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Husqvarna WR 250/2004 User Manual

Husqvarna WR 250/2004
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WR, CR
250/2004
Libretto uso
e manutenzione
Owner’s manual
Livret d’utilisation
et d’entretien
Betriebsanleitung
Manual de uso
y mantenimiento
WR, CR 250/2004

Table of Contents

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Husqvarna WR 250/2004 Specifications

General IconGeneral
Year2004
ManufacturerHusqvarna
ModelWR 250
CategoryMotorcycle
Displacement249 cc
Bore x Stroke66.4 x 72 mm
Compression Ratio12.5:1
Fuel SystemCarburetor
IgnitionElectronic
Cooling SystemLiquid cooled
Transmission6-speed
Final DriveChain
Front SuspensionInverted fork
Front BrakeSingle disc
Rear BrakeSingle disc
Front Tire90/90-21
Rear Tire140/80-18
Engine TypeSingle cylinder, two-stroke
Fuel Capacity9.5 L
Rear SuspensionMono-shock

Summary

WR, CR 250/2004

Specifications, Operation, Maintenance

Identification Data

Details on engine and motorcycle identification numbers.

Technical Data

Specifications for engine, cooling, bore, stroke, capacity, and starting.

Lubrication and Fluids Table

Table detailing recommended lubricants and fluids for engine, transmission, and suspension.

Controls

Description of fuel supply valves and related warnings.

Riding Instructions

Essential pre-ride checks for safe operation, including fluids, controls, brakes, and suspension.

Engine Starting

Procedure for starting cold and warm engines, including starter usage and warnings.

Running-In Procedure

Detailed steps for breaking in a new engine to ensure optimal performance and longevity.

Transmission Oil Change

Procedure for replacing transmission oil, including notes and warnings.

Coolant Level Check

Procedure for checking coolant level, including warnings and notes on cleaning.

Throttle Cable Adjustment

Instructions for adjusting the throttle cable, including warnings.

Idle Speed Adjustment

Procedure for adjusting idle speed, including warnings about exhaust gas.

Clutch Adjustment

Instructions for adjusting clutch cable tension, free play, and lever position.

Clutch Disk Disassembly

Procedure for disassembling clutch disks, including oil draining and cover removal.

Spark Plug Check

How to check spark plug condition, heat range, and electrode gap.

Voltage Regulator (WR)

Location and function of the voltage regulator.

Checking Ignition Spark Advance

Procedure for checking and adjusting ignition timing.

Exhaust Valves "H.T.S."

Description of the H.T.S. exhaust valve system, its operation, and adjustment.

Fork Adjustment (Compression & Extension)

Detailed procedure for adjusting front fork compression and extension.

Air Filter Check and Cleaning

Procedure for checking and cleaning the air filter.

Steering Headset Bearing Adjustment

Instructions for adjusting steering head bearings for safety.

Front Brake Fluid Level and Lever Adjustment

Procedure for adjusting front brake lever and checking fluid level.

Rear Brake Pedal Position Adjustment

Procedure for adjusting rear brake pedal position.

Rear Brake Idle Stroke Adjustment and Fluid Level Check

Procedure for adjusting rear brake idle stroke and checking fluid level.

Suspension Adjustment for Track Conditions

Guidelines for adjusting suspensions based on terrain and riding conditions.

Clutch Adjustment

Instructions for adjusting clutch cable tension and free play.

Chain Adjustment

Procedure for checking chain wear, adjusting tension, and lubrication.

Brake Disc Wear and Warpage

Procedure for measuring brake disc thickness and warpage.

Brake Fluid Change

Procedure for checking and changing brake fluid.

Front Brake System Bleeding

Procedure for bleeding the front brake system.

Rear Brake System Bleeding

Procedure for bleeding the rear brake system.

Exhaust Silencer

Description of silencer function, warnings, and replacement procedure.

Wear Limits

Information on wear limits for engine components.

Piston Ring and Groove Clearance

Procedure for measuring piston ring and groove clearance.

Connecting Rod Small End Assembly

Table of couplings for radial clearance and selection color codes.

Connecting Rod Big End Side Clearance

Wear limits for connecting rod big end side clearance.

Clutch Disks

Description of clutch disks, including wear and thickness checks.

Clutch Housing and Friction Disc Clearance/Wear

Procedure for checking clutch disc distortion and wear.

Clutch Spring

Procedure for measuring clutch spring free length and wear limit.

Compression Ratio Check

Procedure for checking compression ratio, including cylinder-piston fitting.

Carburetor Overhaul, Regulation, and Maintenance

Introduction to carburetor maintenance and adjustment procedures.

Carburetor Adjustment Procedure

Instructions on how to adjust carburetor settings based on conditions.

Jet Changes Based on Altitude and Air Temperature

Guidelines for changing main and idle jets based on altitude and temperature.

Idle Circuit Adjustment

Instructions for adjusting the idle circuit and pilot jet selection.

Main Circuit Adjustment

Instructions for adjusting the main circuit based on conditions.

Main Jets

Table listing main jet sizes and corresponding codes.

Throttle Valve Replacement

Procedure for replacing the throttle valve.

Final Intermediate Circuit Adjustment

Instructions for final adjustment of the intermediate circuit.

Suspension Adjustment for Track Conditions

Guidelines for adjusting suspensions based on terrain conditions.

Wheel Inspection

General information on wheel inspection and deformation limits.

Wheel Spokes and Rim Check

Instructions for checking wheel spokes tension and rim bending.

Ignition and Electrical System (WR / Enduro USA)

Description of the ignition and electrical system components.

Wiring Diagram Key

Key to the wiring diagram, explaining symbols and abbreviations.

CR 250 Electrical System Components

Diagram and legend for the CR 250 electrical system components.

Headlamp Bulb Replacement (WR / Enduro USA)

Procedure for replacing headlamp bulbs.

Rear Tail Light Bulb Replacement (WR)

Procedure for replacing rear tail light bulb.

Headlight Aiming Adjustment

Procedure for adjusting headlight aim.

Special Tools Supplied

List of tools provided with the motorcycle.

Special Tools

List of special tools required for maintenance.

Torque Specifications (General)

Table of general tightening torques for various applications.

Torque Specifications (Specific)

Table of specific tightening torques for various motorcycle parts.

Optional Parts (WR)

List of optional parts available for the WR model.

Optional Parts (CR)

List of optional parts available for the CR model.

Appendix

Post-race check points and motorcycle storage procedures.

Noise Emission Warranty

Warranty information regarding noise emissions and tampering warnings.

Spark Arrester

Description of spark arrester, maintenance, and cleanout instructions.

Pre-Delivery Inspection

Comprehensive checklist of pre-delivery inspection items.

Periodic Maintenance Schedule

Schedule of maintenance tasks with intervals and actions for various parts.

Presentation

Important Notices

Warning*

Indicates possibility of severe personal injury or loss of life.

Caution*

Indicates possibility of personal injury or equipment damage.

Note*

Provides helpful information.

Parts Replacement

Advises using only original Husqvarna parts.

Safety Warnings

Precautions for Children

Safety guidelines for parking the motorcycle and avoiding hazards to children.

Vehicle Identification Number (VIN)

Control Location

Technical Data

Engine Technical Data

Specifications for engine type, cooling, bore, stroke, capacity, and compression ratio.

Valve Gear

Details on valve type and control mechanism.

Distribution

Information on the valve timing system.

Lubrication

Engine Lubrication

Details on engine oil mixture and lubrication during break-in.

Primary Drive Transmission/Gearbox

Information on the oil used for the primary drive and gearbox.

Ignition

Details on ignition type, advance, spark plug, and gap.

Carburetor

Specifications for carburetor type, venturi diameter, jets, and settings.

Primary Drive

Clutch

Details on clutch type (multidisk in oil bath).

Transmission

Details on transmission type and gear ratios.

Secondary Drive

Final Ratios

Table listing the final gear ratios for each speed.

Frame

Front Suspension

Description of front suspension type, adjustment, and travel.

Rear Suspension

Description of rear suspension type and wheel stroke.

Front Brake

Description of front brake type, disc diameter, and control.

Rear Brake

Description of rear brake type, disc diameter, and control.

Rims

Details on front and rear rim specifications.

Tires

Dimensions, Weight, Capacity

Specifications for wheelbase, length, width, height, seat height, and capacities.

Lubrication and Fluids Table

Controls

Fuel Supply Valves

Description of fuel valve positions (OFF, ON, RES) and filter servicing.

Sidestand

Fuel

Starter Control

Digital Instrument and Warning Lights

Instrument Functions

Description of selectable functions: KMH, TRP, AVS, STP, MAX, DST, CLK.

General Remarks / Troubleshooting

Instrument Battery Replacement

Setting Wheel Circumference (WS)

Setting the Clock (CLK)

Setting Total Mileage (DST)

Throttle Control

Front Brake Control

Describes front brake lever location, adjustment, and warnings.

Steering Lock

Handlebar Controls (WR)

Engine Stop Button (CR, WR USA)

Location and function of the engine stop button.

Clutch Control

Rear Brake Control

Gear Shift Control

Kickstart Pedal

Describes the kickstart pedal operation.

Riding Instructions / Pre-Ride Checks

Preliminary Controls

Essential pre-ride checks: fluids, controls, brakes, suspensions, and warnings.

Engine Starting

Important Note in Case of Cold Starts at Low Temperatures

Stopping the Motorcycle

Stopping the Engine

Running-In Procedure

Checks During Running-In

Transmission Oil Level Check

Transmission Oil Change

Coolant Level Check

Throttle Cable Adjustment

Idle Speed Adjustment

Clutch Adjustment

Clutch Disk Disassembly

Spark Plug Check

Voltage Regulator (WR)

Checking Ignition Spark Advance

Exhaust Valves "H.T.S."

Fork Adjustment (Compression & Extension)

Compression

Procedure for adjusting front fork compression.

Extension

Procedure for adjusting front fork extension.

Air Filter Check and Cleaning

Steering Headset Bearing Adjustment

Front Brake Fluid Level and Lever Adjustment

Rear Brake Pedal Position Adjustment

Rear Brake Idle Stroke Adjustment and Fluid Level Check

Suspension Adjustment for Track Conditions

Hard Ground

Suspension settings for hard terrain.

Sandy Ground

Suspension settings for sandy terrain.

Hydraulic Brake Adjustment (Shock Absorber Damping)

Compression

Adjustment of shock absorber compression damping.

Extension

Adjustment of shock absorber extension damping.

Chain Adjustment

Disassembling and Cleaning

Procedure for chain disassembly and cleaning.

Washing the Chain Without OR

Instructions for washing chains without O-rings.

Washing the Chain With OR

Instructions for washing chains with O-rings.

Lubricating the Chain Without OR

Procedure for lubricating chains without O-rings.

Checking Chain, Sprocket, and Chainwheel Wear

Chain Lubrication

Disassembling and Cleaning

Procedure for chain disassembly and cleaning.

Washing the Chain Without OR

Instructions for washing chains without O-rings.

Washing the Chain With OR

Instructions for washing chains with O-rings.

Lubricating the Chain Without OR

Procedure for lubricating chains without O-rings.

Chain Lubrication With ORings

Front Wheel Removal

Notes

Important notes regarding brake lever operation after wheel removal.

Rear Wheel Removal

Notes

Important notes regarding brake pedal operation after wheel removal.

Brakes

Legend

Key to brake system components.

Brake Pad Removal

Caution!

Warning against operating brake lever/pedal during pad removal.

Pads Wear

Instructions for inspecting pads for wear and service limit.

Brake Pad Cleaning and Installation

Front Brake Fluid Drain

Warning!

Warnings about handling brake fluid and potential damage.

Rear Brake Fluid Drain

Warning!

Warnings about handling brake fluid and potential damage.

Brake Disc Wear and Warpage

Disc Cleaning

Brake Fluid Change

Caution!

Warnings about brake fluid type, contamination, and mixing.

Refilling Brake Lines

Front Brake System Bleeding

Rear Brake System Bleeding

Exhaust Silencer

Warning*

Check packing regularly and replace if necessary.

Replacing Muffler Deadening Material

Procedure for replacing the sound-deadening material in the silencer.

Wear Limits

Piston Ring and Groove Clearance

Connecting Rod Small End Assembly

Connecting Rod Big End Side Clearance

Clutch Disks

Clutch Housing and Friction Disc Clearance/Wear

Clutch Spring

Compression Ratio Check

Carburetor Overhaul, Regulation, and Maintenance

Carburetor Adjustment Procedure

Jet Changes Based on Altitude and Air Temperature

Idle Circuit Adjustment

Main Circuit Adjustment

Main Jets

Throttle Valve Replacement

Final Intermediate Circuit Adjustment

Suspension Adjustment for Track Conditions

Sand Track Conditions and Temperature (10-25°C)

Carburetor settings for sandy track at moderate temperatures.

Sand Track Conditions and Temperature Below 10°C (76°F)

Carburetor settings for sandy track at low temperatures.

Sand Track Conditions and Temperature Over 25°C (103°F)

Carburetor settings for sandy track at high temperatures.

Wheel Inspection

Wheel Spokes and Rim Check

Ignition and Electrical System (WR / Enduro USA)

Wiring Diagram Key

CR 250 Electrical System Components

Headlamp Bulb Replacement (WR / Enduro USA)

Rear Tail Light Bulb Replacement (WR)

Headlight Aiming Adjustment

Special Tools Supplied

Special Tools

Torque Specifications (General)

Torque Specifications (Specific)

Optional Parts (WR)

Optional Parts (CR)

Appendix

Post-Race Check Points

Procedures for cleaning and inspecting the motorcycle after a race.

Storage

Preparation steps for storing the motorcycle for extended periods.

Noise Emission Warranty

Tampering Warning

Federal law warning against tampering with noise control systems.

Spark Arrester

Tampering Warning

Pre-Delivery Inspection

Periodic Maintenance Schedule

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