This manual covers the WR 250-360 and CR 250 models from 1999. These performance off-road motorcycles, built upon Swedish engineering heritage, are known for their two-stroke engines and competitive capabilities in motocross and enduro riding. The WR models feature air-cooled engines, while the CR variants utilize liquid-cooled systems, both designed for robust performance. With a focus on a high-performance chassis, these machines offer riders a direct connection to the terrain, embodying a long-standing commitment to off-road excellence. This Factory Service Manual in English provides comprehensive workshop repair information. It details procedures for engine overhaul, transmission maintenance, chassis component service, brake system repairs, and electrical system troubleshooting, including wiring diagrams. The manual includes routine maintenance tasks, advanced diagnostic flowcharts, detailed repair instructions, and rebuild procedures with critical torque specifications. It is an essential resource for owners and technicians seeking to maintain, diagnose, and repair these motorcycles, ensuring optimal performance and longevity. 🏷️ Basic Information Identification Make: Husqvarna Model: WR 250-360 CR 250 Year: 1999 👋 Introduction Market Position Segment: Performance Off-Road Motorcycle (Enduro/Motocross) Competitive Analysis Key Competitors: KTM EXC/MXC, Yamaha YZ, Honda CR, Suzuki RM, Kawasaki KX. Key Features Vehicle Platform: Two-stroke, liquid-cooled (for CR), air-cooled (for WR), high-performance off-road chassis. 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service Repair Page Count Estimated Pages: 300+ Manual Type Type: OEM Factory Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Comprehensive engine overhaul, top-end, bottom-end, carburetor, ignition, cooling (air-cooled). Transmission: Gearbox disassembly, inspection, repair, lubrication, clutch service. Chassis: Frame, suspension (front forks, rear shock), steering, swingarm, bearings. Brakes: Hydraulic brake system (front and rear calipers, master cylinders, lines, bleeding). Electrical: Wiring diagrams, lighting system, ignition system troubleshooting, stator, CDI unit. Fuel System: Carburetor disassembly, cleaning, adjustment, fuel tank, petcock. Exhaust: Exhaust system components, pipe packing, spark arrestor. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, chain adjustment, air filter cleaning. Troubleshooting: Diagnostic flowcharts for common performance issues, starting problems, electrical faults. Repair: Detailed step-by-step repair instructions for all major components and systems. Rebuilds: Complete engine and transmission rebuild procedures, including torque specifications and tolerances. Adjustments: Carburetor jetting and mixture adjustments, clutch lever free play, chain slack. Suspension Setup: Basic suspension adjustments, fork oil level and type, rear shock adjustment. Wheel Service: Tire removal/installation, wheel balancing, spoke tensioning. Bodywork Repair: Fender removal/installation, seat, fuel tank, side panels, graphics. Technical Depth Diagnostic Capability: Advanced diagnostic procedures for identifying root causes of mechanical and electrical failures. Rebuild Complexity: Suitable for comprehensive engine and gearbox rebuilds, including piston, ring, crank, and bearing replacement. Special Tools: Lists and descriptions of specialized tools required for specific repair and maintenance tasks. Torque Specifications: Extensive list of critical torque values for engine, transmission, chassis, and fasteners. Diagnostic Charts: Detailed flowcharts for troubleshooting common starting, running, and electrical issues. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Readability: High-resolution, searchable text and clear diagrams. Binding Type Digital Binding: N/A (Downloadable) Paper Type Digital Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder Cooling System: Air-cooled (WR250/360), Liquid-cooled (CR250) Bore Stroke 250: Approx. 68mm x 68.8mm Bore Stroke 360: Approx. 76mm x 79mm Reed Valve System: Standard Performance Horsepower Estimate 250: Approx. 40-45 HP Horsepower Estimate 360: Approx. 45-50 HP Fuel System Carburetor Size 250: Mikuni TMX38 or similar Carburetor Size 360: Mikuni TMX38 or similar Fuel Type: Premium Unleaded Gasoline Ignition Ignition Type: CDI (Capacitor Discharge Ignition) Lubrication Premix Ratio: Typically 30:1 to 50:1 (refer to manual for specific recommendations) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh sequential Optional Clutch Type: Wet, multi-plate, hydraulic actuation Features Gearbox Oil: Dedicated gearbox oil (e.g., SAE 75W/90, refer to manual for specifics). 📐 Dimensions Exterior Wheelbase: Approx. 1450 mm (57.1 in) Seat Height: Approx. 950 mm (37.4 in) Weights Dry Weight 250: Approx. 105 kg (231 lbs) Dry Weight 360: Approx. 108 kg (238 lbs) 🛡️ Safety Features Ratings Safety Certification: N/A (Off-road vehicle, not intended for road use, no DOT/NHTSA ratings) Active Features Braking System: Hydraulic disc brakes front and rear. Passive Features Frame Construction: Chromoly steel frame for rigidity and impact resistance. 💡 Technology Features Infotainment Display Features: Basic analog instrumentation (speedometer, tachometer, basic indicator lights). Driver Assistance Assistance Systems: N/A (Mechanical systems only). Connectivity Connection Options: N/A 🔧 Maintenance Service Intervals Top End Rebuild: Variable, dependent on usage; often recommended every 50-100 hours of hard riding. Transmission Oil Change: Every 15-20 hours or as specified in manual. Air Filter Cleaning: After every few rides, or more frequently in dusty conditions. Fluid Specifications Engine Oil Type: 2-stroke premix oil (e.g., Motul 800, Castrol TTS, or equivalent). Gearbox Oil Grade: SAE 75W/90 or 80W/90 GL-3/GL-4 gear oil (specific recommendation in manual). Coolant Type: Ethylene Glycol based antifreeze with corrosion inhibitors (for CR models). Known Issues Clutch Wear:...