Safety
Loading, Accessories & Modifications
Your Honda was designed as a rider-only
motorcycle. It was not designed to carry a
passenger or cargo. A passenger or cargo could
interfere with your ability to move around to
maintain your balance and control of the
motorcycle.
In addition, exceeding the weight limits or
carrying an unbalanced load can seriously
affect your motorcycle’s handling, braking, and
stability. Adding accessories or making
modifications that change this motorcycle’s
design and performance can also make it
unsafe. Also, the weight of any accessories will
reduce the maximum load the motorcycle can
carry.
More specific information on load limits,
accessories, and modifications follows.
How much weight you put on your motorcycle,
and how you load it, are important to your safety.
If you decide to carry cargo, you should be aware
of the following information.
Loading
Overloading or carrying a passenger
can cause a crash and you can be
seriously hurt or killed.
Follow all load limits and other loading
guidelines in this manual.

Motorcycle Safety 9
Loading, Accessories & Modifications
Load Limits
Following are the load limits for your
motorcycle:
Maximum weight capacity
Includes the weight of the rider and any
accessories.
Loading Guidelines
As discussed on page 8, we recommend that
you do not carry any cargo on this motorcycle.
However, if you decide to carry cargo, ride at
reduced speeds and follow these common-
sense guidelines:
• Keep cargo small and light. Make sure it
cannot easily be caught on brush or other
objects, and that it does not interfere with
your ability to shift position to maintain
balance and stability.
• Place weight as close to the center of the
motorcycle as possible.
• Do not attach large or heavy items (such as a
sleeping bag or tent) to the handlebar, fork,
or front fender.
• Make sure that all cargo is tied down
securely.
• Never exceed the maximum weight limit.
• Check that both tires are inflated properly.

10 Motorcycle Safety
Loading, Accessories & Modifications
Modifying your motorcycle or using non-
Honda accessories can make your motorcycle
unsafe.
Before you consider making any modifications
or adding an accessory, be sure to read the
following information.
Accessories
We strongly recommend that you use only
Honda Genuine Accessories that have been
specifically designed or approved and tested for
your motorcycle. Because Honda cannot test all
other accessories, you must be personally
responsible for proper selection, installation,
and use of non-Honda accessories. Check with
your dealer for assistance and always follow
this guideline:
• Make sure the accessory does not reduce
ground clearance and lean angle, limit
suspension travel or steering travel, alter
your riding position, or interfere with
operating any controls.
Accessories & Modifications

Motorcycle Safety 11
Loading, Accessories & Modifications
Modifications
We strongly advise you not to remove any
original equipment or modify your motorcycle
in any way that would change its design or
operation. Such changes could seriously impair
your motorcycle’s handling, stability, and
braking, making it unsafe to ride.
We also advise you not to make any
modifications or remove any equipment (such
as the USDA qualified spark arrester or
emission control system components) that
would make the motorcycle illegal in your area.

12 Motorcycle Safety
Safety Labels
This page shows the locations of safety labels on your motorcycle. Some labels warn you of
potential hazards that could cause serious injury. Others provide important safety information. Read
these labels carefully and don’t remove them.
If a label comes off or becomes hard to read, contact your dealer for a replacement.

Operating Controls 13
Operating Controls
When you ride off-road, you need to operate
the throttle, clutch, brakes, and other controls
without stopping to look at them. Read this
section carefully before you ride. It describes
the location, function, and operation of all the
basic controls on your motorcycle.
Operation Component Locations ..................14
Operating Controls........................................17
Fuel Valve.................................................17
Choke Lever..............................................18
Ignition Switch..........................................19
Start Button ...............................................20
Engine Stop Button ...................................20
Front Brake Lever .....................................20
Throttle......................................................20
Clutch Lever..............................................21
Shift Lever ................................................21
Rear Brake Pedal.......................................21
Kickstarter.................................................21
Side Stand .................................................22

14 Operating Controls
Operation Component Locations

Operating Controls 15
Operation Component Locations

16 Operating Controls
Operation Component Locations

Operating Controls 17
Operating Controls
The three-way fuel valve is used to control the
flow of fuel from the fuel tank to the carburetor.
ON
Turning the fuel valve ON before attempting to
start the engine allows fuel to flow from the
fuel tank to the carburetor.
OFF
Turning the fuel valve OFF after stopping the
engine prevents the flow of fuel from the fuel
tank to the carburetor.
RES
Turning the fuel valve to RES allows fuel to
flow from the reserve fuel supply to the
carburetor.
Fuel Valve

Operating Controls 19
Operating Controls
The ignition switch (1) is used to prevent
unauthorized use of the motorcycle.
Before riding, insert the key and turn it to the
ON position.
After parking the motorcycle, remove the key.
Ignition Switch

20 Operating Controls
Operating Controls
The start button is used for starting the engine.
Pushing the button in starts the engine. See
Starting Procedure, page 31.
When the start button is pushed, the starter
motor will crank the engine.
The engine stop button is used to turn the
engine off during normal riding situations. To
operate, push the button in and hold it in until
the engine stops completely.
The front brake lever is used to slow or stop
your motorcycle. To operate, pull the lever.
For information on braking techniques, see
page 37.
The throttle controls engine rpm (speed). To
increase engine rpm, rotate the grip toward you.
To reduce engine rpm, rotate the grip away
from you. The throttle will automatically return
to the closed position (engine idle) when you
remove your hand.
Start Button
Engine Stop Button
Front Brake Lever
Throttle

Operating Controls 21
Operating Controls
The clutch lever is used to disengage the clutch
whenever you shift gears. To operate, pull the
clutch lever in all the way before shifting, then
slowly release it after shifting.
The shift lever is used to select the next higher
or lower gear in the transmission. To operate,
raise the shift lever (after pulling in the clutch
lever) to engage the next higher gear or depress
the shift lever to engage the next lower gear.
See Shifting Gears, page 35.
The rear brake pedal is used to slow or stop
your motorcycle. To operate, depress the pedal.
For information on braking techniques, see
page 37.
The kickstarter is used to start the engine. To
operate, swing the kickstarter out from its
stored position and depress it through its entire
stroke. See Starting Procedure, page 31.
Clutch Lever
Shift Lever
Rear Brake Pedal
Kickstarter

22 Operating Controls
Operating Controls
The side stand is used to support your
motorcycle while parked (page 39). To operate,
use your foot to lower the stand. Before riding,
raise the stand.
Side Stand

Before Riding 23
Before Riding
Before each ride, you need to make sure you
and your Honda are both ready to ride. To help
get you prepared, this section discusses how to
evaluate your riding readiness, and how to
perform the recommended pre-ride inspection
of your Honda. If you’re a parent, be sure you
also read the Important Message to Parents on
page 5.
Are You Ready to Ride? ...............................24
Protective Apparel ...................................24
Is Your Motorcycle Ready to Ride? .............26
Pre-ride Inspection ...................................26

24 Before Riding
Are You Ready to Ride?
Before you ride your motorcycle for the first
time, we strongly recommend that you:
• read this owner’s manual
• make sure you understand all the safety
messages
• know how to operate all the controls
Before each ride, we also suggest that you
make sure you:
• are in good physical and mental condition
• are free of alcohol and drugs
• are wearing an approved motorcycle helmet
(with chin strap tightened securely), eye
protection, and other protective clothing
For your safety, we strongly recommend that
you always wear an approved motorcycle
helmet, eye protection, boots, gloves, long
pants, and a long-sleeved jersey, shirt, or jacket
whenever you ride. Although complete
protection is not possible, wearing the proper
gear can reduce the chance of injury when you
ride. Following are suggestions to help you
choose the proper gear.
Protective Apparel

26 Before Riding
Is Your Motorcycle Ready to Ride?
Before each ride, it’s important to inspect your
motorcycle and make sure any problem you
find is corrected. A pre-ride inspection is a
must because off-road riding can be tough on a
motorcycle and you don’t want to have a
breakdown far from help.
Note to Parents:
If a youngster will be performing any of the
following pre-ride inspection procedures, it’s
your responsibility to provide careful
supervision and make sure they are performed
safely.
Check the following items before you get on
the motorcycle:
Pre-ride Inspection
Tires Use a gauge to check the air
pressure. Adjust if needed. Also
look for signs of damage or
excessive wear (page 99).
Spokes &
Rims
Make sure the spokes and the
rims lock are tight. Also check
the rims for damage (page 94).

Before Riding 27
Is Your Motorcycle Ready to Ride?
Leaks Look under the motorcycle for
signs of leaking fluids (fuel,
engine oil, brake fluid).
Engine Oil Check the level and add oil if
needed (page 64).
Fuel Check the level and add fuel
(page 59) if needed. Also make
sure the fuel fill cap is securely
fastened.
Drive Chain Check the condition and slack.
Adjust and lubricate if needed.
Also check the chain slider for
wear and replace if needed
(page 104).
Cables Check the cable housings for
wear. Check the fittings for
looseness. Replace or tighten as
needed.
Nuts & Bolts Use a wrench to make sure all
accessible nuts, bolts, and
fasteners are tight.
Spark Plug
& Cap
Check for looseness (page 78).

28 Before Riding
Is Your Motorcycle Ready to Ride?
Check these items after you get on the
motorcycle:
Throttle Check the freeplay and adjust if
needed. Rotate the throttle to
make sure it moves smoothly
without sticking, and snaps shut
automatically when it is
released, in all steering positions
(page 72).
Brakes Squeeze the front brake lever
and step on the rear brake
pedal to check that the
controls operate normally
(pages 85, 89).
Check for proper freeplay
(pages 85, 89).
Adjust freeplay, if necessary.
(pages 85, 89).
Clutch
Lever
Check for smooth operation and
adjust if needed (page 74).
Remember, be sure to take care of any problem
you find or have your dealer correct it before
you ride.

Basic Operation & Riding 29
Basic Operation & Riding
This section gives basic information on how to
begin riding your motorcycle. It includes how
to start and stop your engine, how to use the
throttle, clutch, and brakes, and what to do
when you’re through riding.
For more information on how to make turns,
ride on hills, etc., see the Tips & Practice Guide
for the Off -Highway Motorcyclist booklet that
came with your Honda (USA only).
To protect your new engine and enjoy optimum
performance and service life, refer to Break-in
Guidelines (page 151).
Safe Riding Precautions ................................30
Starting & Stopping the Engine ....................31
Preparation ............................................... 31
Starting Procedure.....................................31
Flooded Engine .........................................34
How to Stop the Engine ............................34
Shifting Gears ...............................................35
Braking..........................................................37
Parking ..........................................................39
Post-ride Inspection.......................................40

30 Basic Operation & Riding
Basic Operation & Riding
Before riding your motorcycle for the first
time, please review the Important Safety
Information beginning on page 2 and the
previous section, titled Before Riding.
Even if you have ridden other motorcycles,
take time to become familiar with how this
motorcycle works and handles. Practice in a
safe area until you build up your skills and get
accustomed to your motorcycle’s size and
weight.
For your safety, avoid starting or operating the
engine in an enclosed area such as a garage.
Your motorcycle’s exhaust contains poisonous
carbon monoxide gas which can collect rapidly
in an enclosed area and cause illness or death.
Your motorcycle is not equipped with lights.
Do not ride at night.
Safe Riding Precautions

Basic Operation & Riding 31
Starting & Stopping the Engine
Always follow the proper starting procedure
described below.
Your motorcycle can be started with the
transmission in gear by pulling in the clutch
lever before operating the starter.
Before starting, insert the key and turn the
ignition switch ON.
Make sure that the transmission is in neutral.
Turn the fuel valve ON.
To restart a warm engine, follow the procedure
for High Air Temperature.
Normal Air Temperature
10°–35°C (50°–95°F)
1. Pull the choke lever (1) up all the way to
fully ON (A). (cont’d)
Preparation
Starting Procedure

32 Basic Operation & Riding
Starting & Stopping the Engine
2. Using the start button
With the throttle slightly open, press the start
button.
Using the kickstarter
Lightly depress the kickstarter until
resistance is felt.
Then let the kickstarter return to the top of
its stroke.
With the throttle slightly open, operate the
kickstarter.
Kick from the top of the stroke through to
the bottom with a rapid, continuous motion.
NOTICE
Allowing the kickstarter to snap back freely
against the pedal stop can damage the engine
case.
3. Immediately after the engine starts, push the
choke lever down to the detent position (B).
4. Warm up the engine by opening and closing
the throttle slightly.
5. About a half-minute after the engine starts,
push the choke lever down all the way to
fully OFF (C).
6. If idling is unstable, open the throttle slightly.

Basic Operation & Riding 33
Starting & Stopping the Engine
High Air Temperature
35°C (95°F) or above
1. Do not use the choke.
2. Start the engine (see step 2 under Normal Air
Temperature).
Low Air Temperature
10°C (50°F) or below
1. Follow steps 1 – 3 under Normal Air
Temperature.
2. Warm up the engine by opening and closing
the throttle slightly.
3. Continue warming up the engine until it will
idle smoothly with the choke lever (1)
pushed down all the way to fully OFF (C).
NOTICE
Extended use of the choke may impair piston
and cylinder wall lubrication and damage the
engine.

34 Basic Operation & Riding
Starting & Stopping the Engine
If the engine fails to start after repeated
attempts, it may be flooded with excess fuel.
To clear a flooded engine:
Using The Start Button
1. Push the choke lever down all the way to
OFF.
2. Open the throttle fully.
3. While pushing the engine stop button, press
the start button for 5 seconds.
4. Release the engine stop button.
5. Follow the High Air Temperature starting
procedure (page 33).
Using The Kickstarter
1. Push the choke lever down all the way to
OFF.
2. Open the throttle fully.
3. While pushing the engine stop button, crank
the engine several times with the kickstarter.
4. Release the engine stop button.
5. Follow the High Air Temperature starting
procedure (page 33).
To stop the engine, shift into neutral, push the
engine stop button in, and hold it in until the
engine stops.
Flooded Engine
How to Stop the Engine
Produkt Specifikationer
Mærke: | Honda |
Kategori: | Motorcykel |
Model: | Big Wheel CRF125F (2018) |
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