IMPORTANT NOTICES
FOR COMPETITION USE ONLY
This Motorcycle is designed, manufactured and sold for closed-course competition use only. It does not confor m to
Federal Motor Vehicle Safety Standards or U.S. EPA Noise and Emission Standards. Operation on public streets,
roads, highways or for off-road recreation is illegal.
State and federal laws prohibit operation of this vehicle except in an organized racing or competitive event on a
closed course, or by permit issued by the local governmental jurisdiction. This vehicle is sold “as is” with no
warranties.
FOR EXPERIENCED RIDERS, NO PASSENGERS
This motorcycle is designed as an operator-only vehicle and for use by experienced riders only. The load limit and
seating configuration do not safely permit the carrying of a passenger.
This manual should be considered a permanent part of the motorcycle and should remain with the motorcycle when it is resold.
All information in this publication is based on the latest product information available at the time of approval for 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 CRF250R
OWNER’S MANUAL & COMPETITION HANDBOOK
Introduction
Introduction
Congratulations on choosing your Honda CRF
motocross 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 CRF is a high performance racing
motorcycle that utilizes the latest motocross
technology and is intended for competition use in
sanctioned, closed-course events by experienced
riders only.
Be aware that motocross is a physically demanding
sport that requires more than just a fine
motorcycle. To do well, you must be in excellent
physical condition and be a skillful rider. For the
best results, work diligently on your physical
conditioning and practice frequently.
Before riding, take time to get acquainted with
your CRF and how it works. To protect your
investment, we urge you to take responsibility for
keeping your CRF 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.
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 CRF, other property, or the environment.
Unless you are mechanically qualified and have
the proper tools, you should see your dealer for the
service and adjustment procedures discussed in
this manual.
An official Honda Service Manual for your CRF is
available (page 166). It is the same manual your
dealer uses. If you plan to do any service on your
CRF beyond the standard maintenance procedures
in this manual, you will find an official Honda
Service Manual a valuable reference.
If you have any questions, or if you ever need a
special service or repairs, remember that your
Honda dealer knows your CRF best and is
dedicated to your complete satisfaction.
Please report any change of address or ownership
to your dealer so we will be able to contact you
concerning important product information.
You may also want to visit our website at
USA: www.powersports.honda.com.
Canada: www.honda.ca.
ABBREVIATION
Throughout this manual, the following
abbreviations are used to identify the respective
parts or system.
Abbrev. term Full term
CKP sensor Crankshaft Position sensor
DLC Data Link Connector
DTC Diagnostic Trouble Code
ECM Engine Control Module
ECT sensor Engine Coolant Temperature
sensor
IAT sensor Intake Air Temperature sensor
MAP sensor Manifold Absolute Pressure sensor
MIL Malfunction Indicator Lamp
PGM-FI Programmed Fuel Injection
TDC Top Dead Center
TP sensor Throttle Position sensor
You should also 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 table of contents, a
detailed list of topics at the beginning of each
section, and an index at the back of the book.
Introduction
Happy riding!
A Few Words About Safety
DANGER
WARNING
CAUTION
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, this manual contains a section devoted to Motorcycle Safety, as well as a number of Safety Messages throughout
the manual.
Safety Messages are preceded by a safety alert symbol and one of three signal words: DANGER, WARNING, or CAUTION.
These signal words mean:
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.
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.
Safety Messages
Contents
MOTORCYCLE SAFETY............................. 1
Important Safety Information ........................... 2
Important Safety Precautions........................ 2
Accessories & Modifications ........................... 3
Safety Labels .................................................... 4
INSTRUMENTS & CONTROLS.................. 5
Operation Component Locations ...................... 6
MIL (Malfunction Indicator Lamp) ................. 7
MIL Blink Pattern ......................................... 7
Current DTC/Freeze DTC............................. 7
Circuit Inspection.......................................... 8
DTC Index................................................. ....9
Mode Indicator ...............................................10
BEFORE RIDING......................................... 11
Are You Ready to Ride? ................................ 12
Is Your Motorcycle Ready to Ride? ............... 13
Pre-ride Inspection ...................................... 13
BASIC OPERATING INSTRUCTIONS.... 15
Safe Riding Precautions.............................. 16
Starting & Stopping the Engine ...................... 17
Fast Idle Knob.............................. .... ........... 17
Preparation .................................................. 17
Starting Procedure....................................... 17
How to Stop the Engine .............................. 18
Break-in Guidelines ........................................ 19
SERVICING YOUR HONDA......................21
Before You Service Your Honda
The Importance of Maintenance .....................22
Maintenance Safety .........................................23
Important Safety Precautions.......................23
Maintenance Schedule ....................................24
General Competition Maintenance .................2 6
Before & After Competition Maintenance .....3 0
Between Motos & Practice Maintenance.....30
After Competition Maintenance ..................31
Service Preparations
Maintenance Component Locations ...............32
Seat .................................................................. 33
Fuel Tank ........................................................34
Subframe ......................................................... 37
Service Procedures
Fluids & Filters
Fuel System .....................................................41
Engine Oil .......................................................51
Coolant ............................................................ 54
Air Cleaner ......................................................56
Crankcase Breather .........................................58
Engine
Throttle ............................................................ 59
Engine Idle Speed ...........................................61
Clutch System .................................................62
Spark Plug .......................................................67
Valve Clearance ......... .....................................68
Piston/Piston Rings/Piston Pin ........................79
Chassis
Suspension ...................................................... 88
Brakes ........................................................... 105
Wheels .......................................................... 109
Tires & Tubes .......... .....................................110
Drive Chain .................................................. 112
Exhaust Pipe/Muffler ....................................115
Additional Maintenance Procedures ............. 119
Electrical
Battery .......................................................... 121
Appearance Care .......................................... 123
Contents
Contents
ADJUSTMENTS FOR COMPETITION.. 125
Engine Mode Select Button .......................... 126
Current Mode ............................................ 126
Mode Selection.......................................... 126
Front Suspension Adjustments ..................... 127
Front Suspension Air Pressure.................. 127
Front Suspension Damping....................... 128
Fork Springs.............................................. 128
Fork Oil Adjustment.................................. 129
Rear Suspension Adjustments ...................... 130
Rear Suspension Spring Pre-Load............. 130
Rear Suspension Damping........................ 131
Rear Suspension Race Sag........................132
Suspension Adjustments for Track
Conditions .................................................. 134
Suspension Adjustment Guidelines .............. 135
Tuning Tips .................................................. 138
Spark Plug Reading................................... 138
Chassis Adjustments ..................................... 139
Rear End.................................................... 139
Fork Height/Angle..................................... 139
Wheelbase ................................................. 139
Gearing ......................................................... 140
Tire Selection for Track Conditions ............. 141
Personal Fit Adjustments .............................. 142
Control Positioning ................................... 142
Handlebar Position, Width & Shape......... 142
TIPS...............................................................143
Transporting Your Motorcycle .....................144
Storing Your Honda ......................................145
Preparation for Storage.................. ............145
Removal from Storage..... ..........................145
You & the Environment ................................146
Troubleshooting ............................................147
TAKING CARE OF THE UNEXPECTED..149
If a Fuse Blows .............................................150
If Your Battery Is Low (or Dead) .................151
TECHNICAL INFORMATION.................153
Vehicle Identification ....................................154
Serial Numbers ..........................................154
Specifications ................................................155
Torque Specifications ...................................156
Nuts, Bolts, Fasteners................................156
Oxygenated Fuels ..........................................159
Competition Logbook ...................................160
Optional Parts List ........................................162
Spare Parts & Equipment ..............................163
Spare Parts ................................................. 163
General Tools.............................................163
Honda Special Tools..................................163
Chemical Products.....................................163
Other Products ...........................................163
Wiring Diagram ............................................164
INDEX.......................................................... 170
QUICK REFERENCE
CONSUMER INFORMATION .................165
Authorized Manuals ......................................166
Contacting Honda .........................................167
Your Honda Dealer .......................................168
The Honda Rider’s Club (USA only) ...........169
Contents
Motorcycle Safety
Motorcycle Safety
This section presents some of the most important
information and recommendations to help you ride
your CRF safely. Please take a few moments to
read these pages. This section also includes
information about the location of safety labels on
your CRF.
Important Safety Information ............................2
Important Safety Precautions.........................2
Accessories & Modifications.............................3
Safety Labels......................................................4
Motorcycle Safety 1
Important Safety Information
Important Safety Information
Important Safety Precautions
Your CRF can provide many years of pleasure, if
you take responsibility for your own safety and
understand the challenges you can meet in
competitive racing.
As an experienced rider, you know there is much
you can do to protect yourself when you ride.
The following are a few precautions we consider to
be most important.
Never Carry a Passenger.
Your CRF is designed for one operator only.
Carrying a passenger can cause a crash in which
you and others can be hurt.
Wear Protective Gear.
Whether you’re practicing to improve your skills,
or riding in competition, always wear an approved
helmet, eye protection, and proper protective gear.
Take Time to Get to Know Your CRF.
Because every motorcycle is unique, take time to
become thoroughly familiar with how this one
operates and responds to your commands before
placing your machine, and yourself, in
competition.
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.
Maintaining your CRF properly is critical to your
safety. A loose bolt, for example, can cause a
breakdown in which you can be seriously injured.
Lithium-Ion (Li-Ion) Battery.
If you smell an unusual odor coming from the
lithium-ion (li-ion) battery, park your CRF in a
safe place outside and away from flammable
objects, then stop the engine. Have your CRF
inspected by your dealer immediately.
Learn and Respect Your Limits.
Never ride beyond your personal abilities or faster
than conditions warrant. Remember that alcohol,
drugs, illness and fatigue can reduce your ability to
perform well and ride safely.
2 Motorcycle Safety
Accessories & Modifications
WARNING
Accessories & Modifications
Installing non-Honda accessories, removing
original equipment, or modifying your CRF in any
way that would change its design or operation,
could seriously impair your CRF’s handling,
stability, and braking, making it unsafe to ride.
Improper accessories or modifications
can cause a crash in which you can be
seriously hurt or killed.
Follow all instructions in this owner’s
manual regarding modifications and
accessories.
Accessories & Modifications
Motorcycle Safety 3
(For Canada)
Safety Labels
Safety Labels
Read these labels carefully and don’t remove them.
If a label comes off or becomes hard to read, contact your dealer for replacement.
4 Motorcycle Safety
Instruments & Controls
Instruments & Controls
Read this section carefully before you ride. It
presents the location of the basic controls on your
CRF.
Operation Component Locations.......................6
MIL (Malfunction Indicator Lamp)...................7
MIL Blink Pattern..........................................7
Current DTC/Freeze DTC .............................7
Circuit Inspection...........................................8
DTC Index .....................................................9
Mode Indicator.................................................10
Instruments & Controls 5
Operation Component Locations
clutch lever
engine stop button
front brake lever
throttle grip
MIL/mode indicator
engine mode select button
start button
fast idle knob
(engine idle speed)
shift lever
rear brake pedal
Operation Component Locations
6 Instruments & Controls
MIL (Malfunction Indicator Lamp)
(1)
MIL (Malfunction Indicator Lamp)
The MIL (1) on your CRF keeps you informed,
alerts you to possible problems, and makes your
riding safer and more enjoyable. Refer to the MIL
frequently.
(1) MIL (amber)
When starting the engine, the MIL (amber) will
stays on for 2 seconds and then go off.
This is normal.
The MIL blinks when there is any abnormality in
the PGM-FI system.
If the MIL comes on at any other time, reduce
speed and refer to an official Honda Service
Manual available for purchase from your dealer
(page 168).
MIL Blink Pattern Current DTC/Freeze DTC
The MIL will blink the appropriate DTC number if
the ECM detects an active problem while the
engine is running at less than 4,000 rpm.
The MIL will stay on when engine speed is over
4,000 rpm.
The MIL has two types of blinks: a long blink and
short blink. The long blinking lasts for 1.2 seco nds,
the short blinking lasts for 0.4 seconds.
One long blink is the equivalent of ten short blinks.
For example, when one long blink is followed by
two short blinks, the MIL is 12 (one long blink =
10 blinks, plus two short blinks).
When the ECM stores more than one DTC, the
MIL will indicate them by blinking in the order
from the lowest number to highest number.
The DTC is indicated in two ways according to the
failure status.
– When the engine starts, the MIL stays on for 2
seconds, then goes off.
If the ECM detects a DTC, the MIL starts
blinking (indicating the DTC number by the
number of blinks in amber).
Even when the MIL is blinking, you can change
the engine modes. However, you cannot change
the engine modes when the indicator is blinking
DTC 1, 2 or 8.
After an engine mode is selected, the MIL
restarts blinking the current DTC number.
– In the case that the ECM does not detect an
active problem but has recorded a previous
problem in its memory, the MIL will not come
on. If it is necessary to retrieve any past
problems stored in the memory, refer to an
official Honda Service Manual.
If the MIL does not come on when the engine is
started, have your dealer check it for problems.
Instruments & Controls 7
MIL (Malfunction Indicator Lamp)
(4)
(5)
(7)
(2)
(6)
(1)
(3)
Circuit Inspection
Always clean around the ECM and keep debris
away from the connectors before disconnecting
them.
A faulty PGM-FI system is often related to poorly
connected or corroded connections. Check the
following connections.
(1) MAP sensor connector
(2) ECT sensor connector
(3) TP sensor connector
(4) IAT sensor connector
(5) Injector connector
(6) CKP sensor connector
(7) ECM connector
Remember, circuit inspection is not a “cure-all” for
other problems in your engine’s PGM-FI system.
8 Instruments & Controls
DTC Index
Refer to MIL Blink Pattern on page 7.
MIL (Malfunction Indicator Lamp)
MIL blinks
1 MAP sensor circuit malfunction Poor performance (drivability)
2 MAP sensor performance problem Poor performance (drivability)
7 ECT sensor circuit malfunction Hard start at a low temperature
8 TP sensor circuit malfunction Poor engine acceleration
9 IAT sensor circuit malfunction Engine operates normally
12 Injector circuit malfunction
Should be serviced by your dealer, unless the owner has proper tools and is technically qualified.
The series of 12 MIL blinks cannot be checked because the engine cannot be started.
If the engine does not start, check all connector connections and/or refer to an official Honda Service
Manual (page 166) for troubleshooting of the PGM-FI symptom.
Function Failure Symptom/Fail-safe function
• Engine does not start
• Injector, fuel pump and ignition shut down
Instruments & Controls 9
Mode Indicator
(2)
(1)
Mode Indicator
The mode indicator (blue) (1) is located under the
engine mode select button (2).
The mode indicator indicates the currently selected
mode by blinking the mode number once when the
engine is started.
(1) mode indicator (blue)
(2) engine mode select button
The mode indicator indicates a selected mode
when you operate the engine mode select button
(page 126).
If the mode indicator stays on or does not come on
when it should, have your dealer check it for
problems.
10 Instruments & Controls
Before Riding
Before Riding
Before each ride, you need to make sure you and
your CRF are both ready to ride. To help get you
prepared, this section discusses how to evaluate
your riding readiness, and what items you should
check on your CRF.
For information about suspension and other
adjustments, see page 125.
Are You Ready to Ride?..................................12
Is Your Motorcycle Ready to Ride? ................13
Pre-ride Inspection.......................................13
Before Riding 11
Are You Ready to Ride?
WARNING
Are You Ready to Ride?
Before riding your CRF for the first time, we
strongly recommend that you read this owner’s
manual, make sure you understand the safety
messages, and know how to operate the controls.
Before each ride, it’s also important to make sure
you and your CRF are both ready to ride.
For information about suspension and other
adjustments, see page 125.
Whether you’re preparing for competition or for
practice, always make sure you are:
• In good physical and mental condition
• Free of alcohol and drugs
• Wearing an approved helmet, eye protection,
and other appropriate riding gear
Not wearing a helmet increases the
chance of serious injury or death in a
crash.
Be sure you always wear a helmet, eye
protection and other protective apparel
when you ride.
Although complete protection is not possible,
wearing the proper gear can reduce the chance or
severity of injury when you ride.
12 Before Riding
Is Your Motorcycle Ready to Ride?
WARNING
Is Your Motorcycle Ready to Ride?
Competitive riding can be tough on a motorcycle,
so it’s important to inspect your CRF and correct
any problems you find before each ride. Check the
following items (page numbers are at the right):
Improperly maintaining this motorcycle or
failing to correct a problem before riding
can cause a crash in which you can be
seriously hurt or killed.
Always perform a pre-ride inspection
before every ride and correct any
problems.
Pre-ride Inspection
Check the following before each ride:
• Engine oil level............................ .... ..... ...... 52
• Fuel line for condition ................................ 41
• Coolant for proper level.............................. 54
• Cooling system and hoses for condition..... 55
• Spark plug for proper heat range, carbon
fouling and spark plug wire terminal for
looseness..................................................... 67
• Air cleaner for condition and
contamination .............................................56
• Clutch lever freeplay................................... 62
• Breather drain for cleaning ......................... 58
• Steering head bearing and related parts for
condition ................................................... 119
• Throttle operation ....................................... 59
• Tires for damage or improper inflation
pressure..................................................... 110
• Spokes for looseness................................. 109
• Rim locks for looseness............................109
• Front and rear suspension for proper
operation ............................................. 88, 104
• Front and rear brakes, check operation..... 105
• Drive chain for correct slack and adequate
lubrication.................. ....................... 112, 113
• Drive chain sliders and drive chain rollers
for damage or wear...........................112, 113
• Exhaust pipe/Muffler for looseness.......... 115
• Every possible part for looseness (such as
cylinder head bolts, engine mounting bolts/
nuts, axle nuts, handlebar holder bolts/nuts,
fork bridge pinch bolts, drive chain adjuster
lock nuts, drive chain roller bolt/nut, wire
harness connectors)............................156-158
• MIL operation............ ................................... 7
Before Riding 13
14 Before Riding
Basic Operating Instructions
Basic Operating Instructions
This section gives basic information on how to
start and stop your engine as well as break-in
guidelines.
Safe Riding Precautions...............................1 6
Starting & Stopping the Engine.......................17
Fast Idle Knob..............................................17
Preparation...................................................17
Starting Procedure........................................17
How to Stop the Engine...............................18
Break-in Guidelines .........................................19
Basic Operating Instructions 15
Basic Operating Instructions
WARNING
Basic Operating Instructions
Safe Riding Precautions
Before riding your CRF for the first time, please
review the Important Safety Precautions
beginning on page 2 and the previous section,
titled Before Riding.
For your safety, avoid starting or operating the
engine in an enclosed area such as a garage.
Your CRF’s exhaust contains poisonous carbon
monoxide gas which can collect rapidly in an
enclosed area and cause illness or death.
Running the engine of your vehicle while
in an enclosed or even partially enclosed
area can cause a rapid build-up of toxic
carbon monoxide gas.
Breathing this colorless, odorless gas can
quickly cause unconsciousness and lead
to death.
Only run your vehicle's engine when it is
located in a well ventilated area outdoors.
16 Basic Operating Instructions
Starting & Stopping the Engine
(1)
(2)
Starting & Stopping the Engine
Always follow the proper starting procedure
described below.
Your CRF can be started with the transmission in
gear by pulling in the clutch lever before operating
the start button.
Fast Idle Knob
The fast idle knob has two functions:
• When pulled out, the fast idle knob assists in
first-time start-up for cold weather starting.
• When pushed in, it acts like an idle adjustment
screw. Refer to Idle Speed Adjustment on
page 61.
Preparation
Make sure that the transmission is in neutral.
Starting Procedure
Always follow the proper starting procedure
described as follows.
Check the engine oil and coolant levels before
starting the engine (pages 52, 54).
Cold Engine Starting
1. Shift the transmission into neutral.
2. If the temperature is 50°F (10°C) or below,
pull the fast idle knob (1) fully out.
3. With the throttle closed.
Pull the clutch lever all the way in, and depress
the start button (2).
(2) start button
4. About a minute after the engine starts, push the
fast idle knob back all the way to fully OFF.
If idling is unstable, open the throttle slightly.
(1) fast idle knob
(cont’d)
Basic Operating Instructions 17
Starting & Stopping the Engine
(1)
(1)
Warm Engine Starting
1. Shift the transmission into neutral.
2. Pull the clutch lever all the way in, and depress
the start button. (Do not open the throttle.)
Starting the engine excessively charged with fuel
by throttle blipping or other reasons
1. Shift the transmission into neutral.
2. With the throttle fully opened, pull the clutch
lever all the way in, and depress the start button
for 5 seconds to discharge excessive fuel from
the engine.
3. Pull the clutch lever all the way in, and depress
the start button. (Do not open the throttle.)
Snapping the throttle or fast idling for more than
about 5 minutes may cause exhaust pipe and
muffler discolorations.
When starting the engine, the MIL (amber) will
stay on for 2 seconds, then go off. And then the
mode indicator (blue) indicates the current engine
mode for 0.8 seconds, then goes off. If the MIL/
mode indicator (1) does not come on or go off
when it should, have your dealer check it for
problems.
(1) MIL (amber) / mode indicator (blue)
How to Stop the Engine
Normal Engine Stop
1. Shift the transmission into neutral.
2. Push and hold the engine stop button (1) until
the engine stops completely.
(1) engine stop button
Emergency Engine Stop
To stop the engine in an emergency, push and hold
the engine stop button.
18 Basic Operating Instructions
Break-in Guidelines
Help assure your CRF’s future reliability and
performance by paying extra attention to how you
ride during the first operating day or 15 miles (25
km).
During this period, avoid full-throttle starts and
rapid acceleration.
This same procedure should be followed each time
when:
• piston is replaced
• piston rings are replaced
• cylinder is replaced
• crankshaft or crank bearings are replaced
Break-in Guidelines
Basic Operating Instructions 19
20 Basic Operating Instructions
Servicing Your Honda
Servicing Your Honda
Keeping your CRF well maintained is absolutely
essential to your safety. It’s also a good way to
protect your investment, get maximum
performance, avoid breakdowns, and have more
fun.
To help keep your CRF in good shape, this section
includes a Maintenance Schedule for required
servicing and step-by-step instructions for specific
maintenance tasks. You’ll also find important
safety precautions, information on oils, and tips for
keeping your CRF looking good.
An ECM system is used on this motorcycle;
consequently, routine ignition timing adjustment is
unnecessary. If you want to check the ignition
timing, refer to an official Honda Service Manual
(page 166).
An optional tool kit may be available. Check with
your dealer’s parts department.
Before You Service Your Honda
The Importance of Maintenance......................22
Maintenance Safety..........................................23
Important Safety Precautions.......................23
Maintenance Schedule.....................................24
General Competition Maintenance..................26
Before & After Competition Maintenance ......30
Between Motos & Practice Maintenance.....30
After Competition Maintenance ..................31
Service Preparations
Maintenance Component Locations ................32
Seat...................................................................33
Fuel Tank.........................................................34
Subframe..........................................................37
Service Procedures
Fluids & Filters
Fuel System......................................................41
Engine Oil........................................................51
Coolant.............................................................54
Air Cleaner...................................................... .56
Crankcase Breather..........................................58
Engine
Throttle.............................................................59
Engine Idle Speed............................................61
Clutch System..................................................62
Spark Plug........................................................67
Valve Clearance...... .... ..... ................................68
Piston/Piston Rings/Piston Pin.........................79
Chassis
Suspension.......................................................88
Brakes............................................................ 105
Wheels...........................................................109
Tires & Tubes................................................110
Drive Chain ................................................... 112
Exhaust Pipe/Muffler.....................................115
Additional Maintenance Procedures.............. 119
Electrical
Battery ...........................................................121
Appearance Care ........................................... 123
Servicing Your Honda 21
The Importance of Maintenance
WARNING
The Importance of Maintenance
Keeping your CRF well-maintained is absolutely
essential to your safety. It’s also a good way to get
maximum performance during each moto.
Careful pre-ride inspections and good maintenance
are especially important because your CRF is
designed to be ridden in off-road competition.
Remember, proper maintenance is your
responsibility. Be sure to inspect your CRF before
each ride and follow the Maintenance Schedule in
this section.
Improperly maintaining this motorcycle or
failing to correct a problem before you ride
can cause a crash in which you can be
seriously hurt or killed.
Always follow the inspection and
maintenance recommendations and
schedules in this owner’s manual.
22 Servicing Your Honda
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