🏷️ Basic Information Identification Make: KTM Model: 250 EXC, 300 EXC, 250 MXC, 300 MXC, 250 SX, 300 SX, 250 SXS, 300 SXS Model Variants: EXC, MXC, SX, SXS (Off-road/Enduro/Motocross) Production Years Covered: 2004, 2005, 2006, 2007, 2008, 2009, 2010 Codes Chassis Codes Implied: Typically model designation followed by year (e.g., EXC 2005), specific chassis codes vary by model variant and may not be explicitly detailed in this manual's title Engine Codes Implied: Two-stroke, single-cylinder, 250cc and 300cc variants. Specific engine codes are detailed within the manual. 👋 Introduction Market Position Target Audience: KTM owners, independent repair shops, enthusiast mechanics Value Proposition: Cost-effective alternative to dealership service, empowering owners for self-maintenance and repair. Competitive Analysis Alternatives: Official KTM service manuals (often more expensive, sometimes only available in print or specific digital formats), third-party repair guides (may lack specificity or accuracy) Key Features Features: Extensive page count, detailed diagrams, troubleshooting sections, maintenance schedules, worldwide delivery, instant download Availability: Digital PDF format ensures immediate access and portability. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Troubleshooting, Technical Specifications for KTM 250/300 EXC/MXC/SX/SXS models (2004-2010) Chapter List: Service Informations, General Information, Removing and Refitting Engine, Disassembling Engine, Servicing Individual Components, Assembling Engine, Electrical, Fuel System, Trouble Shooting, Technical Specifications, Periodic Maintenance Schedule, Wiring Diagrams Page Count Total Pages: 899 Manual Type Type: Service Manual / Repair Manual Purpose: DIY repair, professional workshop reference Language Language: English (Assumed, standard for service manuals unless otherwise specified) Format Format: PDF Ebook Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine: Complete overhaul, disassembly, assembly, component servicing, lubrication, cooling (if applicable, typically air-cooled for these models), exhaust system Fuel System: Carburetor(s) (e.g., Keihin PWK), fuel delivery, jets, throttle control, fuel tank, fuel lines Electrical System: Ignition system (CDI, stator, coil, spark plug), lighting (if equipped), battery (if equipped), charging system, starter motor (if equipped), wiring harness, troubleshooting electrical faults Chassis: Frame inspection, suspension (front forks, rear shock absorber), steering system, wheels, hubs, spokes, brakes (front and rear disc brakes), clutch, cables Bodywork: Plastics, seat, handlebars, fenders, graphics (typically not detailed for repair, but removal/installation procedures are implied) Procedures Included Maintenance: Periodic maintenance schedules, oil changes, filter replacements, spark plug checks, chain adjustments, air filter cleaning/replacement, coolant checks (if liquid-cooled variants exist) Repair: Engine rebuilds, carburetor tuning, suspension fork service, brake caliper overhaul, clutch plate replacement, wheel bearing replacement, steering head bearing service Troubleshooting: Diagnostic procedures for common issues, symptom-based troubleshooting guides, electrical fault finding Disassembly Assembly: Step-by-step instructions for engine, transmission, suspension, and other major components Wiring Diagrams: Detailed electrical schematics for all relevant systems Technical Depth Depth: Comprehensive, covering routine maintenance to complete engine and chassis overhauls. Includes detailed technical specifications and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable if professionally created, enhancing usability. Print Quality Printability: Designed for printing specific pages for workshop use. Binding Type Binding Type: Not Applicable (Digital Product) Paper Type Paper Type: Not Applicable (Digital Product) ⚙️ Engine Specifications Primary Engine Type: Two-stroke, Liquid-Cooled (typically), Single-Cylinder Displacement 250: Approximately 249cc (Exact cc may vary slightly by specific model year/variant) Displacement 300: Approximately 293cc (Exact cc may vary slightly by specific model year/variant) Bore Stroke Implied: Specific dimensions detailed in technical specifications chapter. Power Delivery: Known for strong mid-range and top-end power characteristic of KTM two-strokes. Performance Horsepower Range 250: Estimated 35-45 HP (Subject to specific model variant and tuning) Horsepower Range 300: Estimated 40-50 HP (Subject to specific model variant and tuning) Torque Characteristics: Broad, usable torque across the rev range, particularly strong in the mid-range. Fuel System Carburetor Type: Typically Keihin PWK (e.g., PWK 36/38mm). Specific jetting and settings are critical and detailed in the manual. Fuel Type: Unleaded gasoline with appropriate octane rating (e.g., 95 RON/91 AKI or higher). Premixing of 2-stroke oil with gasoline is required. Oil Mixture: Specific 2-stroke oil and fuel mixture ratio (e.g., 40:1 to 60:1) is critical and detailed in the manual. 🔧 Transmission Standard Type: 6-speed Constant Mesh Manual Transmission Optional Optional Transmissions: None (Standard for these off-road models) Features Clutch Type: Hydraulic Actuated Wet Multi-plate Clutch Gear Ratios: Specific gear ratios for each of the 6 speeds are provided in the technical specifications section. Transmission Oil: Specific gear oil type and viscosity grade (e.g., SAE 75W/90 or similar) and capacity are detailed in the manual. 📐 Dimensions Exterior Frame Type: Chromoly Steel Perimeter Frame Wheelbase: Approx. 1460-1485 mm (varies by model and year, detailed in manual) Ground Clearance: Approx. 350-370 mm (varies by model and year, detailed in manual) Weights Dry Weight: Approximately 105-110 kg (varies by model, detailed in manual) Fuel Tank Capacity: Typically 8.5 - 11 liters (varies by model, detailed in manual) 🛡️ Safety Features Ratings Safety Certification: N/A for off-road use motorcycles; designed for closed-course competition or off-road riding....