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Honda CRF250R User Manual

Honda CRF250R
183 pages
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Contents
31KRN720 CRF250R MOM 15406 (1504)
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 .................26
Before & After Competition Maintenance .....30
Between Motos & Practice Maintenance.....30
After Competition Maintenance ..................32
Service Preparations
Maintenance Component Locations ...............33
Seat ..................................................................34
Fuel Tank ........................................................35
Subframe .........................................................38
Service Procedures
Fluids & Filters
Fuel System .....................................................40
Engine Oil .......................................................49
Transmission Oil .............................................52
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 ........................77
Chassis
Suspension ...................................................... 87
Brakes ........................................................... 111
Wheels .......................................................... 115
Tires & Tubes ............................................... 116
Drive Chain .................................................. 118
Exhaust Pipe/Muffler .................................... 121
Steering Damper ........................................... 125
Additional Maintenance Procedures ............. 128
Appearance Care .......................................... 130

Table of Contents

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Honda CRF250R Specifications

General IconGeneral
Engine TypeLiquid-cooled single-cylinder four-stroke
Displacement249cc
Bore x Stroke79.0mm x 50.9mm
Compression Ratio13.9:1
StarterElectric
TransmissionClose-ratio 5-speed
Final DriveChain
Front BrakeSingle 260mm disc with twin-piston caliper
Rear BrakeSingle 240mm disc
Front Tire80/100-21
Rear Tire100/90-19
Wheelbase58.3 inches
Seat Height37.8 inches
Ground Clearance13.1 inches
Fuel Capacity1.7 gallons
Valve TrainUnicam OHC, four-valve
InductionProgrammed Fuel Injection (PGM-FI)
Throttle Bore44mm
IgnitionFull transistorized ignition
Front Suspension49mm inverted Showa coil-spring fork with rebound and compression damping adjustability; 12.2 inches travel
Rear SuspensionPro-Link Showa single shock with adjustable spring preload, rebound and compression damping; 12.4 inches travel
Rake27.2°
Trail115mm (4.5 inches)

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