This manual covers the CR 125 and WR 125 models from 2007, belonging to the Third Generation (2005-2007). These lightweight, agile, and powerful 125cc two-stroke off-road motorcycles are renowned for their performance in Motocross and Enduro disciplines. Engineered for competition, bikes of this era are known for their robust construction and spirited performance, making them a popular choice for riders seeking a competitive edge. The brand's rich heritage, dating back to 1903 in motorcycle production, underscores a commitment to off-road excellence and racing success. This comprehensive workshop service repair manual in English provides detailed information for maintaining and repairing your CR 125 or WR 125. It covers all major systems, including engine overhaul, transmission, chassis and suspension, brakes, electrical systems, and fuel systems. Within its pages, you will find step-by-step repair procedures, routine maintenance schedules, troubleshooting guides, and essential technical specifications such as torque values and fluid types. This resource is invaluable for owners and technicians aiming to keep these performance-oriented machines in optimal condition. 🏷️ Basic Information Identification Make: Husqvarna Model: WR 125 Year: 2007 Generation Model Generation: Third Generation (2005-2007) Codes Vin Code Engine: Typically starts with 'HT' followed by specific model/engine codes 👋 Introduction Market Position Segment: Off-road competition motorcycles (Motocross/Enduro variants) Target Audience: Husqvarna CR 125 and WR 125 owners, mechanics, and enthusiasts performing maintenance, repairs, and diagnostics. Competitive Analysis Competitors: KTM 125 SX/EXC, Yamaha YZ125, Honda CR125R, Suzuki RM125, Kawasaki KX125. Key Features Vehicle Focus: Lightweight, agile, and powerful 125cc two-stroke off-road motorcycles known for performance in their respective disciplines (CR for Motocross, WR for Enduro). Manual Value Proposition: Provides OEM-level technical data, repair procedures, and troubleshooting guidance, crucial for maintaining and restoring these specialized machines. 📋 Manual Details Coverage Areas Regions Covered: Global (OEM specifications) Page Count Estimated Pages: 300-450 (estimated based on typical workshop manuals for this type of vehicle) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, top-end rebuild (cylinder, piston, head), bottom-end rebuild (crankshaft, connecting rod, bearings), valve timing, lubrication system, cooling system (if applicable to specific model variant). Transmission: Gearbox disassembly and reassembly, clutch operation and adjustment, gear selection mechanism, lubrication. Chassis And Suspension: Front fork service (oil changes, seal replacement, disassembly), rear shock absorber service, swingarm removal and installation, linkage maintenance, steering head bearing service. Brakes: Hydraulic brake system diagnosis and repair, caliper service, master cylinder overhaul, bleeding procedures, pad and rotor replacement. Electrical System: Wiring diagrams, component testing (ignition, stator, rectifier/regulator, lighting), battery maintenance, troubleshooting common electrical faults. Fuel System: Carburetor disassembly, cleaning, and adjustment (e.g., Mikuni VM series common on these models), fuel tank maintenance, fuel line inspection. Cooling System: Radiator inspection and cleaning, coolant replacement procedures, thermostat testing (if equipped). Exhaust System: Exhaust pipe removal and installation, silencer packing replacement (if applicable). Bodywork And Trim: Fairing removal and installation, seat maintenance, fender inspection. Procedures Included Maintenance: Routine checks, lubrication points, filter replacements, spark plug replacement, chain adjustment, pre-ride inspections. Troubleshooting: Diagnostic flowcharts for common performance issues, starting problems, electrical faults, and mechanical noises. Repair: Step-by-step instructions for component disassembly, repair, and reassembly for all major vehicle systems. Specifications: Torque specifications for critical fasteners, engine clearances, fluid capacities, electrical resistance values. Assembly Disassembly: Detailed illustrations and instructions for taking apart and putting back together all major components and systems. Technical Depth Depth: Comprehensive from basic owner maintenance to complete engine and gearbox rebuilds. Includes detailed diagnostic procedures. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Scan Resolution: High-resolution scans suitable for clear viewing of text and diagrams (typical for quality workshop manuals). Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Searchability Text Searchability: Likely text-searchable PDF for efficient information retrieval. ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, two-stroke, single-cylinder Displacement: 124.8 cc (approximately) Bore X Stroke: Typically 54.0 mm x 54.5 mm (verify with manual for exact spec) Compression Ratio: Around 8.5:1 to 9.0:1 (verify with manual) Cylinder Head: Desmodromic valve system (common in some Husqvarna models of this era, but 2-stroke typically has port timing, not valves. Clarification needed from actual manual, but two-stroke power valve is a key feature). Power Valve System: HPP (Husqvarna Power Port) or similar electronically or mechanically controlled exhaust port timing system for improved low-end and mid-range power delivery. Performance Horsepower Estimate: Approx. 30-35 HP at the crankshaft (estimated, peak power varies with tuning and model variant) Torque Estimate: Approx. 20-23 Nm (estimated) Fuel System Carburetor: Mikuni VM38 or similar 38mm flat-slide carburetor (common specification). Fuel Type: Unleaded gasoline with appropriate two-stroke oil pre-mix (e.g., 50:1 or 40:1 ratio depending on oil quality and engine condition). Ignition System: Digital CDI (Capacitor Discharge Ignition) Lubrication Lubrication Type: Pre-mix in fuel tank OR separate oil injection system...