Honda CRF250R 2006 User Manual

Contents
MOTORCYCLE SAFETY...............................1
Important Safety Information..............................2
Important Safety Precautions..........................2
Accessories & Modifications..............................3
Safety Labels.......................................................4
OPERATING CONTROLS .............................5
Operation Component Locations ........................6
BEFORE RIDING ............................................7
Are You Ready to Ride? .....................................8
Is Your Motorcycle Ready to Ride?....................9
Pre-ride Inspection..........................................9
BASIC OPERATING INSTRUCTIONS ......11
Safe Riding Precautions................................12
Starting & Stopping the Engine........................13
Break-in Guidelines ..........................................15
SERVICING YOUR HONDA........................17
Before You Service Your Honda
The Importance of Maintenance .......................18
Maintenance Safety...........................................19
Important Safety Precautions........................19
Maintenance Schedule ......................................20
General Competition Maintenance ...................22
Before & After Competition Maintenance........26
Between Motos & Practice Maintenance .....26
After Competition Maintenance ...................26
Service Preparations
Maintenance Component Locations..................28
Seat Removal ....................................................29
Fuel Tank Removal ...........................................30
Subframe Removal............................................32
Service Procedures
Fluids & Filters
Fuel System.......................................................34
Engine Oil .........................................................36
Transmission Oil ...............................................39
Coolant ..............................................................41
Air Cleaner........................................................43
Crankcase Breather ...........................................45
Engine
Throttle..............................................................46
Engine Idle Speed .............................................48
Clutch System ...................................................49
Hot Start Lever..................................................54
Spark Plug .........................................................55
Valve Clearance.................................................56
Piston/Piston Rings/Piston Pin..........................64
Chassis
Suspension.........................................................72
Brakes................................................................77
Wheels...............................................................81
Tires & Tubes....................................................82
Drive Chain .......................................................84
Exhaust Pipe/Muffler ........................................87
Additional Maintenance Procedures .................91
Appearance Care ...............................................93
ADJUSTMENTS FOR COMPETITION .....95
Front Suspension Adjustments..........................96
Rear Suspension Adjustments.........................109
Suspension Adjustments for Track
Conditions ...................................................113
Suspension Adjustment Guidelines.................114
Carburetor Adjustments & Tuning Tips..........117
Chassis Adjustments........................................129
Gearing............................................................130
Tire Selection for Track Conditions................131
Personal Fit Adjustments ................................132
TIPS................................................................133
Transporting Your Motorcycle ........................134
Storing Your Honda.........................................135
You & the Environment ..................................136
Troubleshooting...............................................137
TECHNICAL INFORMATION ..................139
Vehicle Identification ......................................140
Specifications ..................................................141
Torque Specifications......................................142
High Altitude Carburetor Adjustment.............145
Oxygenated Fuels............................................146
Competition Logbook .....................................147
Optional Parts List ..........................................149
Spare Parts & Equipment................................150
Wiring Diagram...............................................151
CONSUMER INFORMATION...................153
Authorized Manuals........................................154
Contacting Honda............................................155
Your Honda Dealer..........................................156
The Honda Rider’s Club (USA only) .............157
TABLE OF CONTENTS..............................158
INDEX............................................................159
QUICK REFERENCE
Contents

Honda CRF250R 2006 Specifications

General

Engine Type	Liquid-cooled single-cylinder four-stroke
Displacement	249 cc
Bore x Stroke	78.0mm x 52.2mm
Compression Ratio	12.9:1
Transmission	5-speed
Ignition	CDI
Final Drive	Chain
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
Front Brake	Single 240 mm disc with twin-piston caliper
Rear Brake	Single 240 mm disc
Front Tire	80/100-21
Rear Tire	100/90-19
Wheelbase	58.5 inches
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustability separated into low-speed (13 positions) and high-speed (3.5 turns)
Fuel System	Carburetion: Keihin FCR 40 mm flat-slide carburetor with throttle position sensor (TPS)