🏷️ Basic Information

Make:

Husqvarna

Model:

WR 250, WR 360, CR 250

Year:

2001-2003

Model Codes:

Specific model codes for WR 250, WR 360, and CR 250 variants within the 2001-2003 production years (e.g., chassis prefixes, engine designations). These would be detailed within the manual.

Generation Identifier:

This manual covers a specific generation of Husqvarna's off-road motorcycles, likely incorporating updates from previous years and representing the technology of the early 2000s.

👋 Introduction

Market Segment:

Performance off-road motorcycles (Enduro/Motocross) popular in the early 2000s.

Competitors:

Competed directly with models from KTM, Yamaha (YZ series), Honda (CR series), Suzuki (RM series), and Kawasaki (KX series) during its production era.

Offroad Performance:

Known for robust 2-stroke power, agile handling, and capable suspension systems, tailored for competitive off-road riding.

Manual Utility:

Provides essential knowledge for owners to maintain and repair their high-performance machines, extending lifespan and preserving value.

📋 Manual Details

Coverage Areas:

Comprehensive repair, maintenance, troubleshooting, and rebuilding for Husqvarna WR 250, WR 360, and CR 250 models.

Page Count:

Hundreds of pages

Manual Type:

Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Detailed coverage of the 2-stroke engines, including top-end (cylinder, piston, rings, cylinder head), bottom-end (crankshaft, connecting rod, bearings, seals), lubrication systems, cooling systems, and exhaust systems.

Fuel System:

Carburetor (Mikuni VM series typically), fuel delivery, fuel tank, fuel petcock, and fuel lines.

Transmission:

Clutch assembly, gearbox internals, gear shift mechanism, transmission oil, and related seals and bearings.

Ignition System:

CDI ignition system, stator, flywheel, spark plug, ignition coil, and wiring.

Suspension:

Front fork (upside-down telescopic, likely WP or Marzocchi components), rear shock absorber (single shock, PDS system likely), linkages, seals, oil levels, and adjustment procedures.

Brakes:

Front and rear hydraulic disc brake systems, including calipers, master cylinders, brake lines, brake pads, brake fluid specifications, bleeding procedures, and rotor specifications.

Electrical System:

Wiring diagrams, lighting (if applicable), kill switch, battery (if electric start model), and basic electrical component testing.

Cooling System:

Liquid cooling system for WR and CR models, including radiator, hoses, coolant specifications, water pump, and thermostat (if applicable).

Chassis And Frame:

Frame construction, steering head bearings, swingarm, linkages, and associated hardware.

Bodywork And Plastics:

Seat, fuel tank, fenders, side panels, and mounting hardware.

Wheels And Tires:

Wheel construction, spokes, hubs, bearings, tire pressures, and specifications.

Routine Maintenance:

Oil changes, filter cleaning/replacement, chain adjustment, spark plug inspection/replacement, air filter service, and lubrication points.

Engine Overhaul:

Complete engine disassembly, inspection, part replacement (pistons, rings, bearings, seals), and reassembly procedures, including torque specifications.

Transmission Repair:

Clutch adjustment and replacement, gearbox disassembly and reassembly, shift drum and fork inspection.

Suspension Servicing:

Fork seal replacement, fork oil level and type, shock absorber servicing (if applicable), and adjustment of suspension settings.

Brake System Maintenance:

Brake pad replacement, caliper servicing, master cylinder overhaul, brake bleeding, and fluid replacement.

Carburetor Tuning:

Disassembly, cleaning, jetting adjustments, idle speed settings, and float level adjustments.

Troubleshooting:

Diagnostic procedures for common issues such as starting problems, poor running, clutch slippage, suspension leaks, and electrical faults.

Wiring Diagrams:

Detailed electrical schematics for the entire motorcycle.

Depth Level:

In-depth, covering everything from basic maintenance to complete engine and chassis rebuilds. Suitable for experienced mechanics and dedicated DIY enthusiasts.

Diagnostic Capabilities:

Advanced diagnostic information for pinpointing mechanical and electrical faults.

Rebuild Procedures:

Detailed step-by-step instructions for rebuilding major components like the engine, transmission, and suspension.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution scans suitable for clear printing, ensuring readability of diagrams and text.

Binding Type:

Not applicable for PDF format (digital delivery)

Paper Type:

Not applicable for PDF format (digital delivery)

Searchable Text:

Likely searchable text within the PDF, allowing for quick access to specific information.

⚙️ Engine Specifications

Engine Type:

2-Stroke, Liquid-Cooled

Displacement:

249cc (WR 250, CR 250), 360cc (WR 360)

Bore X Stroke:

Specific dimensions for each engine size would be detailed in the manual, critical for piston and cylinder selection.

Power Output:

Horsepower and torque figures vary by model and specific tuning, but typically in the range of 40-50+ HP for the 250cc models and higher for the 360cc.

Induction:

Reed valve induction

Ignition:

Electronic CDI

Carburetor Model:

Likely Mikuni VM series (e.g., VM38 for 250cc, VM38/40 for 360cc), with detailed jetting specifications provided.

Fuel Type:

Premium Unleaded Gasoline (with specific octane rating recommendation in manual)

Fuel Oil Mixture:

Pre-mix 2-stroke engine oil, with recommended ratio (e.g., 40:1 or 50:1) specified in the manual.

🔧 Transmission

Transmission Type:

6-Speed Constant Mesh Manual Transmission

Optional Gear Ratios:

Specific gear ratios for each of the 6 gears and final drive would be listed in the manual for different models/years.

Clutch Type:

Hydraulic actuated, multi-plate wet clutch

Transmission Fluid:

Specific gear oil specification (e.g., SAE 10W-30 or similar, likely motorcycle-specific) and capacity detailed in the manual.

📐 Dimensions

Wheelbase:

Specific dimensions for each model variant would be found in the manual.

Seat Height:

Typical for off-road bikes, designed for standing riding posture. Specific height would be in manual.

Ground Clearance:

Designed for off-road obstacles. Specific clearance in manual.

Cargo Capacity:

N/A (Motorcycle)

Dry Weight:

Typically in the range of 220-240 lbs (approx. 100-110 kg) for 250cc models, slightly more for 360cc. Exact figures in manual.

Fuel Tank Capacity:

Approx. 2.5-3.5 gallons (9.5-13 liters), depending on model. Specific capacity in manual.

🛡️ Safety Features

Safety Ratings:

Not applicable in the same way as passenger vehicles; focus is on rider protection and machine reliability.

Braking System:

Powerful hydraulic disc brakes front and rear for controlled stopping.

Suspension Performance:

Advanced suspension designed to maintain tire contact and control over rough terrain.

Frame Integrity:

Strong chromoly steel frame designed for off-road stresses.

Handguards:

Often fitted as standard or common aftermarket accessories for lever protection and rider hand safety.

💡 Technology Features

Infotainment System:

N/A (Pure off-road performance motorcycle)

Rider Aids:

None (focus on rider input and mechanical feedback)

🔧 Maintenance

Oil Change Interval:

Varies by usage; typically every 5-10 hours of riding for transmission oil, depending on conditions. Engine oil not separate in 2-stroke.

Air Filter Cleaning:

Frequent cleaning required, often after every few rides, especially in dusty conditions.

Spark Plug Replacement:

Recommended at regular intervals or when signs of fouling appear, typically every 20-40 hours of use.

Top End Rebuild:

Piston and ring replacement typically recommended every 50-100 hours of aggressive riding, depending on build quality and usage.

Transmission Oil:

SAE 10W-30 or 10W-40 motorcycle gear oil (API GL-4 or GL-5) – specific viscosity and API rating detailed in manual.

Coolant:

Ethylene glycol-based antifreeze coolant with corrosion inhibitors. Recommended mixture ratio (e.g., 50/50 with distilled water) and type will be in manual.

Brake Fluid:

DOT 4 hydraulic brake fluid recommended for most hydraulic systems of this era.

Common Wear Items:

Clutch plates, piston rings, fork seals, wheel bearings, steering head bearings, and exhaust packing are common wear items on performance 2-strokes.

Carburetor Fouling:

Can be prone to gumming up if fuel sits for extended periods; requires periodic cleaning.

Power Valve Maintenance:

The power valve system, if equipped, requires cleaning and proper lubrication to ensure optimal performance.

📚 Vehicle History

Brand Origins:

Husqvarna is one of the oldest motorcycle manufacturers, originating in Sweden with a strong legacy in off-road and enduro racing.

Offroad Development:

The WR and CR lines represent Husqvarna's commitment to producing competitive 2-stroke off-road machines, continually evolving chassis and engine technology.

Production Period:

2001-2003 represents a specific era for these models before further significant design changes or powertrain updates.

🏆 Awards & Recognition

Offroad Reviews:

Models from this era were generally well-regarded in off-road publications for their performance and handling, though specific awards would need to be researched.

Reliability Ratings:

Reliability depends heavily on maintenance. The manual is crucial for ensuring longevity.

Emissions Certification:

Models would have met the emissions standards of their respective production years and regions. Manual may contain relevant details for tuning compliance.