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Honda CR250R 2004 User Manual

Honda CR250R 2004
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HONDA O/M ’04 CR250R (E) 31KSK6000 00X31-KSK-6000
IMPORTANT NOTICE
THIS MOTORCYCLE IS DESIGNED AND MANUFACTURED FOR COMPETITION USE ONLY AND IS SOLD
“AS IS” WITH NO WARRANTY. IT DOES NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY
STANDARDS AND OPERATION ON PUBLIC STREETS, ROADS, OR HIGHWAYS IS ILLEGAL.
STATE LAWS PROHIBIT OPERATION OF THIS MOTORCYCLE EXCEPT IN AN ORGANIZED RACING OR
COMPETITIVE EVENT UPON A CLOSED COURSE WHICH IS CONDUCTED UNDER THE AUSPICES OF A
RECOGNIZED SANCTIONING BODY OR BY PERMIT ISSUED BY THE LOCAL GOVERNMENTAL
AUTHORITY HAVING JURISDICTION.
FIRST DETERMINE THAT OPERATION IS LEGAL.
OPERATOR ONLY, NO PASSENGERS.
This motorcycle is designed and constructed as an operator-only model. The motorcycle load limit and
seating configuration do not safely permit the carrying of a passenger.
READ THIS MANUAL CAREFULLY.
Pay special attention to statements preceded by the following words:
Indicates severe personal injury or death will result if instructions are not followed.
Indicates a strong possibility of severe personal injury or death if instructions are not followed.
CAUTION:
Indicates a possibility of personal injury or equipment damage if instructions are not followed.
NOTE: Gives helpful information.
This manual should be considered a permanent part of the motorcycle and should remain with the
motorcycle when resold.
*CR250R (E) COVER,HYO2 12/10/03, 3:02 PM1

Table of Contents

Questions and Answers:

Honda CR250R 2004 Specifications

General IconGeneral
Displacement249 cc
Bore x Stroke66.4 mm x 72.0 mm
IgnitionCDI
Transmission5-speed
Final DriveChain
Front Tire80/100-21
Rear Tire110/90-19
Engine Type2-stroke single
Carburetion38 mm Keihin
Front Suspension47 mm Showa inverted telescopic fork
Rear SuspensionPro-Link Showa single shock
Front BrakeSingle disc
Rear BrakeSingle disc

Summary

IMPORTANT NOTICE

Honda CR250R OWNER'S MANUAL

TO THE NEW OWNER

PROTECTIVE APPAREL

Essential protective gear for safe motorcycle operation and riding.

MODIFICATIONS

Warning about unauthorized modifications affecting safety or legality.

OPERATING INSTRUCTIONS

FUEL

Details on fuel type, capacity, and proper mixing ratio for the motorcycle.

BASIC OPERATION

General procedures for operating the motorcycle.

CONTROLS

Identification and layout of the motorcycle's primary controls.

Front Brake Lever

Guidance on adjusting the front brake lever position.

Brake Pedal Height

Instructions for adjusting the rear brake pedal to the correct height.

Handlebar Position, Width & Shape

Adjusting handlebar for rider comfort, ergonomics, and preference.

Additional Individualized Adjustments

Options for further personalization of the motorcycle's setup.

CONTROL ADJUSTMENT

Clutch Lever Free Play

Instructions for adjusting the clutch lever for optimal engagement.

ADJUSTMENT FOR PERSONAL FIT

Control Positioning

How to position controls for comfortable and effective rider interaction.

SPECIFICATIONS

OPTIONAL PARTS

SERVICE AND MAINTENANCE

Pre-ride Inspection Check List

Checklist for essential checks before operating the motorcycle.

MAINTENANCE SCHEDULE

Recommended maintenance intervals and tasks based on usage.

GENERAL SERVICE INFORMATION

General guidelines and precautions for performing maintenance.

BETWEEN MOTO/BETWEEN PRACTICE AND MOTO MAINTENANCE

Maintenance tasks to perform between riding sessions.

AFTER RACE MAINTENANCE

Procedures for post-race maintenance to ensure optimal performance.

Routine Cleaning

How to clean the motorcycle after riding, especially in dirty conditions.

GENERAL MAINTENANCE

Routine maintenance tasks for the motorcycle.

SPARK PLUG

Guidance on spark plug selection, inspection, and gap adjustment.

AIR CLEANER

Procedures for cleaning and maintaining the air cleaner assembly.

CLUTCH

Maintenance procedures related to the clutch system.

RCValve

Information and cautions regarding the RC exhaust valve system.

REED VALVE

Maintenance procedures for the reed valve assembly.

CYLINDER HEAD/CYLINDER/PISTON

Maintenance and inspection of engine top-end components.

NUTS, BOLTS, FASTENERS

Torque specifications and fastener checks for the motorcycle.

FUEL FILTER

Servicing the fuel filter to ensure proper fuel flow.

CARBURETOR

Maintenance and adjustment procedures for the carburetor.

DRIVE CHAIN

Inspection, adjustment, and maintenance of the drive chain.

EXPANSION CHAMBER

Inspection and maintenance of the expansion chamber.

TORQUE TABLE

A detailed table listing torque specifications for various motorcycle components.

CARBURETOR ADJUSTMENT

CARBURETOR

General overview of the carburetor system and its circuits.

Starting Circuit

How the starting circuit delivers a rich mixture for engine ignition.

Slow Circuit

Function of the slow jet and air screw in fuel mixture delivery.

Main Circuit

Components and function of the main jet circuit for fuel delivery.

Disassembly/Assembly

Procedures for disassembling and reassembling the carburetor.

Pre-adjustment Checks

Essential checks before adjusting carburetor settings.

Adjustment Procedure

Steps for adjusting carburetor settings for optimal performance.

Circuit Adjustments

Adjusting specific carburetor circuits for performance tuning.

Carburetor Major Adjustments

Major adjustments for carburetor settings based on conditions.

General changes due to temperature and altitude

How temperature and altitude affect engine mixture and adjustments.

TUNING FOR SPECIAL CONDITIONS

SPARK PLUG COLORING INDICATIONS

Interpreting spark plug colors to diagnose engine conditions.

SUSPENSION ADJUSTMENT

RACE SAG

Setting rear spring preload for correct ride height and handling.

REAR SUSPENSION

Adjusting the rear shock absorber for rider weight and track conditions.

Rebound Damping

Adjusting rebound damping for fork extension speed.

Compression Damping

Adjusting compression damping for fork compression speed.

FRONT SUSPENSION

Adjusting front suspension for rider weight and track conditions.

Rebound Damping Adjustment

Detailed procedure for adjusting fork rebound damping.

Compression Damping Adjustment

Detailed procedure for adjusting fork compression damping.

Fork Oil Change

Steps for changing the fork oil to maintain suspension performance.

Fork Disassembly

Steps for disassembling the front fork assembly.

Damper Oil Change

Procedure for changing the damper oil within the fork.

Fork Damper

Installing the fork damper into the outer tube.

Fork Assembly

Procedure for assembling the front fork components.

Fork Oil

Recommended fork oil and its capacity for different springs.

Air Pressure Adjustment

Adjusting air pressure in fork legs for optimal performance.

SUSPENSION ADJUSTMENTS RELATING TO SPECIFIC TRACK CONDITIONS

How track conditions affect suspension tuning.

SUSPENSION ADJUSTMENT GUIDELINES

General guidelines for adjusting suspension settings.

Fork Adjustment

Tuning fork settings for different track surfaces.

Stiff suspension

Adjusting suspension settings when the overall feel is too stiff.

Rear Suspension Adjustment

Adjusting rear suspension for track conditions and rider preference.

CHASSIS ADJUSTMENTS FOR TRACK CONDITIONS

Rear End

Adjusting rear end height for traction and handling.

Fork Height/Angle

Adjusting fork height for optimal front-end feel and handling.

Wheelbase

Adjusting wheelbase for improved traction and handling characteristics.

GEARING SELECTION

How gearing affects power delivery and traction.

TIRE SELECTION

Choosing appropriate tires for optimal performance and grip.

MAINTENANCE, TUNING & RACING LOGBOOK

Maintenance Records

Recording regular maintenance tasks and their frequency.

Tuning Records

Documenting tuning adjustments and their effectiveness for specific conditions.

Racing Records

Recording race results, performance thoughts, and competitor observations.

Resale Value

How maintenance records can impact the motorcycle's resale value.

SPARE PARTS & EQUIPMENT

GENERAL TOOLS

List of essential general tools for maintenance and repairs.

BASIC SPARE PARTS

Essential spare parts to carry for immediate replacement.

BASIC TOOLS

List of basic tools recommended for motorcycle maintenance.

BASIC SUPPLIES

List of essential supplies like oils, lubricants, and cleaners.

TROUBLESHOOTING

CLEANING

Aluminum Frame Maintenance

Cleaning and stain removal for the aluminum frame.

STORAGE

PREPARE THE MOTORCYCLE FOR STORAGE

Essential procedures before storing the motorcycle.

REMOVAL FROM STORAGE

Steps for preparing the motorcycle after storage.

WIRING DIAGRAM

INDEX

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