🏷️ Basic Information

Make:

Husqvarna

Model:

WR CR 250/360

Year:

2002

Engine Code Variant 250:

Likely 250cc 2-stroke engine

Engine Code Variant 360:

Likely 360cc 2-stroke engine

👋 Introduction

Market Position:

Targeted towards owners and technicians of Husqvarna WR and CR 250cc and 360cc models from the 2002 model year, particularly those involved in off-road riding (Enduro and Motocross).

Competitive Analysis:

Competes with service manuals for other European and Japanese off-road motorcycles of the same era, such as KTM EXC/MXC, Yamaha YZ/WR, Honda CR/CRF, and Suzuki RM/RMX models. The Husqvarna brand has a strong heritage in off-road racing, making specialized technical documentation crucial for maintenance and performance.

Key Features:

Comprehensive system coverage, detailed diagnostic procedures, clear illustrations and diagrams, essential for maintaining peak performance and reliability of the Husqvarna WR CR 250/360.

📋 Manual Details

Coverage Areas:

General Information, Fuel System, Cooling System, Engine Top End, Clutch/Gearshift Linkage, Engine Removal/Installation, Crankshaft/Transmission, Disassembling the Engine, Wheels/Tires, Final Drive, Technical Specifications, Wiring Diagrams, Brakes System, Maintenance, Adjustment/Disassembly, Electric Starter, Lights/Meters/Switches, Troubleshooting, Rear Cover/Suspension/Steering, Frame/Body Panels, Lubrication System, Electrical System, Appendix

Page Count:

Estimated 200-400 pages (typical for comprehensive workshop manuals)

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Systems Covered:

Engine (internal components, top end, crankshaft, transmission), Fuel System (carburetion, fuel delivery), Cooling System (radiator, hoses, water pump), Clutch and Gearshift Linkage, Drivetrain (final drive, chain/sprocket), Wheels and Tires, Brakes (hydraulic system, pads, calipers), Electrical System (wiring diagrams, lighting, ignition, starting system), Suspension (rear shock, forks), Steering, Frame and Body Panels, Lubrication System

Procedures Included:

Engine disassembly and reassembly, routine maintenance (oil changes, filter replacements, chain adjustments), component troubleshooting and repair, carburetor tuning, suspension adjustments and servicing, brake bleeding and pad replacement, electrical system diagnostics, wheel and tire service, chassis lubrication, engine performance tuning (potentially), and general repair procedures

Technical Depth:

Comprehensive. Covers from basic maintenance and adjustments to full engine rebuilds, detailed troubleshooting, and electrical system diagnostics. Suitable for both home mechanics and professional technicians.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution, printable pages

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine:

2-stroke, liquid-cooled, single-cylinder (250cc and 360cc variants)

Bore Stroke 250:

Specific values would be detailed in the manual, but typically around 68mm bore x 68mm stroke for 250cc.

Bore Stroke 360:

Specific values would be detailed in the manual, but likely a larger bore or longer stroke than the 250cc variant, around 70mm bore x 80mm stroke for 360cc.

Power Output Estimated:

Approximately 40-50+ HP depending on model and tuning

Torque Estimated:

Specific values would be detailed in the manual

Fuel System:

Carburetor (likely Keihin or Mikuni, specific model and jetting detailed in manual)

Fuel Type:

Unleaded gasoline with 2-stroke oil premix

Premix Ratio:

Typically 32:1 or 40:1, specified in manual

Carburetor Diameter 250:

Likely 36-38mm

Carburetor Diameter 360:

Likely 38-40mm

🔧 Transmission

Transmission Type:

6-speed constant mesh

Clutch Type:

Wet, multi-plate

Gear Ratios:

Specific gear ratios for each speed would be detailed in the manual.

Transmission Oil Type:

Specific motorcycle transmission oil specification (e.g., SAE 75W/80 or 10W/40 motorcycle specific) would be listed in the manual.

Transmission Oil Capacity:

Specific capacity would be detailed in the manual, typically around 0.6 - 1.0 liters.

📐 Dimensions

Wheelbase Estimated:

Approximately 1440-1470 mm

Seat Height Estimated:

Approximately 950-970 mm

Dry Weight Estimated 250:

Approximately 98-105 kg

Dry Weight Estimated 360:

Approximately 100-108 kg

Fuel Tank Capacity:

Typically around 8-10 liters

🛡️ Safety Features

Safety Ratings:

N/A for off-road motorcycles of this era.

Active Features:

Powerful braking system (disc brakes front and rear), responsive suspension, agile handling.

Passive Features:

Sturdy frame construction, protective body panels.

💡 Technology Features

Infotainment:

Not applicable for this off-road model.

Driver Assistance:

Not applicable for this off-road model.

Connectivity:

Not applicable for this off-road model.

Lighting System:

Includes headlight, taillight, and potentially stoplight functionality. Wiring diagrams are crucial for troubleshooting.

Starting System:

Kick-start mechanism, with potential for an electric starter on some variants (though less common for this era's performance off-road bikes).

🔧 Maintenance

Service Intervals:

Intervals for oil changes, spark plug replacement, air filter cleaning/replacement, chain and sprocket wear, and piston ring inspection would be detailed in the manual. These typically range from frequent checks for off-road use to more extended periods for major component overhauls.

Engine Oil Type:

2-stroke engine oil, specific API/JASO rating and viscosity grade (e.g., JASO FD) would be specified.

Coolant Type:

Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water.

Brake Fluid Type:

DOT 4 hydraulic brake fluid.

Known Issues:

Common 2-stroke issues can include piston/ring wear, crank seal leaks, carburetor jetting sensitivity to altitude/temperature, clutch wear, and occasional electrical gremlins. Specific known issues for this model year would be a key benefit of using this manual.

Carburetor Cleaning:

Frequent cleaning and proper jetting are essential for optimal performance of 2-stroke engines.

Suspension Servicing:

Regular fork seal replacement and shock oil changes are critical for maintaining ride quality and control.

Cooling System Maintenance:

Ensuring the cooling system is free of debris and the correct coolant mixture is maintained prevents overheating, crucial for 2-stroke engines.

📚 Vehicle History

Brand Heritage:

Husqvarna is one of the oldest motorcycle manufacturers in the world, founded in Sweden in 1689. It has a long and successful history in off-road racing, including motocross and enduro.

Model Evolution:

The WR (Wide Ratio) and CR (Competition) series have been staples of Husqvarna's off-road lineup for decades, evolving through various engine sizes and chassis designs. The 2002 models represent a period of refinement and competition against other leading off-road brands.

Production Period:

The WR CR 250/360 models were produced throughout the late 1990s and early 2000s, with continuous updates. The 2002 model year falls within this significant production run.

🏆 Awards & Recognition

Recognitions:

Specific awards for the 2002 WR CR 250/360 are not readily available, but Husqvarna as a brand has a strong reputation in off-road motorsports.